ASoC: ak4642: add SND_SOC_DAIFMT_FORMAT support

[pandora-kernel.git] / sound / soc / codecs / ak4642.c

diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index f00eba3..4be0570 100644 (file)
--- a/sound/soc/codecs/ak4642.c
+++ b/sound/soc/codecs/ak4642.c
@@ -116,6 +116,12 @@
 #define BCKO_MASK      (1 << 3)
 #define BCKO_64                BCKO_MASK
 
+#define DIF_MASK       (3 << 0)
+#define DSP            (0 << 0)
+#define RIGHT_J                (1 << 0)
+#define LEFT_J         (2 << 0)
+#define I2S            (3 << 0)
+
 /* MD_CTL2 */
 #define FS0            (1 << 0)
 #define FS1            (1 << 1)
@@ -354,6 +360,24 @@ static int ak4642_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
        snd_soc_update_bits(codec, PW_MGMT2, MS, data);
        snd_soc_update_bits(codec, MD_CTL1, BCKO_MASK, bcko);
 
+       /* format type */
+       data = 0;
+       switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+       case SND_SOC_DAIFMT_LEFT_J:
+               data = LEFT_J;
+               break;
+       case SND_SOC_DAIFMT_I2S:
+               data = I2S;
+               break;
+       /* FIXME
+        * Please add RIGHT_J / DSP support here
+        */
+       default:
+               return -EINVAL;
+               break;
+       }
+       snd_soc_update_bits(codec, MD_CTL1, DIF_MASK, data);
+
        return 0;
 }