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Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/rt5677.c24
-rw-r--r--sound/soc/codecs/rt5677.h3
2 files changed, 23 insertions, 4 deletions
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index e5db9dc60378..eb55d6b9d0c1 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -876,6 +876,7 @@ static int rt5677_load_dsp_from_file(struct rt5677_priv *rt5677)
static int rt5677_set_dsp_vad(struct snd_soc_component *component, bool on)
{
struct rt5677_priv *rt5677 = snd_soc_component_get_drvdata(component);
+ rt5677->dsp_vad_en_request = on;
rt5677->dsp_vad_en = on;
if (!IS_ENABLED(CONFIG_SND_SOC_RT5677_SPI))
@@ -969,7 +970,7 @@ static int rt5677_dsp_vad_get(struct snd_kcontrol *kcontrol,
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt5677_priv *rt5677 = snd_soc_component_get_drvdata(component);
- ucontrol->value.integer.value[0] = rt5677->dsp_vad_en;
+ ucontrol->value.integer.value[0] = rt5677->dsp_vad_en_request;
return 0;
}
@@ -4636,14 +4637,15 @@ static int rt5677_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct rt5677_priv *rt5677 = snd_soc_component_get_drvdata(component);
+ enum snd_soc_bias_level prev_bias =
+ snd_soc_component_get_bias_level(component);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
- if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
- rt5677_set_dsp_vad(component, false);
+ if (prev_bias == SND_SOC_BIAS_STANDBY) {
regmap_update_bits(rt5677->regmap, RT5677_PWR_ANLG1,
RT5677_LDO1_SEL_MASK | RT5677_LDO2_SEL_MASK,
@@ -4667,9 +4669,25 @@ static int rt5677_set_bias_level(struct snd_soc_component *component,
break;
case SND_SOC_BIAS_STANDBY:
+ if (prev_bias == SND_SOC_BIAS_OFF &&
+ rt5677->dsp_vad_en_request) {
+ /* Re-enable the DSP if it was turned off at suspend */
+ rt5677->dsp_vad_en = true;
+ /* The delay is to wait for MCLK */
+ schedule_delayed_work(&rt5677->dsp_work,
+ msecs_to_jiffies(1000));
+ }
break;
case SND_SOC_BIAS_OFF:
+ flush_delayed_work(&rt5677->dsp_work);
+ if (rt5677->is_dsp_mode) {
+ /* Turn off the DSP before suspend */
+ rt5677->dsp_vad_en = false;
+ schedule_delayed_work(&rt5677->dsp_work, 0);
+ flush_delayed_work(&rt5677->dsp_work);
+ }
+
regmap_update_bits(rt5677->regmap, RT5677_DIG_MISC, 0x1, 0x0);
regmap_write(rt5677->regmap, RT5677_PWR_DIG1, 0x0000);
regmap_write(rt5677->regmap, RT5677_PWR_ANLG1,
diff --git a/sound/soc/codecs/rt5677.h b/sound/soc/codecs/rt5677.h
index d18b41da1176..046ed2ee8e31 100644
--- a/sound/soc/codecs/rt5677.h
+++ b/sound/soc/codecs/rt5677.h
@@ -1846,7 +1846,8 @@ struct rt5677_priv {
#ifdef CONFIG_GPIOLIB
struct gpio_chip gpio_chip;
#endif
- bool dsp_vad_en; /* DSP VAD enable/disable request */
+ bool dsp_vad_en_request; /* DSP VAD enable/disable request */
+ bool dsp_vad_en; /* dsp_work parameter */
bool is_dsp_mode;
bool is_vref_slow;
struct delayed_work dsp_work;