ALSA: ASoC: tlv320aic3x add dsp_a

Add SND_SOC_DAIFMT_DSP_A mode option.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 8da9e5d2e2fb..b47a749c5ea2 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -891,6 +891,7 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai,
         struct snd_soc_codec *codec = codec_dai->codec;
         struct aic3x_priv *aic3x = codec->private_data;
         u8 iface_areg, iface_breg;
+        int delay = 0;
 
         iface_areg = aic3x_read_reg_cache(codec, AIC3X_ASD_INTF_CTRLA) & 0x3f;
         iface_breg = aic3x_read_reg_cache(codec, AIC3X_ASD_INTF_CTRLB) & 0x3f;
@@ -916,6 +917,8 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai,
                        SND_SOC_DAIFMT_INV_MASK)) {
         case (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF):
                 break;
+        case (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF):
+                delay = 1;
         case (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF):
                 iface_breg |= (0x01 << 6);
                 break;
@@ -932,6 +935,7 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai,
         /* set iface */
         aic3x_write(codec, AIC3X_ASD_INTF_CTRLA, iface_areg);
         aic3x_write(codec, AIC3X_ASD_INTF_CTRLB, iface_breg);
+        aic3x_write(codec, AIC3X_ASD_INTF_CTRLC, delay);
 
         return 0;
 }
diff --git a/sound/soc/codecs/tlv320aic3x.h b/sound/soc/codecs/tlv320aic3x.h
index 73e35b6ec929..ac827e578c4d 100644
--- a/sound/soc/codecs/tlv320aic3x.h
+++ b/sound/soc/codecs/tlv320aic3x.h
@@ -35,6 +35,8 @@
 #define AIC3X_ASD_INTF_CTRLA            8
 /* Audio serial data interface control register B */
 #define AIC3X_ASD_INTF_CTRLB            9
+/* Audio serial data interface control register C */
+#define AIC3X_ASD_INTF_CTRLC            10
 /* Audio overflow status and PLL R value programming register */
 #define AIC3X_OVRF_STATUS_AND_PLLR_REG  11
 /* Audio codec digital filter control register */