diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-22 22:05:10 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-23 10:57:11 +0000 |
| commit | 778a76e2dbdb896d005849e9e74518d6aba85671 (patch) | |
| tree | 37559db6336d9b6f86ce978bce9c3718102cef0c /sound/soc/codecs/wm8994.c | |
| parent | 74511020dde10252f8b8e648690d99dba721de14 (diff) | |
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>
Diffstat (limited to 'sound/soc/codecs/wm8994.c')
| -rw-r--r-- | sound/soc/codecs/wm8994.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 29f3771c33a..d01d3091fe8 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -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); |