|
@@ -1,3 +1,22 @@
|
|
|
+/*
|
|
|
+ * sound/soc/codecs/si476x.c -- Codec driver for SI476X chips
|
|
|
+ *
|
|
|
+ * Copyright (C) 2012 Innovative Converged Devices(ICD)
|
|
|
+ * Copyright (C) 2013 Andrey Smirnov
|
|
|
+ *
|
|
|
+ * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
|
|
|
+ *
|
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
|
+ * the Free Software Foundation; version 2 of the License.
|
|
|
+ *
|
|
|
+ * This program is distributed in the hope that it will be useful, but
|
|
|
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
+ * General Public License for more details.
|
|
|
+ *
|
|
|
+ */
|
|
|
+
|
|
|
#include <linux/module.h>
|
|
|
#include <linux/slab.h>
|
|
|
#include <sound/pcm.h>
|
|
@@ -45,13 +64,23 @@ static unsigned int si476x_codec_read(struct snd_soc_codec *codec,
|
|
|
unsigned int reg)
|
|
|
{
|
|
|
int err;
|
|
|
+ unsigned int val;
|
|
|
struct si476x_core *core = codec->control_data;
|
|
|
|
|
|
si476x_core_lock(core);
|
|
|
- err = si476x_core_cmd_get_property(core, reg);
|
|
|
+ if (!si476x_core_is_powered_up(core))
|
|
|
+ regcache_cache_only(core->regmap, true);
|
|
|
+
|
|
|
+ err = regmap_read(core->regmap, reg, &val);
|
|
|
+
|
|
|
+ if (!si476x_core_is_powered_up(core))
|
|
|
+ regcache_cache_only(core->regmap, false);
|
|
|
si476x_core_unlock(core);
|
|
|
|
|
|
- return err;
|
|
|
+ if (err < 0)
|
|
|
+ return err;
|
|
|
+
|
|
|
+ return val;
|
|
|
}
|
|
|
|
|
|
static int si476x_codec_write(struct snd_soc_codec *codec,
|
|
@@ -61,7 +90,13 @@ static int si476x_codec_write(struct snd_soc_codec *codec,
|
|
|
struct si476x_core *core = codec->control_data;
|
|
|
|
|
|
si476x_core_lock(core);
|
|
|
- err = si476x_core_cmd_set_property(core, reg, val);
|
|
|
+ if (!si476x_core_is_powered_up(core))
|
|
|
+ regcache_cache_only(core->regmap, true);
|
|
|
+
|
|
|
+ err = regmap_write(core->regmap, reg, val);
|
|
|
+
|
|
|
+ if (!si476x_core_is_powered_up(core))
|
|
|
+ regcache_cache_only(core->regmap, false);
|
|
|
si476x_core_unlock(core);
|
|
|
|
|
|
return err;
|
|
@@ -140,7 +175,7 @@ static int si476x_codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
|
|
|
dev_err(codec_dai->codec->dev, "Failed to set output format\n");
|
|
|
return err;
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
@@ -182,7 +217,7 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
|
|
|
|
|
|
err = snd_soc_update_bits(dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
|
|
|
SI476X_DIGITAL_IO_OUTPUT_WIDTH_MASK,
|
|
|
- (width << SI476X_DIGITAL_IO_SLOT_SIZE_SHIFT) |
|
|
|
+ (width << SI476X_DIGITAL_IO_SLOT_SIZE_SHIFT) |
|
|
|
(width << SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT));
|
|
|
if (err < 0) {
|
|
|
dev_err(dai->codec->dev, "Failed to set output width\n");
|
|
@@ -251,6 +286,6 @@ static struct platform_driver si476x_platform_driver = {
|
|
|
};
|
|
|
module_platform_driver(si476x_platform_driver);
|
|
|
|
|
|
-MODULE_AUTHOR("Andrey Smirnov <andrey.smirnov@convergeddevices.net>");
|
|
|
+MODULE_AUTHOR("Andrey Smirnov <andrew.smirnov@gmail.com>");
|
|
|
MODULE_DESCRIPTION("ASoC Si4761/64 codec driver");
|
|
|
MODULE_LICENSE("GPL");
|