ASoC: Implement WM8994 DAI tristate support
This also adds the first DAI operation for AIF3 so fill out the ID and
the ops for that too.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 29f3771..d01d309 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3332,6 +3332,36 @@
return 0;
}
+static int wm8994_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ int reg, val, mask;
+
+ switch (codec_dai->id) {
+ case 1:
+ reg = WM8994_AIF1_MASTER_SLAVE;
+ mask = WM8994_AIF1_TRI;
+ break;
+ case 2:
+ reg = WM8994_AIF2_MASTER_SLAVE;
+ mask = WM8994_AIF2_TRI;
+ break;
+ case 3:
+ reg = WM8994_POWER_MANAGEMENT_6;
+ mask = WM8994_AIF3_TRI;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (tristate)
+ val = mask;
+ else
+ val = 0;
+
+ return snd_soc_update_bits(codec, reg, mask, reg);
+}
+
#define WM8994_RATES SNDRV_PCM_RATE_8000_96000
#define WM8994_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
@@ -3343,6 +3373,7 @@
.hw_params = wm8994_hw_params,
.digital_mute = wm8994_aif_mute,
.set_pll = wm8994_set_fll,
+ .set_tristate = wm8994_set_tristate,
};
static struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
@@ -3351,6 +3382,11 @@
.hw_params = wm8994_hw_params,
.digital_mute = wm8994_aif_mute,
.set_pll = wm8994_set_fll,
+ .set_tristate = wm8994_set_tristate,
+};
+
+static struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
+ .set_tristate = wm8994_set_tristate,
};
struct snd_soc_dai wm8994_dai[] = {
@@ -3394,6 +3430,7 @@
},
{
.name = "WM8994 AIF3",
+ .id = 3,
.playback = {
.stream_name = "AIF3 Playback",
.channels_min = 2,
@@ -3408,6 +3445,7 @@
.rates = WM8994_RATES,
.formats = WM8994_FORMATS,
},
+ .ops = &wm8994_aif3_dai_ops,
}
};
EXPORT_SYMBOL_GPL(wm8994_dai);