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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 Huang, Tao
parent b20e10aa93
commit e16d8ea934
1 changed files with 1 additions and 0 deletions
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drivers/video/backlight/pwm_bl.c
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@ -307,6 +307,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "got pwm for backlight\n");
pwm_adjust_config(pb->pwm);
/*
* The DT case will set the pwm_period_ns field to 0 and store the
* period, parsed from the DT, in the PWM device. For the non-DT case,