Merge branch 'topic/ca0106' into to-push

include/sound/core.h

@@ -353,7 +353,7 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
  * snd_printk - printk wrapper
  * @fmt: format string
  *
- * Works like print() but prints the file and the line of the caller
+ * Works like printk() but prints the file and the line of the caller
  * when configured with CONFIG_SND_VERBOSE_PRINTK.
  */
 #define snd_printk(fmt, args...) \
@@ -380,18 +380,40 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
 	printk(fmt ,##args)
 #endif
 
+/**
+ * snd_BUG - give a BUG warning message and stack trace
+ *
+ * Calls WARN() if CONFIG_SND_DEBUG is set.
+ * Ignored when CONFIG_SND_DEBUG is not set.
+ */
 #define snd_BUG()		WARN(1, "BUG?\n")
+
+/**
+ * snd_BUG_ON - debugging check macro
+ * @cond: condition to evaluate
+ *
+ * When CONFIG_SND_DEBUG is set, this macro evaluates the given condition,
+ * and call WARN() and returns the value if it's non-zero.
+ * 
+ * When CONFIG_SND_DEBUG is not set, this just returns zero, and the given
+ * condition is ignored.
+ *
+ * NOTE: the argument won't be evaluated at all when CONFIG_SND_DEBUG=n.
+ * Thus, don't put any statement that influences on the code behavior,
+ * such as pre/post increment, to the argument of this macro.
+ * If you want to evaluate and give a warning, use standard WARN_ON().
+ */
 #define snd_BUG_ON(cond)	WARN((cond), "BUG? (%s)\n", __stringify(cond))
 
 #else /* !CONFIG_SND_DEBUG */
 
 #define snd_printd(fmt, args...)	do { } while (0)
 #define snd_BUG()			do { } while (0)
-static inline int __snd_bug_on(void)
+static inline int __snd_bug_on(int cond)
 {
 	return 0;
 }
-#define snd_BUG_ON(cond)		__snd_bug_on()  /* always false */
+#define snd_BUG_ON(cond)	__snd_bug_on(0 && (cond))  /* always false */
 
 #endif /* CONFIG_SND_DEBUG */
 

include/sound/version.h

@@ -1,3 +1,3 @@
 /* include/version.h */
-#define CONFIG_SND_VERSION "1.0.18rc3"
+#define CONFIG_SND_VERSION "1.0.18a"
 #define CONFIG_SND_DATE ""

sound/ac97_bus.c

@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/string.h>
+#include <sound/ac97_codec.h>
 
 /*
  * Let drivers decide whether they want to support given codec from their

sound/core/device.c

@@ -98,7 +98,7 @@ int snd_device_free(struct snd_card *card, void *device_data)
 		kfree(dev);
 		return 0;
 	}
-	snd_printd("device free %p (from %p), not found\n", device_data,
+	snd_printd("device free %p (from %pF), not found\n", device_data,
 		   __builtin_return_address(0));
 	return -ENXIO;
 }
@@ -135,7 +135,7 @@ int snd_device_disconnect(struct snd_card *card, void *device_data)
 		}
 		return 0;
 	}
-	snd_printd("device disconnect %p (from %p), not found\n", device_data,
+	snd_printd("device disconnect %p (from %pF), not found\n", device_data,
 		   __builtin_return_address(0));
 	return -ENXIO;
 }

sound/drivers/Kconfig

@@ -163,7 +163,7 @@ config SND_ML403_AC97CR
 
 config SND_AC97_POWER_SAVE
 	bool "AC97 Power-Saving Mode"
-	depends on SND_AC97_CODEC && EXPERIMENTAL
+	depends on SND_AC97_CODEC
 	default n
 	help
 	  Say Y here to enable the aggressive power-saving support of

sound/drivers/pcsp/pcsp.c

@@ -96,7 +96,7 @@ static int __devinit snd_card_pcsp_probe(int devnum, struct device *dev)
 		return -EINVAL;
 
 	hrtimer_init(&pcsp_chip.timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	pcsp_chip.timer.cb_mode = HRTIMER_CB_SOFTIRQ;
+	pcsp_chip.timer.cb_mode = HRTIMER_CB_IRQSAFE_UNLOCKED;
 	pcsp_chip.timer.function = pcsp_do_timer;
 
 	card = snd_card_new(index, id, THIS_MODULE, 0);
@@ -188,10 +188,8 @@ static int __devexit pcsp_remove(struct platform_device *dev)
 
 static void pcsp_stop_beep(struct snd_pcsp *chip)
 {
-	spin_lock_irq(&chip->substream_lock);
-	if (!chip->playback_substream)
-		pcspkr_stop_sound();
-	spin_unlock_irq(&chip->substream_lock);
+	pcsp_sync_stop(chip);
+	pcspkr_stop_sound();
 }
 
 #ifdef CONFIG_PM

sound/drivers/pcsp/pcsp.h

@@ -62,6 +62,8 @@ struct snd_pcsp {
 	unsigned short port, irq, dma;
 	spinlock_t substream_lock;
 	struct snd_pcm_substream *playback_substream;
+	unsigned int fmt_size;
+	unsigned int is_signed;
 	size_t playback_ptr;
 	size_t period_ptr;
 	atomic_t timer_active;
@@ -77,6 +79,7 @@ struct snd_pcsp {
 extern struct snd_pcsp pcsp_chip;
 
 extern enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle);
+extern void pcsp_sync_stop(struct snd_pcsp *chip);
 
 extern int snd_pcsp_new_pcm(struct snd_pcsp *chip);
 extern int snd_pcsp_new_mixer(struct snd_pcsp *chip);

sound/drivers/pcsp/pcsp_lib.c

@@ -8,6 +8,7 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
+#include <linux/interrupt.h>
 #include <sound/pcm.h>
 #include <asm/io.h>
 #include "pcsp.h"
@@ -19,61 +20,57 @@ MODULE_PARM_DESC(nforce_wa, "Apply NForce chipset workaround "
 
 #define DMIX_WANTS_S16	1
 
-enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
+/*
+ * Call snd_pcm_period_elapsed in a tasklet
+ * This avoids spinlock messes and long-running irq contexts
+ */
+static void pcsp_call_pcm_elapsed(unsigned long priv)
+{
+	if (atomic_read(&pcsp_chip.timer_active)) {
+		struct snd_pcm_substream *substream;
+		substream = pcsp_chip.playback_substream;
+		if (substream)
+			snd_pcm_period_elapsed(substream);
+	}
+}
+
+static DECLARE_TASKLET(pcsp_pcm_tasklet, pcsp_call_pcm_elapsed, 0);
+
+/* write the port and returns the next expire time in ns;
+ * called at the trigger-start and in hrtimer callback
+ */
+static unsigned long pcsp_timer_update(struct hrtimer *handle)
 {
 	unsigned char timer_cnt, val;
-	int fmt_size, periods_elapsed;
 	u64 ns;
-	size_t period_bytes, buffer_bytes;
 	struct snd_pcm_substream *substream;
 	struct snd_pcm_runtime *runtime;
 	struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer);
+	unsigned long flags;
 
 	if (chip->thalf) {
 		outb(chip->val61, 0x61);
 		chip->thalf = 0;
 		if (!atomic_read(&chip->timer_active))
-			return HRTIMER_NORESTART;
-		hrtimer_forward(&chip->timer, hrtimer_get_expires(&chip->timer),
-				ktime_set(0, chip->ns_rem));
-		return HRTIMER_RESTART;
+			return 0;
+		return chip->ns_rem;
 	}
 
-	spin_lock_irq(&chip->substream_lock);
-	/* Takashi Iwai says regarding this extra lock:
-
-	If the irq handler handles some data on the DMA buffer, it should
-	do snd_pcm_stream_lock().
-	That protects basically against all races among PCM callbacks, yes.
-	However, there are two remaining issues:
-	1. The substream pointer you try to lock isn't protected _before_
-	  this lock yet.
-	2. snd_pcm_period_elapsed() itself acquires the lock.
-	The requirement of another lock is because of 1.  When you get
-	chip->playback_substream, it's not protected.
-	Keeping this lock while snd_pcm_period_elapsed() assures the substream
-	is still protected (at least, not released).  And the other status is
-	handled properly inside snd_pcm_stream_lock() in
-	snd_pcm_period_elapsed().
-
-	*/
-	if (!chip->playback_substream)
-		goto exit_nr_unlock1;
-	substream = chip->playback_substream;
-	snd_pcm_stream_lock(substream);
 	if (!atomic_read(&chip->timer_active))
-		goto exit_nr_unlock2;
+		return 0;
+	substream = chip->playback_substream;
+	if (!substream)
+		return 0;
 
 	runtime = substream->runtime;
-	fmt_size = snd_pcm_format_physical_width(runtime->format) >> 3;
 	/* assume it is mono! */
-	val = runtime->dma_area[chip->playback_ptr + fmt_size - 1];
-	if (snd_pcm_format_signed(runtime->format))
+	val = runtime->dma_area[chip->playback_ptr + chip->fmt_size - 1];
+	if (chip->is_signed)
 		val ^= 0x80;
 	timer_cnt = val * CUR_DIV() / 256;
 
 	if (timer_cnt && chip->enable) {
-		spin_lock(&i8253_lock);
+		spin_lock_irqsave(&i8253_lock, flags);
 		if (!nforce_wa) {
 			outb_p(chip->val61, 0x61);
 			outb_p(timer_cnt, 0x42);
@@ -82,12 +79,39 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
 			outb(chip->val61 ^ 2, 0x61);
 			chip->thalf = 1;
 		}
-		spin_unlock(&i8253_lock);
+		spin_unlock_irqrestore(&i8253_lock, flags);
 	}
 
