diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2012-11-17 17:57:20 +0400 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-11-21 21:57:45 +0400 |
| commit | 94760bf2523b4b5d3938e85ea0964ca7cd59a42b (patch) | |
| tree | 93643ae945d3a3fc6e37325f268cda2fe3e7ddc4 /arch/arm/mach-clps711x/edb7211.c | |
| parent | e377ca1e32f66378cc6d0562851bfc51126865ea (diff) | |
| download | linux-94760bf2523b4b5d3938e85ea0964ca7cd59a42b.tar.xz | |
ARM: clps711x: Moving backlight controls of framebuffer driver to the board
This patch moves the backlight controls for clps711x-framebuffer driver
to the board code. To control we use "generic-bl" driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
[olof: fixed space/tab whitespace in drivers/video/clps711xfb.c]
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-clps711x/edb7211.c')
| -rw-r--r-- | arch/arm/mach-clps711x/edb7211.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-clps711x/edb7211.c b/arch/arm/mach-clps711x/edb7211.c index 81cc6835d7a5..d5832b3557a1 100644 --- a/arch/arm/mach-clps711x/edb7211.c +++ b/arch/arm/mach-clps711x/edb7211.c @@ -13,6 +13,7 @@ #include <linux/memblock.h> #include <linux/types.h> #include <linux/interrupt.h> +#include <linux/backlight.h> #include <linux/platform_device.h> #include <asm/setup.h> @@ -30,6 +31,7 @@ #define EDB7211_LCD_DC_DC_EN CLPS711X_GPIO(3, 1) #define EDB7211_LCDEN CLPS711X_GPIO(3, 2) +#define EDB7211_LCDBL CLPS711X_GPIO(3, 3) #define EDB7211_CS8900_BASE (CS2_PHYS_BASE + 0x300) #define EDB7211_CS8900_IRQ (IRQ_EINT3) @@ -56,9 +58,22 @@ static struct plat_lcd_data edb7211_lcd_power_pdata = { .set_power = edb7211_lcd_power_set, }; +static void edb7211_lcd_backlight_set_intensity(int intensity) +{ + gpio_set_value(EDB7211_LCDBL, intensity); +} + +static struct generic_bl_info edb7211_lcd_backlight_pdata = { + .name = "lcd-backlight.0", + .default_intensity = 0x01, + .max_intensity = 0x01, + .set_bl_intensity = edb7211_lcd_backlight_set_intensity, +}; + static struct gpio edb7211_gpios[] __initconst = { { EDB7211_LCD_DC_DC_EN, GPIOF_OUT_INIT_LOW, "LCD DC-DC" }, { EDB7211_LCDEN, GPIOF_OUT_INIT_LOW, "LCD POWER" }, + { EDB7211_LCDBL, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT" }, }; static struct map_desc edb7211_io_desc[] __initdata = { @@ -117,6 +132,9 @@ static void __init edb7211_init(void) platform_device_register_data(&platform_bus, "platform-lcd", 0, &edb7211_lcd_power_pdata, sizeof(edb7211_lcd_power_pdata)); + platform_device_register_data(&platform_bus, "generic-bl", 0, + &edb7211_lcd_backlight_pdata, + sizeof(edb7211_lcd_backlight_pdata)); platform_device_register_simple("video-clps711x", 0, NULL, 0); platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource, ARRAY_SIZE(edb7211_cs8900_resource)); |