From 42fc8cab020c4d848a969b7c0a80b591c35bb263 Mon Sep 17 00:00:00 2001 From: Vaibhav Hiremath Date: Tue, 25 Jan 2011 17:37:40 +0000 Subject: [PATCH] OMAP3EVM: Made backlight GPIO default state to off If you choose default output to DVI, the LCD backlight used to stay on, since panel->disable function never gets called. So, during init put backlight GPIO to off state and the driver code will decide which output to enable. Signed-off-by: Vaibhav Hiremath Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/board-omap3evm.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 36dac55b235c..4f2574c35ddf 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -456,6 +456,8 @@ static struct platform_device leds_gpio = { static int omap3evm_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { + int r; + /* gpio + 0 is "mmc0_cd" (input/IRQ) */ omap_mux_init_gpio(63, OMAP_PIN_INPUT); mmc[0].gpio_cd = gpio + 0; @@ -471,8 +473,12 @@ static int omap3evm_twl_gpio_setup(struct device *dev, */ /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */ - gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL"); - gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); + r = gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL"); + if (!r) + r = gpio_direction_output(gpio + TWL4030_GPIO_MAX, + (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) ? 1 : 0); + if (r) + printk(KERN_ERR "failed to get/set lcd_bkl gpio\n"); /* gpio + 7 == DVI Enable */ gpio_request(gpio + 7, "EN_DVI"); -- 2.20.1