diff options
| author | Vaibhav Hiremath <hvaibhav@ti.com> | 2011-01-25 20:37:40 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2011-02-18 01:18:02 +0300 |
| commit | 42fc8cab020c4d848a969b7c0a80b591c35bb263 (patch) | |
| tree | 63f2b772ebe570e5d867f919cc13a6524bf05ef9 /arch/arm/mach-omap2/board-omap3evm.c | |
| parent | 904c545c22dc4926e73c5c869efed0ca6a778bda (diff) | |
| download | linux-42fc8cab020c4d848a969b7c0a80b591c35bb263.tar.xz | |
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 <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3evm.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3evm.c | 10 |
1 files 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"); |