+	chip->ns_rem = PCSP_PERIOD_NS();
+	ns = (chip->thalf ? PCSP_CALC_NS(timer_cnt) : chip->ns_rem);
+	chip->ns_rem -= ns;
+	return ns;
+}
+
+enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
+{
+	struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer);
+	struct snd_pcm_substream *substream;
+	int periods_elapsed, pointer_update;
+	size_t period_bytes, buffer_bytes;
+	unsigned long ns;
+	unsigned long flags;
+
+	pointer_update = !chip->thalf;
+	ns = pcsp_timer_update(handle);
+	if (!ns)
+		return HRTIMER_NORESTART;
+
+	/* update the playback position */
+	substream = chip->playback_substream;
+	if (!substream)
+		return HRTIMER_NORESTART;
+
 	period_bytes = snd_pcm_lib_period_bytes(substream);
 	buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
-	chip->playback_ptr += PCSP_INDEX_INC() * fmt_size;
+
+	spin_lock_irqsave(&chip->substream_lock, flags);
+	chip->playback_ptr += PCSP_INDEX_INC() * chip->fmt_size;
 	periods_elapsed = chip->playback_ptr - chip->period_ptr;
 	if (periods_elapsed < 0) {
 #if PCSP_DEBUG
@@ -102,41 +126,30 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
 	 * or ALSA will BUG on us. */
 	chip->playback_ptr %= buffer_bytes;
 
-	snd_pcm_stream_unlock(substream);
-
 	if (periods_elapsed) {
-		snd_pcm_period_elapsed(substream);
 		chip->period_ptr += periods_elapsed * period_bytes;
 		chip->period_ptr %= buffer_bytes;
 	}
+	spin_unlock_irqrestore(&chip->substream_lock, flags);
 
-	spin_unlock_irq(&chip->substream_lock);
+	if (periods_elapsed)
+		tasklet_schedule(&pcsp_pcm_tasklet);
 
-	if (!atomic_read(&chip->timer_active))
-		return HRTIMER_NORESTART;
+	hrtimer_forward(handle, hrtimer_get_expires(handle), ns_to_ktime(ns));
 
-	chip->ns_rem = PCSP_PERIOD_NS();
-	ns = (chip->thalf ? PCSP_CALC_NS(timer_cnt) : chip->ns_rem);
-	chip->ns_rem -= ns;
-	hrtimer_forward(&chip->timer, hrtimer_get_expires(&chip->timer),
-							ktime_set(0, ns));
 	return HRTIMER_RESTART;
-
-exit_nr_unlock2:
-	snd_pcm_stream_unlock(substream);
-exit_nr_unlock1:
-	spin_unlock_irq(&chip->substream_lock);
-	return HRTIMER_NORESTART;
 }
 
-static void pcsp_start_playing(struct snd_pcsp *chip)
+static int pcsp_start_playing(struct snd_pcsp *chip)
 {
+	unsigned long ns;
+
 #if PCSP_DEBUG
 	printk(KERN_INFO "PCSP: start_playing called\n");
 #endif
 	if (atomic_read(&chip->timer_active)) {
 		printk(KERN_ERR "PCSP: Timer already active\n");
-		return;
+		return -EIO;
 	}
 
 	spin_lock(&i8253_lock);
@@ -146,7 +159,12 @@ static void pcsp_start_playing(struct snd_pcsp *chip)
 	atomic_set(&chip->timer_active, 1);
 	chip->thalf = 0;
 
-	hrtimer_start(&pcsp_chip.timer, ktime_set(0, 0), HRTIMER_MODE_REL);
+	ns = pcsp_timer_update(&pcsp_chip.timer);
+	if (!ns)
+		return -EIO;
+
+	hrtimer_start(&pcsp_chip.timer, ktime_set(0, ns), HRTIMER_MODE_REL);
+	return 0;
 }
 
 static void pcsp_stop_playing(struct snd_pcsp *chip)
@@ -165,26 +183,35 @@ static void pcsp_stop_playing(struct snd_pcsp *chip)
 	spin_unlock(&i8253_lock);
 }
 
+/*
+ * Force to stop and sync the stream
+ */
+void pcsp_sync_stop(struct snd_pcsp *chip)
+{
+	local_irq_disable();
+	pcsp_stop_playing(chip);
+	local_irq_enable();
+	hrtimer_cancel(&chip->timer);
+	tasklet_kill(&pcsp_pcm_tasklet);
+}
+
 static int snd_pcsp_playback_close(struct snd_pcm_substream *substream)
 {
 	struct snd_pcsp *chip = snd_pcm_substream_chip(substream);
 #if PCSP_DEBUG
 	printk(KERN_INFO "PCSP: close called\n");
 #endif
-	if (atomic_read(&chip->timer_active)) {
-		printk(KERN_ERR "PCSP: timer still active\n");
-		pcsp_stop_playing(chip);
-	}
-	spin_lock_irq(&chip->substream_lock);
+	pcsp_sync_stop(chip);
 	chip->playback_substream = NULL;
-	spin_unlock_irq(&chip->substream_lock);
 	return 0;
 }
 
 static int snd_pcsp_playback_hw_params(struct snd_pcm_substream *substream,
 				       struct snd_pcm_hw_params *hw_params)
 {
+	struct snd_pcsp *chip = snd_pcm_substream_chip(substream);
 	int err;
+	pcsp_sync_stop(chip);
 	err = snd_pcm_lib_malloc_pages(substream,
 				      params_buffer_bytes(hw_params));
 	if (err < 0)
@@ -194,9 +221,11 @@ static int snd_pcsp_playback_hw_params(struct snd_pcm_substream *substream,
 
 static int snd_pcsp_playback_hw_free(struct snd_pcm_substream *substream)
 {
+	struct snd_pcsp *chip = snd_pcm_substream_chip(substream);
 #if PCSP_DEBUG
 	printk(KERN_INFO "PCSP: hw_free called\n");
 #endif
+	pcsp_sync_stop(chip);
 	return snd_pcm_lib_free_pages(substream);
 }
 
@@ -212,8 +241,12 @@ static int snd_pcsp_playback_prepare(struct snd_pcm_substream *substream)
 			snd_pcm_lib_period_bytes(substream),
 			substream->runtime->periods);
 #endif
+	pcsp_sync_stop(chip);
 	chip->playback_ptr = 0;
 	chip->period_ptr = 0;
+	chip->fmt_size =
+		snd_pcm_format_physical_width(substream->runtime->format) >> 3;
+	chip->is_signed = snd_pcm_format_signed(substream->runtime->format);
 	return 0;
 }
 
@@ -226,8 +259,7 @@ static int snd_pcsp_trigger(struct snd_pcm_substream *substream, int cmd)
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
 	case SNDRV_PCM_TRIGGER_RESUME:
-		pcsp_start_playing(chip);
-		break;
+		return pcsp_start_playing(chip);
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 		pcsp_stop_playing(chip);
@@ -242,7 +274,11 @@ static snd_pcm_uframes_t snd_pcsp_playback_pointer(struct snd_pcm_substream
 						   *substream)
 {
 	struct snd_pcsp *chip = snd_pcm_substream_chip(substream);
-	return bytes_to_frames(substream->runtime, chip->playback_ptr);
+	unsigned int pos;
+	spin_lock(&chip->substream_lock);
+	pos = chip->playback_ptr;
+	spin_unlock(&chip->substream_lock);
+	return bytes_to_frames(substream->runtime, pos);
 }
 
 static struct snd_pcm_hardware snd_pcsp_playback = {
@@ -279,9 +315,7 @@ static int snd_pcsp_playback_open(struct snd_pcm_substream *substream)
 		return -EBUSY;
 	}
 	runtime->hw = snd_pcsp_playback;
-	spin_lock_irq(&chip->substream_lock);
 	chip->playback_substream = substream;
-	spin_unlock_irq(&chip->substream_lock);
 	return 0;
 }
 

sound/isa/sb/sb8.c

@@ -140,8 +140,10 @@ static int __devinit snd_sb8_probe(struct device *pdev, unsigned int dev)
 				break;
 			}
 		}
-		if (i >= ARRAY_SIZE(possible_ports))
+		if (i >= ARRAY_SIZE(possible_ports)) {
+			err = -EINVAL;
 			goto _err;
+		}
 	}
 	acard->chip = chip;
 			

sound/pci/ac97/ac97_codec.c

@@ -175,7 +175,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q",	patch_wolfson04, NULL},
 { 0x574d4C05, 0xffffffff, "WM9705,WM9710",	patch_wolfson05, NULL},
 { 0x574d4C09, 0xffffffff, "WM9709",		NULL,		NULL},
-{ 0x574d4C12, 0xffffffff, "WM9711,WM9712",	patch_wolfson11, NULL},
+{ 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715",	patch_wolfson11, NULL},
 { 0x574d4c13, 0xffffffff, "WM9713,WM9714",	patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
 { 0x594d4800, 0xffffffff, "YMF743",		patch_yamaha_ymf743,	NULL },
 { 0x594d4802, 0xffffffff, "YMF752",		NULL,		NULL },

