ASoC: blackfin: bf5xx-sport: Allow setting rx and tx mask independently

Since the hardware supports it there is no need to artificially limit this to
just being able to set the same mask for both tx and rx.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/blackfin/bf5xx-ac97.c

@@ -231,9 +231,9 @@ static int bf5xx_ac97_resume(struct snd_soc_dai *dai)
 		return 0;
 
 #if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
-	ret = sport_set_multichannel(sport, 16, 0x3FF, 1);
+	ret = sport_set_multichannel(sport, 16, 0x3FF, 0x3FF, 1);
 #else
-	ret = sport_set_multichannel(sport, 16, 0x1F, 1);
+	ret = sport_set_multichannel(sport, 16, 0x1F, 0x1F, 1);
 #endif
 	if (ret) {
 		pr_err("SPORT is busy!\n");
@@ -311,9 +311,9 @@ static int asoc_bfin_ac97_probe(struct platform_device *pdev)
 
 	/*SPORT works in TDM mode to simulate AC97 transfers*/
 #if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
-	ret = sport_set_multichannel(sport_handle, 16, 0x3FF, 1);
+	ret = sport_set_multichannel(sport_handle, 16, 0x3FF, 0x3FF, 1);
 #else
-	ret = sport_set_multichannel(sport_handle, 16, 0x1F, 1);
+	ret = sport_set_multichannel(sport_handle, 16, 0x1F, 0x1F, 1);
 #endif
 	if (ret) {
 		pr_err("SPORT is busy!\n");

sound/soc/blackfin/bf5xx-sport.c

@@ -46,10 +46,10 @@
 /* note: multichannel is in units of 8 channels,
  * tdm_count is # channels NOT / 8 ! */
 int sport_set_multichannel(struct sport_device *sport,
-		int tdm_count, u32 mask, int packed)
+		int tdm_count, u32 tx_mask, u32 rx_mask, int packed)
 {
-	pr_debug("%s tdm_count=%d mask:0x%08x packed=%d\n", __func__,
-			tdm_count, mask, packed);
+	pr_debug("%s tdm_count=%d tx_mask:0x%08x rx_mask:0x%08x packed=%d\n",
+			__func__, tdm_count, tx_mask, rx_mask, packed);
 
 	if ((sport->regs->tcr1 & TSPEN) || (sport->regs->rcr1 & RSPEN))
 		return -EBUSY;
@@ -65,8 +65,8 @@ int sport_set_multichannel(struct sport_device *sport,
 		sport->regs->mcmc2 = FRAME_DELAY | MCMEN | \
 				(packed ? (MCDTXPE|MCDRXPE) : 0);
 
-		sport->regs->mtcs0 = mask;
-		sport->regs->mrcs0 = mask;
+		sport->regs->mtcs0 = tx_mask;
+		sport->regs->mrcs0 = rx_mask;
 		sport->regs->mtcs1 = 0;
 		sport->regs->mrcs1 = 0;
 		sport->regs->mtcs2 = 0;

sound/soc/blackfin/bf5xx-sport.h

@@ -128,7 +128,7 @@ void sport_done(struct sport_device *sport);
 /* note: multichannel is in units of 8 channels, tdm_count is number of channels
  *  NOT / 8 ! all channels are enabled by default */
 int sport_set_multichannel(struct sport_device *sport, int tdm_count,
-		u32 mask, int packed);
+		u32 tx_mask, u32 rx_mask, int packed);
 
 int sport_config_rx(struct sport_device *sport,
 		unsigned int rcr1, unsigned int rcr2,

sound/soc/blackfin/bf5xx-tdm.c

@@ -198,7 +198,7 @@ static int bf5xx_tdm_resume(struct snd_soc_dai *dai)
 	int ret;
 	struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
 
-	ret = sport_set_multichannel(sport, 8, 0xFF, 1);
+	ret = sport_set_multichannel(sport, 8, 0xFF, 0xFF, 1);
 	if (ret) {
 		pr_err("SPORT is busy!\n");
 		ret = -EBUSY;
@@ -265,7 +265,7 @@ static int bfin_tdm_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	/* SPORT works in TDM mode */
-	ret = sport_set_multichannel(sport_handle, 8, 0xFF, 1);
+	ret = sport_set_multichannel(sport_handle, 8, 0xFF, 0xFF, 1);
 	if (ret) {
 		pr_err("SPORT is busy!\n");
 		ret = -EBUSY;