From: hjc <hjc@rock-chips.com>
Date: Sun, 31 Mar 2013 09:54:10 +0000 (+0800)
Subject: rk3168_86v: fix lcd will show white flicker, when kernel booting
X-Git-Tag: firefly_0821_release~7305
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=628069e6461acadffec9ddc63cc3d81c1acf4968;p=firefly-linux-kernel-4.4.55.git

rk3168_86v: fix lcd will show white flicker, when kernel booting
---

diff --git a/arch/arm/mach-rk30/board-rk3168-86v.c b/arch/arm/mach-rk30/board-rk3168-86v.c
index 88bd54426e97..181360d8cbeb 100755
--- a/arch/arm/mach-rk30/board-rk3168-86v.c
+++ b/arch/arm/mach-rk30/board-rk3168-86v.c
@@ -326,6 +326,7 @@ static int rk29_backlight_io_init(void)
 	int ret = 0;
 
 	iomux_set(PWM_MODE);
+	msleep(30);
 #ifdef  LCD_DISP_ON_PIN
 	ret = gpio_request(BL_EN_PIN, NULL);
 	if (ret != 0) {