From: 钟勇汪 <zyw@rock-chips.com>
Date: Wed, 19 May 2010 02:51:16 +0000 (+0000)
Subject: update backlight
X-Git-Tag: firefly_0821_release~11497
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f6ab6cc1cebc0ccccdad5bc6d0a47dd3a8d90c27;p=firefly-linux-kernel-4.4.55.git

update backlight
---

diff --git a/drivers/video/backlight/rk2818_backlight.c b/drivers/video/backlight/rk2818_backlight.c
index 0f0062fc1ec6..8ece2ec20183 100644
--- a/drivers/video/backlight/rk2818_backlight.c
+++ b/drivers/video/backlight/rk2818_backlight.c
@@ -311,6 +311,11 @@ static int rk2818_backlight_probe(struct platform_device *pdev)
 
     rk2818_mux_api_set(pwm_iomux[id], 1);
 
+    if(rk2818_bl_info->pw_iomux)
+    {
+        rk2818_mux_api_set(rk2818_bl_info->pw_iomux, 0); 
+    }
+
     ret = gpio_request(pin, NULL); 
     if(ret != 0)
     {