[PATCH v5 42/46] backlight: lp8788: switch to the atomic PWM API

[Boris Brezillon]

pwm_config/enable/disable() have been deprecated and should be replaced
by pwm_apply_state().

Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
---
 drivers/video/backlight/lp8788_bl.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/video/backlight/lp8788_bl.c 
b/drivers/video/backlight/lp8788_bl.c
index 5d583d7..521c730 100644
--- a/drivers/video/backlight/lp8788_bl.c
+++ b/drivers/video/backlight/lp8788_bl.c
@@ -124,16 +124,13 @@ static int lp8788_backlight_configure(struct lp8788_bl 
*bl)

 static void lp8788_pwm_ctrl(struct lp8788_bl *bl, int br, int max_br)
 {
-       unsigned int period;
-       unsigned int duty;
        struct device *dev;
+       struct pwm_state pstate;
        struct pwm_device *pwm;

        if (!bl->pdata)
                return;

-       period = bl->pdata->period_ns;
-       duty = br * period / max_br;
        dev = bl->lp->dev;

        /* request PWM device with the consumer name */
@@ -147,11 +144,15 @@ static void lp8788_pwm_ctrl(struct lp8788_bl *bl, int br, 
int max_br)
                bl->pwm = pwm;
        }

-       pwm_config(bl->pwm, duty, period);
-       if (duty)
-               pwm_enable(bl->pwm);
+       pwm_get_state(bl->pwm, &pstate);
+       pstate.period = bl->pdata->period_ns;
+       pstate.duty_cycle = br * pstate.period / max_br;
+       if (pstate.duty_cycle)
+               pstate.enabled = true;
        else
-               pwm_disable(bl->pwm);
+               pstate.enabled = false;
+
+       pwm_apply_state(bl->pwm, &pstate);
 }

 static int lp8788_bl_update_status(struct backlight_device *bl_dev)
-- 
2.5.0