sound/pci/ac97/ac97_patch.c

@@ -2832,6 +2832,8 @@ static int patch_alc655(struct snd_ac97 * ac97)
 			val &= ~(1 << 1); /* Pin 47 is EAPD (for internal speaker) */
 		else
 			val |= (1 << 1); /* Pin 47 is spdif input pin */
+		/* this seems missing on some hardwares */
+		ac97->ext_id |= AC97_EI_SPDIF;
 	}
 	val &= ~(1 << 12); /* vref enable */
 	snd_ac97_write_cache(ac97, 0x7a, val);

sound/pci/ca0106/ca0106.h

@@ -664,10 +664,14 @@ struct snd_ca0106_pcm {
 struct snd_ca0106_details {
         u32 serial;
         char * name;
-        int ac97;
-	int gpio_type;
-	int i2c_adc;
-	int spi_dac;
+	int ac97;	/* ac97 = 0 -> Select MIC, Line in, TAD in, AUX in.
+			   ac97 = 1 -> Default to AC97 in. */
+	int gpio_type;	/* gpio_type = 1 -> shared mic-in/line-in
+			   gpio_type = 2 -> shared side-out/line-in. */
+	int i2c_adc;	/* with i2c_adc=1, the driver adds some capture volume
+			   controls, phone, mic, line-in and aux. */
+	int spi_dac;	/* spi_dac=1 adds the mute switch for each analog
+			   output, front, rear, etc. */
 };
 
 // definition of the chip-specific record
@@ -686,11 +690,12 @@ struct snd_ca0106 {
 	spinlock_t emu_lock;
 
 	struct snd_ac97 *ac97;
-	struct snd_pcm *pcm;
+	struct snd_pcm *pcm[4];
 
 	struct snd_ca0106_channel playback_channels[4];
 	struct snd_ca0106_channel capture_channels[4];
-	u32 spdif_bits[4];             /* s/pdif out setup */
+	u32 spdif_bits[4];             /* s/pdif out default setup */
+	u32 spdif_str_bits[4];         /* s/pdif out per-stream setup */
 	int spdif_enable;
 	int capture_source;
 	int i2c_capture_source;
@@ -703,6 +708,11 @@ struct snd_ca0106 {
 	struct snd_ca_midi midi2;
 
 	u16 spi_dac_reg[16];
+
+#ifdef CONFIG_PM
+#define NUM_SAVED_VOLUMES	9
+	unsigned int saved_vol[NUM_SAVED_VOLUMES];
+#endif
 };
 
 int snd_ca0106_mixer(struct snd_ca0106 *emu);
@@ -721,3 +731,11 @@ int snd_ca0106_i2c_write(struct snd_ca0106 *emu, u32 reg, u32 value);
 
 int snd_ca0106_spi_write(struct snd_ca0106 * emu,
 				   unsigned int data);
+
+#ifdef CONFIG_PM
+void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip);
+void snd_ca0106_mixer_resume(struct snd_ca0106 *chip);
+#else
+#define snd_ca0106_mixer_suspend(chip)	do { } while (0)
+#define snd_ca0106_mixer_resume(chip)	do { } while (0)
+#endif

sound/pci/ca0106/ca0106_main.c

@@ -254,7 +254,7 @@ static struct snd_ca0106_details ca0106_chip_details[] = {
 	   .name   = "MSI K8N Diamond MB",
 	   .gpio_type = 2,
 	   .i2c_adc = 1,
-	   .spi_dac = 2 } ,
+	   .spi_dac = 1 } ,
 	 /* Shuttle XPC SD31P which has an onboard Creative Labs
 	  * Sound Blaster Live! 24-bit EAX
 	  * high-definition 7.1 audio processor".
@@ -305,9 +305,15 @@ static struct snd_pcm_hardware snd_ca0106_capture_hw = {
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 				 SNDRV_PCM_INFO_MMAP_VALID),
 	.formats =		SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
+#if 0 /* FIXME: looks like 44.1kHz capture causes noisy output on 48kHz */
 	.rates =		(SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
 				 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000),
 	.rate_min =		44100,
+#else
+	.rates =		(SNDRV_PCM_RATE_48000 |
+				 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000),
+	.rate_min =		48000,
+#endif /* FIXME */
 	.rate_max =		192000,
 	.channels_min =		2,
 	.channels_max =		2,
@@ -479,6 +485,15 @@ static const int spi_dacd_bit[] = {
 	[PCM_UNKNOWN_CHANNEL]	= SPI_DACD1_BIT,
 };
 
+static void restore_spdif_bits(struct snd_ca0106 *chip, int idx)
+{
+	if (chip->spdif_str_bits[idx] != chip->spdif_bits[idx]) {
+		chip->spdif_str_bits[idx] = chip->spdif_bits[idx];
+		snd_ca0106_ptr_write(chip, SPCS0 + idx, 0,
+				     chip->spdif_str_bits[idx]);
+	}
+}
+
 /* open_playback callback */
 static int snd_ca0106_pcm_open_playback_channel(struct snd_pcm_substream *substream,
 						int channel_id)
@@ -524,6 +539,9 @@ static int snd_ca0106_pcm_open_playback_channel(struct snd_pcm_substream *substr
 		if (err < 0)
 			return err;
 	}
+
+	restore_spdif_bits(chip, channel_id);
+
 	return 0;
 }
 
@@ -535,6 +553,8 @@ static int snd_ca0106_pcm_close_playback(struct snd_pcm_substream *substream)
         struct snd_ca0106_pcm *epcm = runtime->private_data;
 	chip->playback_channels[epcm->channel_id].use = 0;
 
+	restore_spdif_bits(chip, epcm->channel_id);
+
 	if (chip->details->spi_dac && epcm->channel_id != PCM_FRONT_CHANNEL) {
 		const int reg = spi_dacd_reg[epcm->channel_id];
 
@@ -847,15 +867,18 @@ static int snd_ca0106_pcm_trigger_playback(struct snd_pcm_substream *substream,
         struct snd_pcm_substream *s;
 	u32 basic = 0;
 	u32 extended = 0;
-	int running=0;
+	u32 bits;
+	int running = 0;
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
-		running=1;
+	case SNDRV_PCM_TRIGGER_RESUME:
+		running = 1;
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
 	default:
-		running=0;
+		running = 0;
 		break;
 	}
         snd_pcm_group_for_each_entry(s, substream) {
@@ -865,22 +888,32 @@ static int snd_ca0106_pcm_trigger_playback(struct snd_pcm_substream *substream,
 		runtime = s->runtime;
 		epcm = runtime->private_data;
 		channel = epcm->channel_id;
-		//snd_printk("channel=%d\n",channel);
+		/* snd_printk("channel=%d\n",channel); */
 		epcm->running = running;
-		basic |= (0x1<<channel);
-		extended |= (0x10<<channel);
+		basic |= (0x1 << channel);
+		extended |= (0x10 << channel);
                 snd_pcm_trigger_done(s, substream);
         }
-	//snd_printk("basic=0x%x, extended=0x%x\n",basic, extended);
+	/* snd_printk("basic=0x%x, extended=0x%x\n",basic, extended); */
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
-		snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0) | (extended));
-		snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0)|(basic));
+	case SNDRV_PCM_TRIGGER_RESUME:
+		bits = snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0);
+		bits |= extended;
+		snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, bits);
+		bits = snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0);
+		bits |= basic;
+		snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, bits);
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
-		snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0) & ~(basic));
-		snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0) & ~(extended));
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+		bits = snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0);
+		bits &= ~basic;
+		snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, bits);
+		bits = snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0);
+		bits &= ~extended;
+		snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, bits);
 		break;
 	default:
 		result = -EINVAL;
@@ -1103,21 +1136,13 @@ static int snd_ca0106_ac97(struct snd_ca0106 *chip)
 	return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
 }
 
+static void ca0106_stop_chip(struct snd_ca0106 *chip);
+
 static int snd_ca0106_free(struct snd_ca0106 *chip)
 {
-	if (chip->res_port != NULL) {    /* avoid access to already used hardware */
-		// disable interrupts
-		snd_ca0106_ptr_write(chip, BASIC_INTERRUPT, 0, 0);
-		outl(0, chip->port + INTE);
-		snd_ca0106_ptr_write(chip, EXTENDED_INT_MASK, 0, 0);
-		udelay(1000);
-		// disable audio
-		//outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
-		outl(0, chip->port + HCFG);
-		/* FIXME: We need to stop and DMA transfers here.
-		 *        But as I am not sure how yet, we cannot from the dma pages.
-		 * So we can fix: snd-malloc: Memory leak?  pages not freed = 8
-		 */
+	if (chip->res_port != NULL) {
+		/* avoid access to already used hardware */
+		ca0106_stop_chip(chip);
 	}
 	if (chip->irq >= 0)
 		free_irq(chip->irq, chip);
@@ -1203,15 +1228,14 @@ static irqreturn_t snd_ca0106_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static int __devinit snd_ca0106_pcm(struct snd_ca0106 *emu, int device, struct snd_pcm **rpcm)
+static int __devinit snd_ca0106_pcm(struct snd_ca0106 *emu, int device)
 {
 	struct snd_pcm *pcm;
 	struct snd_pcm_substream *substream;
 	int err;
   
