diff options
| author | Richard Fitzgerald <rf@opensource.cirrus.com> | 2021-10-15 14:36:15 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-10-15 16:14:19 +0100 |
| commit | 4ae1d8f911d6fc20baefd5eb061bf6964fa22a32 (patch) | |
| tree | adbd339865ca92dbb92bc0ed78cc5bb667f3e82a /sound/soc/codecs/cs42l42.h | |
| parent | 3c211cb7db2905221f9f006aa66b8af17bfcd480 (diff) | |
| download | linux-4ae1d8f911d6fc20baefd5eb061bf6964fa22a32.tar.bz2 | |
ASoC: cs42l42: Allow time for HP/ADC to power-up after enable
After enabling the HP or ADC by writing the corresponding PDN=0,
it takes around 20 milliseconds for it to power up and the midrail
supply to be stable. Add this wait into a DAPM widget callback.
If HP and ADC are both powering up in a DAPM sequence, there's no
need to do the wait twice. The widget will perform one wait in the
POST_PMU if there was a PRE_PMU for one or both.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20211015133619.4698-13-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs42l42.h')
| -rw-r--r-- | sound/soc/codecs/cs42l42.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h index 8734f6828f3e..ded61af6ea8b 100644 --- a/sound/soc/codecs/cs42l42.h +++ b/sound/soc/codecs/cs42l42.h @@ -761,6 +761,7 @@ #define CS42L42_CLOCK_SWITCH_DELAY_US 150 #define CS42L42_PLL_LOCK_POLL_US 250 #define CS42L42_PLL_LOCK_TIMEOUT_US 1250 +#define CS42L42_HP_ADC_EN_TIME_US 20000 static const char *const cs42l42_supply_names[CS42L42_NUM_SUPPLIES] = { "VA", @@ -794,6 +795,7 @@ struct cs42l42_private { u8 hs_bias_ramp_time; u8 hs_bias_sense_en; u8 stream_use; + bool hp_adc_up_pending; }; #endif /* __CS42L42_H__ */ |