From: zyw <zyw@rock-chips.com>
Date: Fri, 18 Feb 2011 09:57:31 +0000 (+0800)
Subject: pull down hsync vsync den, when suspend
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=42566cbff5d82b1004e45cc489375dfe39e840fd;p=firefly-linux-kernel-4.4.55.git

pull down hsync vsync den, when suspend
---

diff --git a/drivers/video/rk29_fb.c b/drivers/video/rk29_fb.c
index ab312261cb0e..83d2af74aab0 100644
--- a/drivers/video/rk29_fb.c
+++ b/drivers/video/rk29_fb.c
@@ -1955,6 +1955,8 @@ static int rk29fb_suspend(struct platform_device *pdev, pm_message_t mesg)
         printk("inf==0, rk29fb_suspend fail! \n");
         return 0;
     }
+    LcdMskReg(inf, DSP_CTRL0, m_HSYNC_POLARITY | m_VSYNC_POLARITY | m_DEN_POLARITY ,
+       v_HSYNC_POLARITY(1) | v_VSYNC_POLARITY(1) | v_DEN_POLARITY(1) );
 
     LcdMskReg(inf, DSP_CTRL1, m_BLANK_MODE , v_BLANK_MODE(1));
     LcdMskReg(inf, SYS_CONFIG, m_STANDBY, v_STANDBY(1));
@@ -1985,6 +1987,7 @@ static int rk29fb_suspend(struct platform_device *pdev, pm_message_t mesg)
 static int rk29fb_resume(struct platform_device *pdev)
 {
     struct rk29fb_inf *inf = platform_get_drvdata(pdev);
+    struct rk29fb_screen *screen = inf->cur_screen;
 
     fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
 
@@ -2014,6 +2017,9 @@ static int rk29fb_resume(struct platform_device *pdev)
     LcdMskReg(inf, SYS_CONFIG, m_STANDBY, v_STANDBY(0));
     LcdWrReg(inf, REG_CFG_DONE, 0x01);
 
+    LcdMskReg(inf, DSP_CTRL0, m_HSYNC_POLARITY | m_VSYNC_POLARITY | m_DEN_POLARITY ,
+       v_HSYNC_POLARITY(screen->pin_hsync) | v_VSYNC_POLARITY(screen->pin_vsync) | v_DEN_POLARITY(screen->pin_den) );
+
 	return 0;
 }