-	if (rpcm)
-		*rpcm = NULL;
-	if ((err = snd_pcm_new(emu->card, "ca0106", device, 1, 1, &pcm)) < 0)
+	err = snd_pcm_new(emu->card, "ca0106", device, 1, 1, &pcm);
+	if (err < 0)
 		return err;
   
 	pcm->private_data = emu;
@@ -1238,7 +1262,6 @@ static int __devinit snd_ca0106_pcm(struct snd_ca0106 *emu, int device, struct s
 	pcm->info_flags = 0;
 	pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
 	strcpy(pcm->name, "CA0106");
-	emu->pcm = pcm;
 
 	for(substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; 
 	    substream; 
@@ -1260,8 +1283,7 @@ static int __devinit snd_ca0106_pcm(struct snd_ca0106 *emu, int device, struct s
 			return err;
 	}
   
-	if (rpcm)
-		*rpcm = pcm;
+	emu->pcm[device] = pcm;
   
 	return 0;
 }
@@ -1301,89 +1323,10 @@ static unsigned int i2c_adc_init[][2] = {
 	{ 0x15, ADC_MUX_LINEIN },  /* ADC Mixer control */
 };
 
-static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
-					 struct pci_dev *pci,
-					 struct snd_ca0106 **rchip)
+static void ca0106_init_chip(struct snd_ca0106 *chip, int resume)
 {
-	struct snd_ca0106 *chip;
-	struct snd_ca0106_details *c;
-	int err;
 	int ch;
-	static struct snd_device_ops ops = {
-		.dev_free = snd_ca0106_dev_free,
-	};
-  
-	*rchip = NULL;
-  
-	if ((err = pci_enable_device(pci)) < 0)
-		return err;
-	if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0 ||
-	    pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0) {
-		printk(KERN_ERR "error to set 32bit mask DMA\n");
-		pci_disable_device(pci);
-		return -ENXIO;
-	}
-  
-	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
-	if (chip == NULL) {
-		pci_disable_device(pci);
-		return -ENOMEM;
-	}
-  
-	chip->card = card;
-	chip->pci = pci;
-	chip->irq = -1;
-
-	spin_lock_init(&chip->emu_lock);
-  
-	chip->port = pci_resource_start(pci, 0);
-	if ((chip->res_port = request_region(chip->port, 0x20,
-					     "snd_ca0106")) == NULL) { 
-		snd_ca0106_free(chip);
-		printk(KERN_ERR "cannot allocate the port\n");
-		return -EBUSY;
-	}
-
-	if (request_irq(pci->irq, snd_ca0106_interrupt,
-			IRQF_SHARED, "snd_ca0106", chip)) {
-		snd_ca0106_free(chip);
-		printk(KERN_ERR "cannot grab irq\n");
-		return -EBUSY;
-	}
-	chip->irq = pci->irq;
-  
- 	/* This stores the periods table. */ 
-	if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1024, &chip->buffer) < 0) {
-		snd_ca0106_free(chip);
-		return -ENOMEM;
-	}
-
-	pci_set_master(pci);
-	/* read serial */
-	pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
-	pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
-#if 1
-	printk(KERN_INFO "snd-ca0106: Model %04x Rev %08x Serial %08x\n", chip->model,
-	       pci->revision, chip->serial);
-#endif
-	strcpy(card->driver, "CA0106");
-	strcpy(card->shortname, "CA0106");
-
-	for (c = ca0106_chip_details; c->serial; c++) {
-		if (subsystem[dev]) {
-			if (c->serial == subsystem[dev])
-				break;
-		} else if (c->serial == chip->serial)
-			break;
-	}
-	chip->details = c;
-	if (subsystem[dev]) {
-		printk(KERN_INFO "snd-ca0106: Sound card name=%s, subsystem=0x%x. Forced to subsystem=0x%x\n",
-                        c->name, chip->serial, subsystem[dev]);
-	}
-
-	sprintf(card->longname, "%s at 0x%lx irq %i",
-		c->name, chip->port, chip->irq);
+	unsigned int def_bits;
 
 	outl(0, chip->port + INTE);
 
@@ -1401,31 +1344,22 @@ static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
 	 *  AN                = 0     (Audio data)
 	 *  P                 = 0     (Consumer)
 	 */
-	snd_ca0106_ptr_write(chip, SPCS0, 0,
-				chip->spdif_bits[0] =
-				SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
-				SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
-				SPCS_GENERATIONSTATUS | 0x00001200 |
-				0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
+	def_bits =
+		SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
+		SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
+		SPCS_GENERATIONSTATUS | 0x00001200 |
+		0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
+	if (!resume) {
+		chip->spdif_str_bits[0] = chip->spdif_bits[0] = def_bits;
+		chip->spdif_str_bits[1] = chip->spdif_bits[1] = def_bits;
+		chip->spdif_str_bits[2] = chip->spdif_bits[2] = def_bits;
+		chip->spdif_str_bits[3] = chip->spdif_bits[3] = def_bits;
+	}
 	/* Only SPCS1 has been tested */
-	snd_ca0106_ptr_write(chip, SPCS1, 0,
-				chip->spdif_bits[1] =
-				SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
-				SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
-				SPCS_GENERATIONSTATUS | 0x00001200 |
-				0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
-	snd_ca0106_ptr_write(chip, SPCS2, 0,
-				chip->spdif_bits[2] =
-				SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
-				SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
-				SPCS_GENERATIONSTATUS | 0x00001200 |
-				0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
-	snd_ca0106_ptr_write(chip, SPCS3, 0,
-				chip->spdif_bits[3] =
-				SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
-				SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
-				SPCS_GENERATIONSTATUS | 0x00001200 |
-				0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
+	snd_ca0106_ptr_write(chip, SPCS1, 0, chip->spdif_str_bits[1]);
+	snd_ca0106_ptr_write(chip, SPCS0, 0, chip->spdif_str_bits[0]);
+	snd_ca0106_ptr_write(chip, SPCS2, 0, chip->spdif_str_bits[2]);
+	snd_ca0106_ptr_write(chip, SPCS3, 0, chip->spdif_str_bits[3]);
 
         snd_ca0106_ptr_write(chip, PLAYBACK_MUTE, 0, 0x00fc0000);
         snd_ca0106_ptr_write(chip, CAPTURE_MUTE, 0, 0x00fc0000);
@@ -1433,92 +1367,124 @@ static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
         /* Write 0x8000 to AC97_REC_GAIN to mute it. */
         outb(AC97_REC_GAIN, chip->port + AC97ADDRESS);
         outw(0x8000, chip->port + AC97DATA);
-#if 0
+#if 0 /* FIXME: what are these? */
 	snd_ca0106_ptr_write(chip, SPCS0, 0, 0x2108006);
 	snd_ca0106_ptr_write(chip, 0x42, 0, 0x2108006);
 	snd_ca0106_ptr_write(chip, 0x43, 0, 0x2108006);
 	snd_ca0106_ptr_write(chip, 0x44, 0, 0x2108006);
 #endif
 
-	//snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0xf0f003f); /* OSS drivers set this. */
+	/* OSS drivers set this. */
+	/* snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0xf0f003f); */
+
 	/* Analog or Digital output */
 	snd_ca0106_ptr_write(chip, SPDIF_SELECT1, 0, 0xf);
-	snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0x000f0000); /* 0x0b000000 for digital, 0x000b0000 for analog, from win2000 drivers. Use 0x000f0000 for surround71 */
+	/* 0x0b000000 for digital, 0x000b0000 for analog, from win2000 drivers.
+	 * Use 0x000f0000 for surround71
+	 */
+	snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0x000f0000);
+
 	chip->spdif_enable = 0; /* Set digital SPDIF output off */
-	//snd_ca0106_ptr_write(chip, 0x45, 0, 0); /* Analogue out */
-	//snd_ca0106_ptr_write(chip, 0x45, 0, 0xf00); /* Digital out */
+	/*snd_ca0106_ptr_write(chip, 0x45, 0, 0);*/ /* Analogue out */
+	/*snd_ca0106_ptr_write(chip, 0x45, 0, 0xf00);*/ /* Digital out */
+
+	/* goes to 0x40c80000 when doing SPDIF IN/OUT */
+	snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 0, 0x40c81000);
+	/* (Mute) CAPTURE feedback into PLAYBACK volume.
+	 * Only lower 16 bits matter.
+	 */
+	snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 1, 0xffffffff);
+	/* SPDIF IN Volume */
+	snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 2, 0x30300000);
+	/* SPDIF IN Volume, 0x70 = (vol & 0x3f) | 0x40 */
+	snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 3, 0x00700000);
 
