From: makarand.karvekar <makarand.karvekar@motorola.com>
Date: Tue, 2 Nov 2010 16:45:27 +0000 (-0500)
Subject: [ARM] tegra: stingray: lock gen_i2c for AUO display
X-Git-Tag: firefly_0821_release~9834^2~366
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=907504b0d30a509e62a7df4dddd875604adcf0d1;p=firefly-linux-kernel-4.4.55.git

[ARM] tegra: stingray: lock gen_i2c for AUO display

AUO display is holding i2c lines at lower voltage for
few milliseconds.

Change-Id: I432e5f70d4158a393b9b19336aab3d2a3f9b4cb8
Signed-off-by: makarand.karvekar <makarand.karvekar@motorola.com>
---

diff --git a/arch/arm/mach-tegra/board-stingray-panel.c b/arch/arm/mach-tegra/board-stingray-panel.c
index 06b37941f5cb..a7168efa314d 100644
--- a/arch/arm/mach-tegra/board-stingray-panel.c
+++ b/arch/arm/mach-tegra/board-stingray-panel.c
@@ -148,13 +148,16 @@ __setup("lcd_manfid=", board_lcd_manfid_init);
 static int stingray_panel_enable(void)
 {
 	struct i2c_adapter *adapter = NULL;
-	if (!strncmp(lcd_manfid, "SHP", 3) && (adapter = i2c_get_adapter(0)))
-		i2c_lock_adapter(adapter);
+
+	if (!strncmp(lcd_manfid, "SHP", 3) || !strncmp(lcd_manfid, "AUO", 3)) {
+		adapter = i2c_get_adapter(0);
+		if (adapter)
+			i2c_lock_adapter(adapter);
+	}
 
 	gpio_set_value(STINGRAY_LVDS_SHDN_B, 1);
 
-	if (adapter)
-	{
+	if (adapter) {
 		msleep(200);
 		i2c_unlock_adapter(adapter);
 		i2c_put_adapter(adapter);