From 5e4cf93c05074486c64236dcc17180763030c3dd Mon Sep 17 00:00:00 2001
From: Mark Yao <mark.yao@rock-chips.com>
Date: Fri, 17 Mar 2017 17:31:33 +0800
Subject: [PATCH] video: backlight: pwm_bl: fix backlight polarity

Backlight polarity not works without pwm_adjust_config.

Change-Id: I11e5eefe340f758b6721021f13238306b3721270
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---
 drivers/video/backlight/pwm_bl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index dfc760830eb9..9a473c89e0f0 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -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));