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Commit 42fc8cab authored by Vaibhav Hiremath's avatar Vaibhav Hiremath Committed by Tony Lindgren
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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: default avatarVaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 904c545c

arch/arm/mach-omap2/board-omap3evm.c

+8 −2
Original line number Diff line number Diff line
@@ -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");