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@xxxxxx> --- V1 -> V2: Initialize variable and simply conditional loop V2 -> V3: Fix assignment of NULL variable V3 -> V4: Replace division for pwm_set_relative_duty_cycle --- drivers/video/backlight/lp855x_bl.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index e94932c69f54..bbf24564082a 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -233,9 +233,8 @@ static int lp855x_configure(struct lp855x *lp) 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) { @@ -245,18 +244,15 @@ static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br) lp->pwm = pwm; - /* - * FIXME: pwm_apply_args() should be removed when switching to - * the atomic PWM API. - */ - pwm_apply_args(pwm); + pwm_init_state(lp->pwm, &state); + state.period = lp->pdata->period_ns; } - pwm_config(lp->pwm, duty, period); - if (duty) - pwm_enable(lp->pwm); - else - pwm_disable(lp->pwm); + pwm_get_state(lp->pwm, &state); + pwm_set_relative_duty_cycle(&state, br, max_br); + state.enabled = state.duty_cycle; + + pwm_apply_state(lp->pwm, &state); } static int lp855x_bl_update_status(struct backlight_device *bl) -- 2.31.1