diff mbox

[PATCH-V2] OMAP3EVM: Made backlight GPIO default state to off

Message ID 1295896947-30475-1-git-send-email-hvaibhav@ti.com (mailing list archive)
State Superseded, archived
Delegated to: Tony Lindgren
Headers show

Commit Message

Vaibhav Hiremath Jan. 24, 2011, 7:22 p.m. UTC 
None
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 7119380..a888a7d 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -411,6 +411,8 @@  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;
@@ -426,8 +428,17 @@  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)
+		printk(KERN_ERR "failed to get lcd_bkl gpio\n");
+
+	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
+		r = gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
+	else
+		r = gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
+
+	if (r)
+		printk(KERN_ERR "failed to set direction of lcd_bkl gpio\n");

 	/* gpio + 7 == DVI Enable */
 	gpio_request(gpio + 7, "EN_DVI");