diff options
| author | Simon Trimmer <simont@opensource.cirrus.com> | 2023-10-06 12:10:37 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-10-06 12:30:27 +0100 |
| commit | 3df761bdbc8bc1bb679b5a4d4e068728d930a552 (patch) | |
| tree | b8d0c0bd2cad290d71d315d3dc14eb0c040a7ee9 /include/sound | |
| parent | a47cf4dac7dcc43ef25d009ca0ad28fc86ba0eef (diff) | |
ASoC: cs35l56: Wake transactions need to be issued twice
As the dummy wake is a toggling signal (either I2C or SPI activity) it
is not guaranteed to meet the minimum asserted hold time for a wake
signal. In this case the wake must guarantee rising edges separated by
at least the minimum hold time.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20231006111039.101914-3-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/cs35l56.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sound/cs35l56.h b/include/sound/cs35l56.h index 762b96b29211..8c18e8b6d27d 100644 --- a/include/sound/cs35l56.h +++ b/include/sound/cs35l56.h @@ -243,6 +243,7 @@ #define CS35L56_HALO_STATE_POLL_US 1000 #define CS35L56_HALO_STATE_TIMEOUT_US 50000 #define CS35L56_RESET_PULSE_MIN_US 1100 +#define CS35L56_WAKE_HOLD_TIME_US 1000 #define CS35L56_SDW1_PLAYBACK_PORT 1 #define CS35L56_SDW1_CAPTURE_PORT 3 |