pwm_backlight_probe() re-assigns pb->levels for every brightness level. This is not needed and was likely not intended, since neither side of the assignment changes during the loop. Assign the field only once.
Signed-off-by: Matthias Kaehlcke mka@chromium.org ---
drivers/video/backlight/pwm_bl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 746eebc411df..959436b9e92b 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -564,6 +564,8 @@ static int pwm_backlight_probe(struct platform_device *pdev) memset(&props, 0, sizeof(struct backlight_properties));
if (data->levels) { + pb->levels = data->levels; + /* * For the DT case, only when brightness levels is defined * data->levels is filled. For the non-DT case, data->levels @@ -572,8 +574,6 @@ static int pwm_backlight_probe(struct platform_device *pdev) for (i = 0; i <= data->max_brightness; i++) { if (data->levels[i] > pb->scale) pb->scale = data->levels[i]; - - pb->levels = data->levels; }
if (pwm_backlight_is_linear(data))