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ASoC: Implement WM8994 DAI tristate support

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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>
This commit is contained in:
Mark Brown 2010-03-22 22:05:10 +00:00
parent 74511020dd
commit 778a76e2db
1 changed files with 38 additions and 0 deletions
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38
sound/soc/codecs/wm8994.c
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@ -3332,6 +3332,36 @@ static int wm8994_aif_mute(struct snd_soc_dai *codec_dai, int mute)
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 @@ static struct snd_soc_dai_ops wm8994_aif1_dai_ops = {
.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 @@ static struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
.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 @@ struct snd_soc_dai wm8994_dai[] = {
},
{
.name = "WM8994 AIF3",
.id = 3,
.playback = {
.stream_name = "AIF3 Playback",
.channels_min = 2,
@ -3408,6 +3445,7 @@ struct snd_soc_dai wm8994_dai[] = {
.rates = WM8994_RATES,
.formats = WM8994_FORMATS,
},
.ops = &wm8994_aif3_dai_ops,
}
};
EXPORT_SYMBOL_GPL(wm8994_dai);