diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2023-04-24 07:31:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-26 11:27:42 +0200 |
| commit | 155b2586de3f171d46c8a1955990d4676487501e (patch) | |
| tree | 72418b66fc8b0e6f5c2c42317072750e7931a912 | |
| parent | 1c3a1211370dcaf509bac72ff258c813cc42a6eb (diff) | |
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: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/pwm/pwm-hibvt.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-hibvt.c b/drivers/pwm/pwm-hibvt.c index ad205fdad372..286e9b119ee5 100644 --- a/drivers/pwm/pwm-hibvt.c +++ b/drivers/pwm/pwm-hibvt.c @@ -146,6 +146,7 @@ static void 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; } static int hibvt_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, |