pwm: pca9685: Use bulk write to atomicially update registers

Browse source

The output of a PWM channel is configured by four register values. Write
them in a single i2c transaction to ensure glitch free updates.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/bfa8c0267c9ec059d0d77f146998d564654c75ca.1753784092.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>

...

This commit is contained in:

Uwe Kleine-König 2025-07-29 12:36:01 +02:00 • committed by Uwe Kleine-König

parent ca478d8a4b

commit de58556132

1 changed files with 29 additions and 17 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

46

drivers/pwm/pwm-pca9685.c

View file