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Diffstat (limited to 'sound/soc/codecs/tas2770.c')
-rw-r--r--sound/soc/codecs/tas2770.c57
1 files changed, 30 insertions, 27 deletions
diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index fba4aa27caa3..bb653b664146 100644
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -46,6 +46,26 @@ static void tas2770_reset(struct tas2770_priv *tas2770)
usleep_range(1000, 2000);
}
+static int tas2770_update_pwr_ctrl(struct tas2770_priv *tas2770)
+{
+ struct snd_soc_component *component = tas2770->component;
+ unsigned int val;
+ int ret;
+
+ if (tas2770->dac_powered)
+ val = tas2770->unmuted ?
+ TAS2770_PWR_CTRL_ACTIVE : TAS2770_PWR_CTRL_MUTE;
+ else
+ val = TAS2770_PWR_CTRL_SHUTDOWN;
+
+ ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
+ TAS2770_PWR_CTRL_MASK, val);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
#ifdef CONFIG_PM
static int tas2770_codec_suspend(struct snd_soc_component *component)
{
@@ -82,9 +102,7 @@ static int tas2770_codec_resume(struct snd_soc_component *component)
gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);
usleep_range(1000, 2000);
} else {
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_ACTIVE);
+ ret = tas2770_update_pwr_ctrl(tas2770);
if (ret < 0)
return ret;
}
@@ -120,24 +138,19 @@ static int tas2770_dac_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_POST_PMU:
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_MUTE);
+ tas2770->dac_powered = 1;
+ ret = tas2770_update_pwr_ctrl(tas2770);
break;
case SND_SOC_DAPM_PRE_PMD:
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_SHUTDOWN);
+ tas2770->dac_powered = 0;
+ ret = tas2770_update_pwr_ctrl(tas2770);
break;
default:
dev_err(tas2770->dev, "Not supported evevt\n");
return -EINVAL;
}
- if (ret < 0)
- return ret;
-
- return 0;
+ return ret;
}
static const struct snd_kcontrol_new isense_switch =
@@ -171,21 +184,11 @@ static const struct snd_soc_dapm_route tas2770_audio_map[] = {
static int tas2770_mute(struct snd_soc_dai *dai, int mute, int direction)
{
struct snd_soc_component *component = dai->component;
- int ret;
-
- if (mute)
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_MUTE);
- else
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_ACTIVE);
-
- if (ret < 0)
- return ret;
+ struct tas2770_priv *tas2770 =
+ snd_soc_component_get_drvdata(component);
- return 0;
+ tas2770->unmuted = !mute;
+ return tas2770_update_pwr_ctrl(tas2770);
}
static int tas2770_set_bitwidth(struct tas2770_priv *tas2770, int bitwidth)