Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-13 15:41:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: rt5682: fix the charge pump capacitor discharges

Browse Source 
Due to switching the HV to LV mode while stopping playback,
the charge pump capacitor will be discharged to the source of the pump circuit.
Therefore, this patch removed the event control.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20191118091624.18699-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Shuming Fan 2019-11-18 17:16:24 +08:00 committed by Mark Brown
parent fe23be2d85
commit 44d13f6c2a
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
sound/soc/codecs/rt5682.c
View File

@ -1451,28 +1451,6 @@ static const struct snd_kcontrol_new hpor_switch =
SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT5682_HP_CTRL_1,
RT5682_R_MUTE_SFT, 1, 1);
static int rt5682_charge_pump_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component =
snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_component_update_bits(component,
RT5682_HP_CHARGE_PUMP_1, RT5682_PM_HP_MASK, RT5682_PM_HP_HV);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_component_update_bits(component,
RT5682_HP_CHARGE_PUMP_1, RT5682_PM_HP_MASK, RT5682_PM_HP_LV);
break;
default:
return 0;
}
return 0;
}
static int rt5682_hp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
@ -1756,8 +1734,7 @@ static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("HP Amp R", RT5682_PWR_ANLG_1,
RT5682_PWR_HA_R_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("Charge Pump", 1, RT5682_DEPOP_1,
RT5682_PUMP_EN_SFT, 0, rt5682_charge_pump_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
RT5682_PUMP_EN_SFT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("Capless", 2, RT5682_DEPOP_1,
RT5682_CAPLESS_EN_SFT, 0, NULL, 0),
@ -2655,6 +2632,8 @@ static int rt5682_i2c_probe(struct i2c_client *i2c,
RT5682_HPA_CP_BIAS_CTRL_MASK, RT5682_HPA_CP_BIAS_3UA);
regmap_update_bits(rt5682->regmap, RT5682_CHARGE_PUMP_1,
RT5682_CP_CLK_HP_MASK, RT5682_CP_CLK_HP_300KHZ);
regmap_update_bits(rt5682->regmap, RT5682_HP_CHARGE_PUMP_1,
RT5682_PM_HP_MASK, RT5682_PM_HP_HV);
INIT_DELAYED_WORK(&rt5682->jack_detect_work,
rt5682_jack_detect_handler);