diff options
| author | Lopez Cruz, Misael <x0052729@ti.com> | 2009-07-03 11:21:39 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-07-03 14:01:05 +0400 |
| commit | 6814044324e745e7c55aaf4bd47bdfd9a51d842a (patch) | |
| tree | 2360bf2ff173ce77f2894e02ea86df5c80937ef4 /sound/soc | |
| parent | 1b6ebdd7bbdb3fdcab82c8056dbae0c23dbaaf4d (diff) | |
| download | linux-6814044324e745e7c55aaf4bd47bdfd9a51d842a.tar.xz | |
ASoC: TWL4030: Add tristate callbacks for HiFi and Voice
Add "set_tristate" callbacks for HiFi and Voice DAIs.
Machine drivers can enable and disable tristate for each
DAI with "snd_soc_dai_set_tristate" function.
Signed-off-by: Misael Lopez Cruz <x0052729@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/twl4030.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index 6da94cadd157..818fb37bd7f7 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -1849,6 +1849,19 @@ static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, return 0; } +static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate) +{ + struct snd_soc_codec *codec = dai->codec; + u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); + + if (tristate) + reg |= TWL4030_AIF_TRI_EN; + else + reg &= ~TWL4030_AIF_TRI_EN; + + return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg); +} + /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R * (VTXL, VTXR) for uplink has to be enabled/disabled. */ static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction, @@ -2023,6 +2036,19 @@ static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai, return 0; } +static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate) +{ + struct snd_soc_codec *codec = dai->codec; + u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF); + + if (tristate) + reg |= TWL4030_VIF_TRI_EN; + else + reg &= ~TWL4030_VIF_TRI_EN; + + return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg); +} + #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000) #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE) @@ -2032,6 +2058,7 @@ static struct snd_soc_dai_ops twl4030_dai_ops = { .hw_params = twl4030_hw_params, .set_sysclk = twl4030_set_dai_sysclk, .set_fmt = twl4030_set_dai_fmt, + .set_tristate = twl4030_set_tristate, }; static struct snd_soc_dai_ops twl4030_dai_voice_ops = { @@ -2040,6 +2067,7 @@ static struct snd_soc_dai_ops twl4030_dai_voice_ops = { .hw_params = twl4030_voice_hw_params, .set_sysclk = twl4030_voice_set_dai_sysclk, .set_fmt = twl4030_voice_set_dai_fmt, + .set_tristate = twl4030_voice_set_tristate, }; struct snd_soc_dai twl4030_dai[] = { |