diff options
| author |   Richard Fitzgerald <rf@opensource.cirrus.com> | 2021-03-06 18:55:51 +0000 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2021-03-10 13:14:29 +0000 |
| commit | 0ea23660c7170124fc06ec363b4d2adfa350cf2f (patch) | |
| tree | 95f6ee9b83bf6f0394a27d5aed7a944c464d0541 /sound/soc/codecs/cs42l42.h | |
| parent | ASoC: cs42l42: Use bclk from hw_params if set_sysclk was not called (diff) | |
| download | wireguard-linux-0ea23660c7170124fc06ec363b4d2adfa350cf2f.tar.xz wireguard-linux-0ea23660c7170124fc06ec363b4d2adfa350cf2f.zip | |
ASoC: cs42l42: Wait at least 150us after writing SCLK_PRESENT
There must be a delay of at least 150us after writing SCLK_PRESENT
before issuing another I2C write.
This is done using struct reg_sequence because it can specify a delay
after the write and the whole sequence is written atomically.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210306185553.62053-14-tanureal@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 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h index 429c6833fc81..214cee762709 100644 --- a/sound/soc/codecs/cs42l42.h +++ b/sound/soc/codecs/cs42l42.h @@ -755,6 +755,7 @@ #define CS42L42_NUM_SUPPLIES 5 #define CS42L42_BOOT_TIME_US 3000 +#define CS42L42_CLOCK_SWITCH_DELAY_US 150 static const char *const cs42l42_supply_names[CS42L42_NUM_SUPPLIES] = { "VA", |