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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2011-01-20 05:45:34 +0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-01-21 22:01:46 +0300
commitcb9c130aa97bd41887a0a391388ef4070caab4d9 (patch)
treea5f117c2e7830c8d755913dbc8443ae5dc4a1aa7 /sound/soc/codecs/ak4642.c
parent477adb06bf1638a4f108d155431ec0dd1ff8ba88 (diff)
downloadlinux-cb9c130aa97bd41887a0a391388ef4070caab4d9.tar.xz
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>
Diffstat (limited to 'sound/soc/codecs/ak4642.c')
-rw-r--r--sound/soc/codecs/ak4642.c24
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;
}