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@xxxxxx>
---
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 6da94ca..818fb37 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[] = {
--
1.5.4.3
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