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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-03-23 00:45:40 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-04-13 17:55:18 +0300
commit98ba763cc91c8e0117ccc28e300640eee52f9b44 (patch)
tree78519cd1958bf42ad29a3a711b41b96b653762bb /drivers/pwm
parent547cc8dae2474605490912c64123c3df7f36df38 (diff)
downloadlinux-98ba763cc91c8e0117ccc28e300640eee52f9b44.tar.xz
pwm: hibvt: Explicitly set .polarity in .get_state()
[ Upstream commit 6f57937980142715e927697a6ffd2050f38ed6f6 ] The driver only both polarities. Complete the implementation of .get_state() by setting .polarity according to the configured hardware state. Fixes: d09f00810850 ("pwm: Add PWM driver for HiSilicon BVT SOCs") Link: https://lore.kernel.org/r/20230228135508.1798428-2-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/pwm-hibvt.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-hibvt.c b/drivers/pwm/pwm-hibvt.c
index 12c05c155cab..1b9274c5ad87 100644
--- a/drivers/pwm/pwm-hibvt.c
+++ b/drivers/pwm/pwm-hibvt.c
@@ -146,6 +146,7 @@ static int hibvt_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
value = readl(base + PWM_CTRL_ADDR(pwm->hwpwm));
state->enabled = (PWM_ENABLE_MASK & value);
+ state->polarity = (PWM_POLARITY_MASK & value) ? PWM_POLARITY_INVERSED : PWM_POLARITY_NORMAL;
return 0;
}