From cb47729bdaf49fe5e9dd2c41554f44a77b5cd590 Mon Sep 17 00:00:00 2001
From: Eric Miao <ycmiao@ycmiao-ubuntu.internal.example.org>
Date: Sat, 16 Aug 2008 03:59:11 -0400
Subject: [ARM] pxafb: fix the incorrect configuration of GPIO77 as ACBIAS for
 TFT LCD

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Tested-by: Alex Osborne <ato@meshy.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 drivers/video/pxafb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'drivers/video/pxafb.c')

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index e7aa7ae8fca8..bef35afa258d 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -1031,7 +1031,9 @@ static void pxafb_setup_gpio(struct pxafb_info *fbi)
 	pxa_gpio_mode(GPIO74_LCD_FCLK_MD);
 	pxa_gpio_mode(GPIO75_LCD_LCLK_MD);
 	pxa_gpio_mode(GPIO76_LCD_PCLK_MD);
-	pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
+
+	if ((lccr0 & LCCR0_PAS) == 0)
+		pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
 }
 
 static void pxafb_enable_controller(struct pxafb_info *fbi)
-- 
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