ASoC: cs35l56: Wake transactions need to be issued twice

Browse source

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>

...

This commit is contained in:

Simon Trimmer 2023-10-06 12:10:37 +01:00 • committed by Mark Brown

parent a47cf4dac7

commit 3df761bdbc

No known key found for this signature in database

GPG key ID: 24D68B725D5487D0

2 changed files with 36 additions and 16 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

include/sound/cs35l56.h

View file

51

sound/soc/codecs/cs35l56-shared.c

View file