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ASoC: TWL4030: Add tristate callbacks for HiFi and Voice

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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>
This commit is contained in:
Lopez Cruz, Misael 2009-07-03 02:21:39 -05:00 committed by Mark Brown
parent 1b6ebdd7bb
commit 6814044324
1 changed files with 28 additions and 0 deletions
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28
sound/soc/codecs/twl4030.c
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@ -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[] = {