This is a note to let you know that I've just added the patch titled
pwm: cros-ec: Explicitly set .polarity in .get_state()
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pwm-cros-ec-explicitly-set-.polarity-in-.get_state.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 61fc49be27e8a2096f5e57446da37072771f526a
Author: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Date: Wed Mar 22 22:45:41 2023 +0100
pwm: cros-ec: Explicitly set .polarity in .get_state()
[ Upstream commit 30006b77c7e130e01d1ab2148cc8abf73dfcc4bf ]
The driver only supports normal polarity. Complete the implementation of
.get_state() by setting .polarity accordingly.
Reviewed-by: Guenter Roeck <groeck@xxxxxxxxxxxx>
Fixes: 1f0d3bb02785 ("pwm: Add ChromeOS EC PWM driver")
Link: https://lore.kernel.org/r/20230228135508.1798428-3-u.kleine-koenig@xxxxxxxxxxxxxx
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/pwm/pwm-cros-ec.c b/drivers/pwm/pwm-cros-ec.c
index 98f6ac6cf6ab4..bedf6298acfbb 100644
--- a/drivers/pwm/pwm-cros-ec.c
+++ b/drivers/pwm/pwm-cros-ec.c
@@ -125,6 +125,7 @@ static void cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
state->enabled = (ret > 0);
state->period = EC_PWM_MAX_DUTY;
+ state->polarity = PWM_POLARITY_NORMAL;
/* Note that "disabled" and "duty cycle == 0" are treated the same */
state->duty_cycle = ret;
