[PATCH] backlight: lp855x: Switch to atomic PWM API
Maíra Canal
maira.canal at usp.br
Sat Oct 23 13:48:38 UTC 2021
Remove legacy PWM interface (pwm_config, pwm_enable, pwm_disable) and
replace it for the atomic PWM API.
Signed-off-by: Maíra Canal <maira.canal at usp.br>
---
drivers/video/backlight/lp855x_bl.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index e94932c69f54..dd63141a0d26 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -236,6 +236,7 @@ static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br)
unsigned int period = lp->pdata->period_ns;
unsigned int duty = br * period / max_br;
struct pwm_device *pwm;
+ struct pwm_state state;
/* request pwm device with the consumer name */
if (!lp->pwm) {
@@ -244,19 +245,19 @@ static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br)
return;
lp->pwm = pwm;
-
- /*
- * FIXME: pwm_apply_args() should be removed when switching to
- * the atomic PWM API.
- */
- pwm_apply_args(pwm);
}
- pwm_config(lp->pwm, duty, period);
+ pwm_init_state(pwm, &state);
+
+ state.duty_cycle = duty;
+ state.period = period;
+
if (duty)
- pwm_enable(lp->pwm);
+ state.enabled = true;
else
- pwm_disable(lp->pwm);
+ state.enabled = false;
+
+ pwm_apply_state(pwm, &state);
}
static int lp855x_bl_update_status(struct backlight_device *bl)
--
2.31.1
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