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authorBoris BREZILLON <boris.brezillon@free-electrons.com>2016-03-30 22:03:25 +0200
committerThierry Reding <thierry.reding@gmail.com>2016-05-17 14:44:58 +0200
commit7f044b09b68d36811518c55f736a20648e8ed6e2 (patch)
tree78040e859d1a61bdda2c2ea356ae5049361039ac
parent3587c260906259632df07652743269627f408d85 (diff)
backlight: pwm_bl: Remove useless call to pwm_set_period()
The PWM period will be set when calling pwm_config. Remove this useless call to pwm_set_period(), which might mess up the internal PWM state. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
-rw-r--r--drivers/video/backlight/pwm_bl.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 64f9e1b..a33a290 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -313,10 +313,8 @@ static int pwm_backlight_probe(struct platform_device *pdev)
* via the PWM lookup table.
*/
pb->period = pwm_get_period(pb->pwm);
- if (!pb->period && (data->pwm_period_ns > 0)) {
+ if (!pb->period && (data->pwm_period_ns > 0))
pb->period = data->pwm_period_ns;
- pwm_set_period(pb->pwm, data->pwm_period_ns);
- }
pb->lth_brightness = data->lth_brightness * (pb->period / pb->scale);