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[PATCH v5 41/46] backlight: lp855x: switch to the atomic PWM API

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

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
 drivers/video/backlight/lp855x_bl.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index daca9e6..5468e7a 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -235,8 +235,7 @@ err:
 
 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_state pstate;
 	struct pwm_device *pwm;
 
 	/* request pwm device with the consumer name */
@@ -248,11 +247,15 @@ static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br)
 		lp->pwm = pwm;
 	}
 
-	pwm_config(lp->pwm, duty, period);
-	if (duty)
-		pwm_enable(lp->pwm);
+	pwm_get_state(lp->pwm, &pstate);
+	pstate.period = lp->pdata->period_ns;
+	pstate.duty_cycle = br * pstate.period / max_br;
+	if (pstate.duty_cycle)
+		pstate.enabled = true;
 	else
-		pwm_disable(lp->pwm);
+		pstate.enabled = false;
+
+	pwm_apply_state(lp->pwm, &pstate);
 }
 
 static int lp855x_bl_update_status(struct backlight_device *bl)
-- 
2.5.0

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[PATCH v5 41/46] backlight: lp855x: switch to the atomic PWM API Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-30 22:10 +0200

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