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List:       linux-omap
Subject:    [PATCH] ARM: OMAP: 2430SDP: turn off secondary LCD backlight on boot
From:       khilman () mvista ! com (Kevin Hilman)
Date:       2007-07-30 17:55:53
Message-ID: 20070730225528.778419364 () mvista ! com
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There is not yet any driver for the secondary LCD, so turn off
the backlight on boot.

Signed-off-by: Kevin Hilman <khilman@mvista.com>
---
 arch/arm/mach-omap2/board-2430sdp.c |    5 +++++
 1 file changed, 5 insertions(+)

Index: linux-2.6.21/arch/arm/mach-omap2/board-2430sdp.c
===================================================================
--- linux-2.6.21.orig/arch/arm/mach-omap2/board-2430sdp.c
+++ linux-2.6.21/arch/arm/mach-omap2/board-2430sdp.c
@@ -55,6 +55,7 @@
 #define TS_GPIO                 24
 
 #define TWL4030_MSECURE_GPIO	118
+#define SECONDARY_LCD_GPIO	147
 
 static struct mtd_partition sdp2430_partitions[] = {
 	/* bootloader (U-Boot, etc) in first sector */
@@ -466,6 +467,10 @@ static void __init omap_2430sdp_init(voi
 	spi_register_board_info(sdp2430_spi_board_info,
 				ARRAY_SIZE(sdp2430_spi_board_info));
 	ads7846_dev_init();
+
+	/* turn off secondary LCD backlight */
+	omap_set_gpio_direction(SECONDARY_LCD_GPIO, 0);
+	omap_set_gpio_dataout(SECONDARY_LCD_GPIO, 0);
 }
 
 static void __init omap_2430sdp_map_io(void)
--

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