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authorDerek Fang2021-11-09 17:54:49 +0800
committerMark Brown2021-11-12 18:16:42 +0000
commita3774a2a6544a7a4a85186e768afc07044aa507f (patch)
treed54b7107e36abfca50d90243bec6fa8bac01cf0d /sound/soc/codecs/rt5682.c
parenta382285b6feda8db56955e5897453405c198048d (diff)
ASoC: rt5682: Avoid the unexpected IRQ event during going to suspend
When the system suspends, the codec driver will set SAR to power saving mode if a headset is plugged in. There is a chance to generate an unexpected IRQ, and leads to issues after resuming such as noise from OMTP type headsets. Signed-off-by: Derek Fang <derek.fang@realtek.com> Link: https://lore.kernel.org/r/20211109095450.12950-1-derek.fang@realtek.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt5682.c')
-rw-r--r--sound/soc/codecs/rt5682.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index 78b4cb5fb6c8..a486ac268c33 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -48,6 +48,7 @@ static const struct reg_sequence patch_list[] = {
{RT5682_SAR_IL_CMD_6, 0x0110},
{RT5682_CHARGE_PUMP_1, 0x0210},
{RT5682_HP_LOGIC_CTRL_2, 0x0007},
+ {RT5682_SAR_IL_CMD_2, 0xac00},
};
void rt5682_apply_patch_list(struct rt5682_priv *rt5682, struct device *dev)
@@ -2943,9 +2944,6 @@ static int rt5682_suspend(struct snd_soc_component *component)
cancel_delayed_work_sync(&rt5682->jack_detect_work);
cancel_delayed_work_sync(&rt5682->jd_check_work);
if (rt5682->hs_jack && rt5682->jack_type == SND_JACK_HEADSET) {
- snd_soc_component_update_bits(component, RT5682_CBJ_CTRL_1,
- RT5682_MB1_PATH_MASK | RT5682_MB2_PATH_MASK,
- RT5682_CTRL_MB1_REG | RT5682_CTRL_MB2_REG);
val = snd_soc_component_read(component,
RT5682_CBJ_CTRL_2) & RT5682_JACK_TYPE_MASK;
@@ -2967,10 +2965,15 @@ static int rt5682_suspend(struct snd_soc_component *component)
/* enter SAR ADC power saving mode */
snd_soc_component_update_bits(component, RT5682_SAR_IL_CMD_1,
RT5682_SAR_BUTT_DET_MASK | RT5682_SAR_BUTDET_MODE_MASK |
- RT5682_SAR_BUTDET_RST_MASK | RT5682_SAR_SEL_MB1_MB2_MASK, 0);
+ RT5682_SAR_SEL_MB1_MB2_MASK, 0);
+ usleep_range(5000, 6000);
+ snd_soc_component_update_bits(component, RT5682_CBJ_CTRL_1,
+ RT5682_MB1_PATH_MASK | RT5682_MB2_PATH_MASK,
+ RT5682_CTRL_MB1_REG | RT5682_CTRL_MB2_REG);
+ usleep_range(10000, 12000);
snd_soc_component_update_bits(component, RT5682_SAR_IL_CMD_1,
- RT5682_SAR_BUTT_DET_MASK | RT5682_SAR_BUTDET_MODE_MASK | RT5682_SAR_BUTDET_RST_MASK,
- RT5682_SAR_BUTT_DET_EN | RT5682_SAR_BUTDET_POW_SAV | RT5682_SAR_BUTDET_RST_NORMAL);
+ RT5682_SAR_BUTT_DET_MASK | RT5682_SAR_BUTDET_MODE_MASK,
+ RT5682_SAR_BUTT_DET_EN | RT5682_SAR_BUTDET_POW_SAV);
}
regcache_cache_only(rt5682->regmap, true);