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video: backlight: pwm_bl: fix backlight polarity

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Backlight polarity not works without pwm_adjust_config.

Change-Id: I11e5eefe340f758b6721021f13238306b3721270
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao
2017-03-17 17:31:33 +08:00
committed by Tao Huang
parent fece037fac
commit 5e4cf93c05
1 changed files with 2 additions and 0 deletions
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2
drivers/video/backlight/pwm_bl.c
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@@ -601,6 +601,8 @@ static int pwm_backlight_probe(struct platform_device *pdev)
pb->scale = data->max_brightness;
}
pwm_adjust_config(pb->pwm);
pb->lth_brightness = data->lth_brightness * (div_u64(state.period,
pb->scale));