-	snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 0, 0x40c81000); /* goes to 0x40c80000 when doing SPDIF IN/OUT */
-	snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 1, 0xffffffff); /* (Mute) CAPTURE feedback into PLAYBACK volume. Only lower 16 bits matter. */
-	snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 2, 0x30300000); /* SPDIF IN Volume */
-	snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 3, 0x00700000); /* SPDIF IN Volume, 0x70 = (vol & 0x3f) | 0x40 */
 	snd_ca0106_ptr_write(chip, PLAYBACK_ROUTING1, 0, 0x32765410);
 	snd_ca0106_ptr_write(chip, PLAYBACK_ROUTING2, 0, 0x76767676);
 	snd_ca0106_ptr_write(chip, CAPTURE_ROUTING1, 0, 0x32765410);
 	snd_ca0106_ptr_write(chip, CAPTURE_ROUTING2, 0, 0x76767676);
-	for(ch = 0; ch < 4; ch++) {
-		snd_ca0106_ptr_write(chip, CAPTURE_VOLUME1, ch, 0x30303030); /* Only high 16 bits matter */
+
+	for (ch = 0; ch < 4; ch++) {
+		/* Only high 16 bits matter */
+		snd_ca0106_ptr_write(chip, CAPTURE_VOLUME1, ch, 0x30303030);
 		snd_ca0106_ptr_write(chip, CAPTURE_VOLUME2, ch, 0x30303030);
-		//snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0x40404040); /* Mute */
-		//snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0x40404040); /* Mute */
-		snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0xffffffff); /* Mute */
-		snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0xffffffff); /* Mute */
+#if 0 /* Mute */
+		snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0x40404040);
+		snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0x40404040);
+		snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0xffffffff);
+		snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0xffffffff);
+#endif
 	}
 	if (chip->details->i2c_adc == 1) {
 	        /* Select MIC, Line in, TAD in, AUX in */
 	        snd_ca0106_ptr_write(chip, CAPTURE_SOURCE, 0x0, 0x333300e4);
 		/* Default to CAPTURE_SOURCE to i2s in */
-		chip->capture_source = 3;
+		if (!resume)
+			chip->capture_source = 3;
 	} else if (chip->details->ac97 == 1) {
 	        /* Default to AC97 in */
 	        snd_ca0106_ptr_write(chip, CAPTURE_SOURCE, 0x0, 0x444400e4);
 		/* Default to CAPTURE_SOURCE to AC97 in */
-		chip->capture_source = 4;
+		if (!resume)
+			chip->capture_source = 4;
 	} else {
 	        /* Select MIC, Line in, TAD in, AUX in */
 	        snd_ca0106_ptr_write(chip, CAPTURE_SOURCE, 0x0, 0x333300e4);
 		/* Default to Set CAPTURE_SOURCE to i2s in */
-		chip->capture_source = 3;
+		if (!resume)
+			chip->capture_source = 3;
 	}
 
-        if (chip->details->gpio_type == 2) { /* The SB0438 use GPIO differently. */
-		/* FIXME: Still need to find out what the other GPIO bits do. E.g. For digital spdif out. */
+	if (chip->details->gpio_type == 2) {
+		/* The SB0438 use GPIO differently. */
+		/* FIXME: Still need to find out what the other GPIO bits do.
+		 * E.g. For digital spdif out.
+		 */
 		outl(0x0, chip->port+GPIO);
-		//outl(0x00f0e000, chip->port+GPIO); /* Analog */
+		/* outl(0x00f0e000, chip->port+GPIO); */ /* Analog */
 		outl(0x005f5301, chip->port+GPIO); /* Analog */
-	} else if (chip->details->gpio_type == 1) { /* The SB0410 and SB0413 use GPIO differently. */
-		/* FIXME: Still need to find out what the other GPIO bits do. E.g. For digital spdif out. */
+	} else if (chip->details->gpio_type == 1) {
+		/* The SB0410 and SB0413 use GPIO differently. */
+		/* FIXME: Still need to find out what the other GPIO bits do.
+		 * E.g. For digital spdif out.
+		 */
 		outl(0x0, chip->port+GPIO);
-		//outl(0x00f0e000, chip->port+GPIO); /* Analog */
+		/* outl(0x00f0e000, chip->port+GPIO); */ /* Analog */
 		outl(0x005f5301, chip->port+GPIO); /* Analog */
 	} else {
 		outl(0x0, chip->port+GPIO);
 		outl(0x005f03a3, chip->port+GPIO); /* Analog */
-		//outl(0x005f02a2, chip->port+GPIO);   /* SPDIF */
+		/* outl(0x005f02a2, chip->port+GPIO); */ /* SPDIF */
 	}
 	snd_ca0106_intr_enable(chip, 0x105); /* Win2000 uses 0x1e0 */
 
-	//outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
-	//outl(0x00001409, chip->port+HCFG); /* 0x1000 causes AC3 to fails. Maybe it effects 24 bit output. */
-	//outl(0x00000009, chip->port+HCFG);
-	outl(HCFG_AC97 | HCFG_AUDIOENABLE, chip->port+HCFG); /* AC97 2.0, Enable outputs. */
+	/* outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG); */
+	/* 0x1000 causes AC3 to fails. Maybe it effects 24 bit output. */
+	/* outl(0x00001409, chip->port+HCFG); */
+	/* outl(0x00000009, chip->port+HCFG); */
+	/* AC97 2.0, Enable outputs. */
+	outl(HCFG_AC97 | HCFG_AUDIOENABLE, chip->port+HCFG);
 
-        if (chip->details->i2c_adc == 1) { /* The SB0410 and SB0413 use I2C to control ADC. */
+	if (chip->details->i2c_adc == 1) {
+		/* The SB0410 and SB0413 use I2C to control ADC. */
 		int size, n;
 
 		size = ARRAY_SIZE(i2c_adc_init);
-                //snd_printk("I2C:array size=0x%x\n", size);
-		for (n=0; n < size; n++) {
-			snd_ca0106_i2c_write(chip, i2c_adc_init[n][0], i2c_adc_init[n][1]);
-		}
-		for (n=0; n < 4; n++) {
-			chip->i2c_capture_volume[n][0]= 0xcf;
-			chip->i2c_capture_volume[n][1]= 0xcf;
+		/* snd_printk("I2C:array size=0x%x\n", size); */
+		for (n = 0; n < size; n++)
+			snd_ca0106_i2c_write(chip, i2c_adc_init[n][0],
+					     i2c_adc_init[n][1]);
+		for (n = 0; n < 4; n++) {
+			chip->i2c_capture_volume[n][0] = 0xcf;
+			chip->i2c_capture_volume[n][1] = 0xcf;
 		}
-		chip->i2c_capture_source=2; /* Line in */
-	        //snd_ca0106_i2c_write(chip, ADC_MUX, ADC_MUX_LINEIN); /* Enable Line-in capture. MIC in currently untested. */
+		chip->i2c_capture_source = 2; /* Line in */
+		/* Enable Line-in capture. MIC in currently untested. */
+		/* snd_ca0106_i2c_write(chip, ADC_MUX, ADC_MUX_LINEIN); */
 	}
-        if (chip->details->spi_dac == 1) { /* The SB0570 use SPI to control DAC. */
+
+	if (chip->details->spi_dac == 1) {
+		/* The SB0570 use SPI to control DAC. */
 		int size, n;
 
 		size = ARRAY_SIZE(spi_dac_init);
@@ -1530,9 +1496,112 @@ static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
 				chip->spi_dac_reg[reg] = spi_dac_init[n];
 		}
 	}
+}
 
