diff options
Diffstat (limited to 'linux/3.1.6/0011-n35-Powermanagement-for-some-LCD-stuff-on-Acer-n35.patch')
| -rw-r--r-- | linux/3.1.6/0011-n35-Powermanagement-for-some-LCD-stuff-on-Acer-n35.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/linux/3.1.6/0011-n35-Powermanagement-for-some-LCD-stuff-on-Acer-n35.patch b/linux/3.1.6/0011-n35-Powermanagement-for-some-LCD-stuff-on-Acer-n35.patch new file mode 100644 index 0000000..68e7ed4 --- /dev/null +++ b/linux/3.1.6/0011-n35-Powermanagement-for-some-LCD-stuff-on-Acer-n35.patch @@ -0,0 +1,92 @@ +From 3dad22d3a6e269ea7387c756592fd831fbd7810e Mon Sep 17 00:00:00 2001 +From: Jiri Pinkava <jiri.pinkava@vscht.cz> +Date: Mon, 24 May 2010 11:03:52 +0200 +Subject: [PATCH 11/14] n35: Powermanagement for some LCD stuff on Acer n35 + +Signed-off-by: Jiri Pinkava <jiri.pinkava@vscht.cz> +--- + arch/arm/mach-s3c2410/mach-n30.c | 47 ++++++++++++++++++++++++++++++++++++++ + 1 files changed, 47 insertions(+), 0 deletions(-) + +diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c +index 9c0e5b8..3c784e4 100644 +--- a/arch/arm/mach-s3c2410/mach-n30.c ++++ b/arch/arm/mach-s3c2410/mach-n30.c +@@ -56,6 +56,8 @@ + #include <plat/ts.h> + #include <plat/udc.h> + ++#include <video/platform_lcd.h> ++ + #ifdef CONFIG_MTD_PARTITIONS + #include <linux/mtd/mtd.h> + #include <linux/mtd/nand.h> +@@ -563,6 +565,45 @@ static struct platform_device n35_backlight = { + .id = -1, + }; + ++static void n35_lcd_set_power(struct plat_lcd_data *pd, unsigned int power) ++{ ++ if (power) { ++ gpio_set_value(S3C2410_GPB(8), 1); ++ s3c_gpio_setpull(S3C2410_GPB(8), S3C_GPIO_PULL_UP); ++ ++ s3c_gpio_cfgpin(S3C2410_GPB(9), S3C2410_GPIO_OUTPUT); ++ gpio_set_value(S3C2410_GPB(9), 1); ++ s3c_gpio_setpull(S3C2410_GPB(9), S3C_GPIO_PULL_UP); ++ ++ s3c_gpio_cfgpin(S3C2410_GPB(10), S3C2410_GPIO_OUTPUT); ++ gpio_set_value(S3C2410_GPB(10), 1); ++ s3c_gpio_setpull(S3C2410_GPB(10), S3C_GPIO_PULL_UP); ++ } else { ++ gpio_set_value(S3C2410_GPB(8), 0); ++ s3c_gpio_setpull(S3C2410_GPB(8), S3C_GPIO_PULL_DOWN); ++ ++ s3c_gpio_cfgpin(S3C2410_GPB(9), S3C2410_GPIO_INPUT); ++ s3c_gpio_setpull(S3C2410_GPB(9), S3C_GPIO_PULL_DOWN); ++ ++ s3c_gpio_cfgpin(S3C2410_GPB(10), S3C2410_GPIO_INPUT); ++ s3c_gpio_setpull(S3C2410_GPB(10), S3C_GPIO_PULL_DOWN); ++ } ++} ++ ++ ++static struct plat_lcd_data n35_lcd_power_data = { ++ .set_power = n35_lcd_set_power, ++}; ++ ++static struct platform_device n35_lcd_powerdev = { ++ .name = "platform-lcd", ++ .id = -1, ++ .dev = { ++ .parent = &s3c_device_lcd.dev, ++ .platform_data = &n35_lcd_power_data, ++ }, ++}; ++ + static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd) + { + switch (power_mode) { +@@ -617,6 +658,7 @@ static struct platform_device *n35_devices[] __initdata = { + &s3c_device_ts, + &s3c_device_timer[0], + &n35_backlight, ++ &n35_lcd_powerdev, + &n30_battery, + &n35_button_device, + &n35_blue_led, +@@ -806,6 +848,11 @@ static void __init n30_init(void) + if (machine_is_n35()) { + s3c_nand_set_platdata(&n35_nand_info); + ++ WARN_ON(gpio_request(S3C2410_GPB(8), "LCD driver")); ++ WARN_ON(gpio_request(S3C2410_GPB(9), "LCD HSYNC")); ++ WARN_ON(gpio_request(S3C2410_GPB(10), "LCD VSYNC")); ++ s3c_gpio_cfgpin(S3C2410_GPB(8), S3C2410_GPIO_OUTPUT); ++ + /* Clear any locks and write protects on the flash. */ + WARN_ON(gpio_request(S3C2410_GPC(5), "NAND write protection")); + gpio_set_value(S3C2410_GPC(5), 1); +-- +1.7.3.1 + |