ASoC: ak4642: add SND_SOC_DAIFMT_FORMAT support

This patch support LEFT_J / I2S only for now

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index f00eba313dfd..4be0570e3f1f 100644
--- 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;
 }