-	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
-				  chip, &ops)) < 0) {
+static void ca0106_stop_chip(struct snd_ca0106 *chip)
+{
+	/* disable interrupts */
+	snd_ca0106_ptr_write(chip, BASIC_INTERRUPT, 0, 0);
+	outl(0, chip->port + INTE);
+	snd_ca0106_ptr_write(chip, EXTENDED_INT_MASK, 0, 0);
+	udelay(1000);
+	/* disable audio */
+	/* outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG); */
+	outl(0, chip->port + HCFG);
+	/* FIXME: We need to stop and DMA transfers here.
+	 *        But as I am not sure how yet, we cannot from the dma pages.
+	 * So we can fix: snd-malloc: Memory leak?  pages not freed = 8
+	 */
+}
+
+static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
+					 struct pci_dev *pci,
+					 struct snd_ca0106 **rchip)
+{
+	struct snd_ca0106 *chip;
+	struct snd_ca0106_details *c;
+	int err;
+	static struct snd_device_ops ops = {
+		.dev_free = snd_ca0106_dev_free,
+	};
+
+	*rchip = NULL;
+
+	err = pci_enable_device(pci);
+	if (err < 0)
+		return err;
+	if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0 ||
+	    pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0) {
+		printk(KERN_ERR "error to set 32bit mask DMA\n");
+		pci_disable_device(pci);
+		return -ENXIO;
+	}
+
+	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+	if (chip == NULL) {
+		pci_disable_device(pci);
+		return -ENOMEM;
+	}
+
+	chip->card = card;
+	chip->pci = pci;
+	chip->irq = -1;
+
+	spin_lock_init(&chip->emu_lock);
+
+	chip->port = pci_resource_start(pci, 0);
+	chip->res_port = request_region(chip->port, 0x20, "snd_ca0106");
+	if (!chip->res_port) {
+		snd_ca0106_free(chip);
+		printk(KERN_ERR "cannot allocate the port\n");
+		return -EBUSY;
+	}
+
+	if (request_irq(pci->irq, snd_ca0106_interrupt,
+			IRQF_SHARED, "snd_ca0106", chip)) {
+		snd_ca0106_free(chip);
+		printk(KERN_ERR "cannot grab irq\n");
+		return -EBUSY;
+	}
+	chip->irq = pci->irq;
+
+	/* This stores the periods table. */
+	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+				1024, &chip->buffer) < 0) {
+		snd_ca0106_free(chip);
+		return -ENOMEM;
+	}
+
+	pci_set_master(pci);
+	/* read serial */
+	pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
+	pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
+	printk(KERN_INFO "snd-ca0106: Model %04x Rev %08x Serial %08x\n",
+	       chip->model, pci->revision, chip->serial);
+	strcpy(card->driver, "CA0106");
+	strcpy(card->shortname, "CA0106");
+
+	for (c = ca0106_chip_details; c->serial; c++) {
+		if (subsystem[dev]) {
+			if (c->serial == subsystem[dev])
+				break;
+		} else if (c->serial == chip->serial)
+			break;
+	}
+	chip->details = c;
+	if (subsystem[dev]) {
+		printk(KERN_INFO "snd-ca0106: Sound card name=%s, "
+		       "subsystem=0x%x. Forced to subsystem=0x%x\n",
+		       c->name, chip->serial, subsystem[dev]);
+	}
+
+	sprintf(card->longname, "%s at 0x%lx irq %i",
+		c->name, chip->port, chip->irq);
+
+	ca0106_init_chip(chip, 0);
+
+	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+	if (err < 0) {
 		snd_ca0106_free(chip);
 		return err;
 	}
@@ -1629,7 +1698,7 @@ static int __devinit snd_ca0106_probe(struct pci_dev *pci,
 	static int dev;
 	struct snd_card *card;
 	struct snd_ca0106 *chip;
-	int err;
+	int i, err;
 
 	if (dev >= SNDRV_CARDS)
 		return -ENODEV;
@@ -1642,44 +1711,31 @@ static int __devinit snd_ca0106_probe(struct pci_dev *pci,
 	if (card == NULL)
 		return -ENOMEM;
 
-	if ((err = snd_ca0106_create(dev, card, pci, &chip)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	err = snd_ca0106_create(dev, card, pci, &chip);
+	if (err < 0)
+		goto error;
+	card->private_data = chip;
 
-	if ((err = snd_ca0106_pcm(chip, 0, NULL)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
-	if ((err = snd_ca0106_pcm(chip, 1, NULL)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
-	if ((err = snd_ca0106_pcm(chip, 2, NULL)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
-	if ((err = snd_ca0106_pcm(chip, 3, NULL)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
-        if (chip->details->ac97 == 1) { /* The SB0410 and SB0413 do not have an AC97 chip. */
-		if ((err = snd_ca0106_ac97(chip)) < 0) {
-			snd_card_free(card);
-			return err;
-		}
+	for (i = 0; i < 4; i++) {
+		err = snd_ca0106_pcm(chip, i);
+		if (err < 0)
+			goto error;
 	}
-	if ((err = snd_ca0106_mixer(chip)) < 0) {
-		snd_card_free(card);
-		return err;
+
+	if (chip->details->ac97 == 1) {
+		/* The SB0410 and SB0413 do not have an AC97 chip. */
+		err = snd_ca0106_ac97(chip);
+		if (err < 0)
+			goto error;
 	}
+	err = snd_ca0106_mixer(chip);
+	if (err < 0)
+		goto error;
 
 	snd_printdd("ca0106: probe for MIDI channel A ...");
-	if ((err = snd_ca0106_midi(chip,CA0106_MIDI_CHAN_A)) < 0) {
-		snd_card_free(card);
-		snd_printdd(" failed, err=0x%x\n",err);
-		return err;
-	}
+	err = snd_ca0106_midi(chip, CA0106_MIDI_CHAN_A);
+	if (err < 0)
+		goto error;
 	snd_printdd(" done.\n");
 
 #ifdef CONFIG_PROC_FS
@@ -1688,14 +1744,17 @@ static int __devinit snd_ca0106_probe(struct pci_dev *pci,
 
 	snd_card_set_dev(card, &pci->dev);
 
-	if ((err = snd_card_register(card)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	err = snd_card_register(card);
+	if (err < 0)
+		goto error;
 
 	pci_set_drvdata(pci, card);
 	dev++;
 	return 0;
+
+ error:
+	snd_card_free(card);
+	return err;
 }
 
 static void __devexit snd_ca0106_remove(struct pci_dev *pci)
@@ -1704,6 +1763,59 @@ static void __devexit snd_ca0106_remove(struct pci_dev *pci)
 	pci_set_drvdata(pci, NULL);
 }
 
+#ifdef CONFIG_PM
+static int snd_ca0106_suspend(struct pci_dev *pci, pm_message_t state)
+{
+	struct snd_card *card = pci_get_drvdata(pci);
+	struct snd_ca0106 *chip = card->private_data;
+	int i;
+
+	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+	for (i = 0; i < 4; i++)
+		snd_pcm_suspend_all(chip->pcm[i]);
+	if (chip->details->ac97)
+		snd_ac97_suspend(chip->ac97);
+	snd_ca0106_mixer_suspend(chip);
+
+	ca0106_stop_chip(chip);
+
+	pci_disable_device(pci);
+	pci_save_state(pci);
+	pci_set_power_state(pci, pci_choose_state(pci, state));
+	return 0;
+}
+
+static int snd_ca0106_resume(struct pci_dev *pci)
+{
+	struct snd_card *card = pci_get_drvdata(pci);
+	struct snd_ca0106 *chip = card->private_data;
+	int i;
+
+	pci_set_power_state(pci, PCI_D0);
+	pci_restore_state(pci);
+
+	if (pci_enable_device(pci) < 0) {
+		snd_card_disconnect(card);
+		return -EIO;
+	}
+
+	pci_set_master(pci);
+
+	ca0106_init_chip(chip, 1);
+
+	if (chip->details->ac97)
+		snd_ac97_resume(chip->ac97);
+	snd_ca0106_mixer_resume(chip);
+	if (chip->details->spi_dac) {
+		for (i = 0; i < ARRAY_SIZE(chip->spi_dac_reg); i++)
+			snd_ca0106_spi_write(chip, chip->spi_dac_reg[i]);
+	}
+
+	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+	return 0;
+}
+#endif
+
 // PCI IDs
 static struct pci_device_id snd_ca0106_ids[] = {
 	{ 0x1102, 0x0007, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },	/* Audigy LS or Live 24bit */
@@ -1717,6 +1829,10 @@ static struct pci_driver driver = {
 	.id_table = snd_ca0106_ids,
 	.probe = snd_ca0106_probe,
 	.remove = __devexit_p(snd_ca0106_remove),
+#ifdef CONFIG_PM
+	.suspend = snd_ca0106_suspend,
+	.resume = snd_ca0106_resume,
+#endif
 };
 
 // initialization of the module

sound/pci/ca0106/ca0106_mixer.c

@@ -75,6 +75,84 @@
 
 #include "ca0106.h"
 
+static void ca0106_spdif_enable(struct snd_ca0106 *emu)
+{
+	unsigned int val;
+
+	if (emu->spdif_enable) {
+		/* Digital */
+		snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
+		snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
+		val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000;
+		snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
+		val = inl(emu->port + GPIO) & ~0x101;
+		outl(val, emu->port + GPIO);
+
+	} else {
+		/* Analog */
+		snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
+		snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
+		val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000;
+		snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
+		val = inl(emu->port + GPIO) | 0x101;
+		outl(val, emu->port + GPIO);
+	}
+}
+
+static void ca0106_set_capture_source(struct snd_ca0106 *emu)
+{
+	unsigned int val = emu->capture_source;
+	unsigned int source, mask;
+	source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
+	mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
+	snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
+}
+
+static void ca0106_set_i2c_capture_source(struct snd_ca0106 *emu,
+					  unsigned int val, int force)
+{
+	unsigned int ngain, ogain;
+	u32 source;
+
+	snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
+	ngain = emu->i2c_capture_volume[val][0]; /* Left */
+	ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
+	if (force || ngain != ogain)
+		snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ngain & 0xff);
+	ngain = emu->i2c_capture_volume[val][1]; /* Right */
+	ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Right */
+	if (force || ngain != ogain)
+		snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ngain & 0xff);
+	source = 1 << val;
+	snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
+	emu->i2c_capture_source = val;
+}
+
+static void ca0106_set_capture_mic_line_in(struct snd_ca0106 *emu)
+{
+	u32 tmp;
+
+	if (emu->capture_mic_line_in) {
+		/* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
+		tmp = inl(emu->port+GPIO) & ~0x400;
+		tmp = tmp | 0x400;
+		outl(tmp, emu->port+GPIO);
+		/* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC); */
+	} else {
+		/* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
+		tmp = inl(emu->port+GPIO) & ~0x400;
+		outl(tmp, emu->port+GPIO);
+		/* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN); */
+	}
+}
+
+static void ca0106_set_spdif_bits(struct snd_ca0106 *emu, int idx)
+{
+	snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, emu->spdif_str_bits[idx]);
+}
+
+/*
+ */
 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale1, -5175, 25, 1);
 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale2, -10350, 50, 1);
 
