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pwm: pca9685: Use bulk write to atomicially update registers
authorUwe Kleine-König <u.kleine-koenig@baylibre.com>
Tue, 29 Jul 2025 10:36:01 +0000 (12:36 +0200)
committerUwe Kleine-König <ukleinek@kernel.org>
Mon, 15 Sep 2025 09:39:46 +0000 (11:39 +0200)
commitde5855613263b426ee697dd30224322f2e634dec
tree9f4eab38f08fdfad0f5281e1779816f5c43d43a9tree | snapshot
parentca478d8a4b6d342e7df95bcba842301027a3b490commit | diff
pwm: pca9685: Use bulk write to atomicially update registers

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>
drivers/pwm/pwm-pca9685.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git