[PATCH] backlight: lp855x: Switch to atomic PWM API

[Maíra Canal]

Remove legacy PWM interface (pwm_config, pwm_enable, pwm_disable) and
replace it for the atomic PWM API.

Signed-off-by: Maíra Canal <maira.ca...@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