@@ -95,30 +173,12 @@ static int snd_ca0106_shared_spdif_put(struct snd_kcontrol *kcontrol,
 	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
 	unsigned int val;
 	int change = 0;
-	u32 mask;
 
 	val = !!ucontrol->value.integer.value[0];
 	change = (emu->spdif_enable != val);
 	if (change) {
 		emu->spdif_enable = val;
-		if (val) {
-			/* Digital */
-			snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
-			snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
-			snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0,
-				snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000);
-			mask = inl(emu->port + GPIO) & ~0x101;
-			outl(mask, emu->port + GPIO);
-
-		} else {
-			/* Analog */
-			snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
-			snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
-			snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0,
-				snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000);
-			mask = inl(emu->port + GPIO) | 0x101;
-			outl(mask, emu->port + GPIO);
-		}
+		ca0106_spdif_enable(emu);
 	}
         return change;
 }
@@ -154,8 +214,6 @@ static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
 	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
 	unsigned int val;
 	int change = 0;
-	u32 mask;
-	u32 source;
 
 	val = ucontrol->value.enumerated.item[0] ;
 	if (val >= 6)
@@ -163,9 +221,7 @@ static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
 	change = (emu->capture_source != val);
 	if (change) {
 		emu->capture_source = val;
-		source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
-		mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
-		snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
+		ca0106_set_capture_source(emu);
 	}
         return change;
 }
@@ -200,9 +256,7 @@ static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
 {
 	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
 	unsigned int source_id;
-	unsigned int ngain, ogain;
 	int change = 0;
-	u32 source;
 	/* If the capture source has changed,
 	 * update the capture volume from the cached value
 	 * for the particular source.
@@ -212,18 +266,7 @@ static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
 		return -EINVAL;
 	change = (emu->i2c_capture_source != source_id);
 	if (change) {
-		snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
-		ngain = emu->i2c_capture_volume[source_id][0]; /* Left */
-		ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
-		if (ngain != ogain)
-			snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff));
-		ngain = emu->i2c_capture_volume[source_id][1]; /* Left */
-		ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Left */
-		if (ngain != ogain)
-			snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
-		source = 1 << source_id;
-		snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
-		emu->i2c_capture_source = source_id;
+		ca0106_set_i2c_capture_source(emu, source_id, 0);
 	}
         return change;
 }
@@ -271,7 +314,6 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
 	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
 	unsigned int val;
 	int change = 0;
-	u32 tmp;
 
 	val = ucontrol->value.enumerated.item[0] ;
 	if (val > 1)
@@ -279,18 +321,7 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
 	change = (emu->capture_mic_line_in != val);
 	if (change) {
 		emu->capture_mic_line_in = val;
-		if (val) {
-			//snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
-			tmp = inl(emu->port+GPIO) & ~0x400;
-			tmp = tmp | 0x400;
-			outl(tmp, emu->port+GPIO);
-			//snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC);
-		} else {
-			//snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
-			tmp = inl(emu->port+GPIO) & ~0x400;
-			outl(tmp, emu->port+GPIO);
-			//snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN);
-		}
+		ca0106_set_capture_mic_line_in(emu);
 	}
         return change;
 }
@@ -322,16 +353,33 @@ static int snd_ca0106_spdif_info(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
-static int snd_ca0106_spdif_get(struct snd_kcontrol *kcontrol,
+static void decode_spdif_bits(unsigned char *status, unsigned int bits)
+{
+	status[0] = (bits >> 0) & 0xff;
+	status[1] = (bits >> 8) & 0xff;
+	status[2] = (bits >> 16) & 0xff;
+	status[3] = (bits >> 24) & 0xff;
+}
+
+static int snd_ca0106_spdif_get_default(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
 	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 
-	ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
-	ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
-	ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;
-	ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;
+	decode_spdif_bits(ucontrol->value.iec958.status,
+			  emu->spdif_bits[idx]);
+        return 0;
+}
+
+static int snd_ca0106_spdif_get_stream(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+
+	decode_spdif_bits(ucontrol->value.iec958.status,
+			  emu->spdif_str_bits[idx]);
         return 0;
 }
 
@@ -345,24 +393,48 @@ static int snd_ca0106_spdif_get_mask(struct snd_kcontrol *kcontrol,
         return 0;
 }
 
-static int snd_ca0106_spdif_put(struct snd_kcontrol *kcontrol,
+static unsigned int encode_spdif_bits(unsigned char *status)
+{
+	return ((unsigned int)status[0] << 0) |
+		((unsigned int)status[1] << 8) |
+		((unsigned int)status[2] << 16) |
+		((unsigned int)status[3] << 24);
+}
+
+static int snd_ca0106_spdif_put_default(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
 	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
-	int change;
 	unsigned int val;
 
-	val = (ucontrol->value.iec958.status[0] << 0) |
-	      (ucontrol->value.iec958.status[1] << 8) |
-	      (ucontrol->value.iec958.status[2] << 16) |
-	      (ucontrol->value.iec958.status[3] << 24);
-	change = val != emu->spdif_bits[idx];
-	if (change) {
-		snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, val);
+	val = encode_spdif_bits(ucontrol->value.iec958.status);
+	if (val != emu->spdif_bits[idx]) {
 		emu->spdif_bits[idx] = val;
+		/* FIXME: this isn't safe, but needed to keep the compatibility
+		 * with older alsa-lib config
+		 */
+		emu->spdif_str_bits[idx] = val;
+		ca0106_set_spdif_bits(emu, idx);
+		return 1;
 	}
-        return change;
+	return 0;
+}
+
+static int snd_ca0106_spdif_put_stream(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+	unsigned int val;
+
+	val = encode_spdif_bits(ucontrol->value.iec958.status);
+	if (val != emu->spdif_str_bits[idx]) {
+		emu->spdif_str_bits[idx] = val;
+		ca0106_set_spdif_bits(emu, idx);
+		return 1;
+	}
+        return 0;
 }
 
 static int snd_ca0106_volume_info(struct snd_kcontrol *kcontrol,
@@ -573,8 +645,16 @@ static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
 		.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
 		.count =	4,
 		.info =         snd_ca0106_spdif_info,
-		.get =          snd_ca0106_spdif_get,
-		.put =          snd_ca0106_spdif_put
+		.get =          snd_ca0106_spdif_get_default,
+		.put =          snd_ca0106_spdif_put_default
+	},
+	{
+		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
+		.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
+		.count =	4,
+		.info =         snd_ca0106_spdif_info,
+		.get =          snd_ca0106_spdif_get_stream,
+		.put =          snd_ca0106_spdif_put_stream
 	},
 };
 
@@ -773,3 +853,50 @@ int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)
         return 0;
 }
 
+#ifdef CONFIG_PM
+struct ca0106_vol_tbl {
+	unsigned int channel_id;
+	unsigned int reg;
+};
+
+static struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = {
+	{ CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2 },
+	{ CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2 },
+	{ CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2 },
+	{ CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2 },
+	{ CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1 },
+	{ CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1 },
+	{ CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1 },
+	{ CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1 },
+	{ 1, CAPTURE_CONTROL },
+};
+
+void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip)
+{
+	int i;
+
+	/* save volumes */
+	for (i = 0; i < NUM_SAVED_VOLUMES; i++)
+		chip->saved_vol[i] =
+			snd_ca0106_ptr_read(chip, saved_volumes[i].reg,
+					    saved_volumes[i].channel_id);
+}
+
+void snd_ca0106_mixer_resume(struct snd_ca0106  *chip)
+{
+	int i;
+
+	for (i = 0; i < NUM_SAVED_VOLUMES; i++)
+		snd_ca0106_ptr_write(chip, saved_volumes[i].reg,
+				     saved_volumes[i].channel_id,
+				     chip->saved_vol[i]);
+
+	ca0106_spdif_enable(chip);
+	ca0106_set_capture_source(chip);
+	ca0106_set_i2c_capture_source(chip, chip->i2c_capture_source, 1);
+	for (i = 0; i < 4; i++)
+		ca0106_set_spdif_bits(chip, i);
+	if (chip->details->i2c_adc)
+		ca0106_set_capture_mic_line_in(chip);
+}
+#endif /* CONFIG_PM */

sound/pci/cs46xx/cs46xx_lib.c

@@ -3640,7 +3640,10 @@ int snd_cs46xx_resume(struct pci_dev *pci)
 {
 	struct snd_card *card = pci_get_drvdata(pci);
 	struct snd_cs46xx *chip = card->private_data;
-	int i, amp_saved;
+	int amp_saved;
+#ifdef CONFIG_SND_CS46XX_NEW_DSP
+	int i;
+#endif
 
 	pci_set_power_state(pci, PCI_D0);
 	pci_restore_state(pci);

sound/pci/ice1712/ice1724.c

@@ -382,23 +382,25 @@ static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
 	unsigned char status_mask =
 		VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
 	int handled = 0;
-#ifdef CONFIG_SND_DEBUG
 	int timeout = 0;
-#endif
 
