From: hjc <hjc@rock-chips.com>
Date: Tue, 15 Apr 2014 07:17:03 +0000 (+0800)
Subject: rk3288 lvds: set lvds into low power mode
X-Git-Tag: firefly_0821_release~5552
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6192217bcb5fef2a0525869930e3100b12a3eb9a;p=firefly-linux-kernel-4.4.55.git

rk3288 lvds: set lvds into low power mode
---

diff --git a/drivers/video/rockchip/transmitter/rk32_lvds.c b/drivers/video/rockchip/transmitter/rk32_lvds.c
index 44db0a24d70c..0e0b3d288cad 100755
--- a/drivers/video/rockchip/transmitter/rk32_lvds.c
+++ b/drivers/video/rockchip/transmitter/rk32_lvds.c
@@ -19,7 +19,7 @@ static struct rk32_lvds *rk32_lvds;
 static int rk32_lvds_disable(void)
 {
 	struct rk32_lvds *lvds = rk32_lvds;
-	writel_relaxed(0x80008000, RK_GRF_VIRT + RK3288_GRF_SOC_CON7);
+	writel_relaxed(0xffff8000, RK_GRF_VIRT + RK3288_GRF_SOC_CON7);
 	writel_relaxed(0x00, lvds->regs + LVDS_CFG_REG_21); /*disable tx*/
 	writel_relaxed(0xff, lvds->regs + LVDS_CFG_REG_c); /*disable pll*/
 	clk_disable_unprepare(lvds->clk);
@@ -259,7 +259,8 @@ static int rk32_lvds_probe(struct platform_device *pdev)
 	if ((lvds->screen.type != SCREEN_RGB) && 
 		(lvds->screen.type != SCREEN_LVDS) &&
 		(lvds->screen.type != SCREEN_DUAL_LVDS)) {
-		dev_err(&pdev->dev, "screen is not lvds/rgb!\n");
+		dev_err(&pdev->dev, "screen is not lvds/rgb!\n");		
+		writel_relaxed(0xffff8000, RK_GRF_VIRT + RK3288_GRF_SOC_CON7);
 		return -EINVAL;
 	}
 	platform_set_drvdata(pdev, lvds);