 	while (1) {
 		status = inb(ICEREG1724(ice, IRQSTAT));
 		status &= status_mask;
 		if (status == 0)
 			break;
-#ifdef CONFIG_SND_DEBUG
 		if (++timeout > 10) {
-			printk(KERN_ERR
-			       "ice1724: Too long irq loop, status = 0x%x\n",
-			       status);
+			status = inb(ICEREG1724(ice, IRQSTAT));
+			printk(KERN_ERR "ice1724: Too long irq loop, "
+			       "status = 0x%x\n", status);
+			if (status & VT1724_IRQ_MPU_TX) {
+				printk(KERN_ERR "ice1724: Disabling MPU_TX\n");
+				outb(inb(ICEREG1724(ice, IRQMASK)) |
+				     VT1724_IRQ_MPU_TX,
+				     ICEREG1724(ice, IRQMASK));
+			}
 			break;
 		}
-#endif
 		handled = 1;
 		if (status & VT1724_IRQ_MPU_TX) {
 			spin_lock(&ice->reg_lock);
@@ -2351,7 +2353,6 @@ static int __devinit snd_vt1724_create(struct snd_card *card,
 {
 	struct snd_ice1712 *ice;
 	int err;
-	unsigned char mask;
 	static struct snd_device_ops ops = {
 		.dev_free =	snd_vt1724_dev_free,
 	};
@@ -2412,9 +2413,9 @@ static int __devinit snd_vt1724_create(struct snd_card *card,
 		return -EIO;
 	}
 
-	/* unmask used interrupts */
-	mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
-	outb(mask, ICEREG1724(ice, IRQMASK));
+	/* MPU_RX and TX irq masks are cleared later dynamically */
+	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
+
 	/* don't handle FIFO overrun/underruns (just yet),
 	 * since they cause machine lockups
 	 */

sound/pci/mixart/mixart.c

@@ -1010,7 +1010,7 @@ static int __devinit snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *
 		.dev_free = snd_mixart_chip_dev_free,
 	};
 
-	mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
 	if (! chip) {
 		snd_printk(KERN_ERR "cannot allocate chip\n");
 		return -ENOMEM;
@@ -1025,6 +1025,7 @@ static int __devinit snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *
 		return err;
 	}
 
+	mgr->chip[idx] = chip;
 	snd_card_set_dev(card, &mgr->pci->dev);
 
 	return 0;
@@ -1377,6 +1378,7 @@ static int __devinit snd_mixart_probe(struct pci_dev *pci,
 		sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
 
 		if ((err = snd_mixart_create(mgr, card, i)) < 0) {
+			snd_card_free(card);
 			snd_mixart_free(mgr);
 			return err;
 		}

sound/pci/pcxhr/pcxhr.c

@@ -1024,7 +1024,7 @@ static int __devinit pcxhr_create(struct pcxhr_mgr *mgr, struct snd_card *card,
 		.dev_free = pcxhr_chip_dev_free,
 	};
 
-	mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
 	if (! chip) {
 		snd_printk(KERN_ERR "cannot allocate chip\n");
 		return -ENOMEM;
@@ -1050,6 +1050,7 @@ static int __devinit pcxhr_create(struct pcxhr_mgr *mgr, struct snd_card *card,
 		return err;
 	}
 
+	mgr->chip[idx] = chip;
 	snd_card_set_dev(card, &mgr->pci->dev);
 
 	return 0;
@@ -1310,6 +1311,7 @@ static int __devinit pcxhr_probe(struct pci_dev *pci, const struct pci_device_id
 		sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
 
 		if ((err = pcxhr_create(mgr, card, i)) < 0) {
+			snd_card_free(card);
 			pcxhr_free(mgr);
 			return err;
 		}

sound/pci/riptide/riptide.c

@@ -172,7 +172,7 @@ MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
 
 #define MAX_WRITE_RETRY  10	/* cmd interface limits */
 #define MAX_ERROR_COUNT  10
-#define CMDIF_TIMEOUT    500000
+#define CMDIF_TIMEOUT    50000
 #define RESET_TRIES      5
 
 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))

sound/ppc/pmac.c

@@ -1033,7 +1033,7 @@ static int __init snd_pmac_detect(struct snd_pmac *chip)
 	}
 	if (of_device_is_compatible(sound, "tumbler")) {
 		chip->model = PMAC_TUMBLER;
-		chip->can_capture = 0;  /* no capture */
+		chip->can_capture = machine_is_compatible("PowerMac4,2");
 		chip->can_duplex = 0;
 		// chip->can_byte_swap = 0; /* FIXME: check this */
 		chip->num_freqs = ARRAY_SIZE(tumbler_freqs);

sound/ppc/tumbler.c

@@ -875,7 +875,8 @@ static struct snd_kcontrol_new snapper_mixers[] __initdata = {
 	  .put = tumbler_put_master_switch
 	},
 	DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
-	DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2),
+	/* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
+	DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
 	DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
 	DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
 	DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),

sound/usb/caiaq/caiaq-control.c

@@ -247,69 +247,56 @@ static struct caiaq_controller a8dj_controller[] = {
 	{ "Software lock", 			40 		}
 };
 
-int __devinit snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *dev)
+static int __devinit add_controls(struct caiaq_controller *c, int num,
+				  struct snd_usb_caiaqdev *dev)
 {
-	int i;
+	int i, ret;
 	struct snd_kcontrol *kc;
 
+	for (i = 0; i < num; i++, c++) {
+		kcontrol_template.name = c->name;
+		kcontrol_template.private_value = c->index;
+		kc = snd_ctl_new1(&kcontrol_template, dev);
+		ret = snd_ctl_add(dev->chip.card, kc);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+int __devinit snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *dev)
+{
+	int ret = 0;
+
 	switch (dev->chip.usb_id) {
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
-		for (i = 0; i < ARRAY_SIZE(ak1_controller); i++) {
-			struct caiaq_controller *c = ak1_controller + i;
-			kcontrol_template.name = c->name;
-			kcontrol_template.private_value = c->index;
-			kc = snd_ctl_new1(&kcontrol_template, dev);
-			snd_ctl_add(dev->chip.card, kc);
-		}
-
+		ret = add_controls(ak1_controller,
+			ARRAY_SIZE(ak1_controller), dev);
 		break;
 
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
-		for (i = 0; i < ARRAY_SIZE(rk2_controller); i++) {
-			struct caiaq_controller *c = rk2_controller + i;
-			kcontrol_template.name = c->name;
-			kcontrol_template.private_value = c->index;
-			kc = snd_ctl_new1(&kcontrol_template, dev);
-			snd_ctl_add(dev->chip.card, kc);
-		}
-
+		ret = add_controls(rk2_controller,
+			ARRAY_SIZE(rk2_controller), dev);
 		break;
 
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
-		for (i = 0; i < ARRAY_SIZE(rk3_controller); i++) {
-			struct caiaq_controller *c = rk3_controller + i;
-			kcontrol_template.name = c->name;
-			kcontrol_template.private_value = c->index;
-			kc = snd_ctl_new1(&kcontrol_template, dev);
-			snd_ctl_add(dev->chip.card, kc);
-		}
-
+		ret = add_controls(rk3_controller,
+			ARRAY_SIZE(rk3_controller), dev);
 		break;
 
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
-		for (i = 0; i < ARRAY_SIZE(kore_controller); i++) {
-			struct caiaq_controller *c = kore_controller + i;
-			kcontrol_template.name = c->name;
-			kcontrol_template.private_value = c->index;
-			kc = snd_ctl_new1(&kcontrol_template, dev);
-			snd_ctl_add(dev->chip.card, kc);
-		}
-
+		ret = add_controls(kore_controller,
+			ARRAY_SIZE(kore_controller), dev);
 		break;
 
 	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
-		for (i = 0; i < ARRAY_SIZE(a8dj_controller); i++) {
-			struct caiaq_controller *c = a8dj_controller + i;
-			kcontrol_template.name = c->name;
-			kcontrol_template.private_value = c->index;
-			kc = snd_ctl_new1(&kcontrol_template, dev);
-			snd_ctl_add(dev->chip.card, kc);
-		}
-
+		ret = add_controls(a8dj_controller,
+			ARRAY_SIZE(a8dj_controller), dev);
 		break;
 	}
 
-	return 0;
+	return ret;
 }
 

sound/usb/caiaq/caiaq-device.c

@@ -42,7 +42,7 @@
 #endif
 
 MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
-MODULE_DESCRIPTION("caiaq USB audio, version 1.3.8");
+MODULE_DESCRIPTION("caiaq USB audio, version 1.3.9");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
 			 "{Native Instruments, RigKontrol3},"

sound/usb/usx2y/usb_stream.c

@@ -276,7 +276,8 @@ static void subs_set_complete(struct urb **urbs, void (*complete)(struct urb *))
 	}
 }
 
-int usb_stream_prepare_playback(struct usb_stream_kernel *sk, struct urb *inurb)
+static int usb_stream_prepare_playback(struct usb_stream_kernel *sk,
+		struct urb *inurb)
 {
 	struct usb_stream *s = sk->s;
 	struct urb *io;