diff options
author | Lars-Peter Clausen <lars@metafoo.de> | 2010-04-04 21:29:54 +0200 |
---|---|---|
committer | Lars-Peter Clausen <lars@metafoo.de> | 2010-05-17 21:22:12 +0200 |
commit | c741b7c424cc10ceea8dcd9c6358cce746622e8b (patch) | |
tree | ebcb0b73483f6d5e884312dc420353547479adc1 /arch | |
parent | 47827311e5e710a34355c9dc0a28f377a13755f9 (diff) |
gta02: Add pcf50633 backlight platform data
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-s3c2440/mach-gta02.c | 77 |
1 files changed, 9 insertions, 68 deletions
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index b2c32916752..f42af59dcf9 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -50,7 +50,6 @@ #include <linux/io.h> #include <linux/i2c.h> -#include <linux/backlight.h> #include <linux/regulator/machine.h> #include <linux/regulator/fixed.h> @@ -59,6 +58,7 @@ #include <linux/mfd/pcf50633/adc.h> #include <linux/mfd/pcf50633/gpio.h> #include <linux/mfd/pcf50633/pmic.h> +#include <linux/mfd/pcf50633/backlight.h> #include <linux/input.h> #include <linux/gpio_keys.h> @@ -484,6 +484,12 @@ static struct regulator_consumer_supply hcldo_consumers[] = { }, }; +static struct pcf50633_bl_platform_data gta02_backlight_data = { + .default_brightness = 0x3f, + .default_brightness_limit = 0, + .ramp_time = 3, +}; + struct pcf50633_platform_data gta02_pcf_pdata = { .resumers = { [0] = PCF50633_INT1_USBINS | @@ -501,6 +507,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .charger_reference_current_ma = 1000, + .backlight_data = >a02_backlight_data, + .gpio_base = GTA02_GPIO_PCF_BASE, .reg_init_data = { @@ -717,71 +725,6 @@ static struct s3c2410_udc_mach_info gta02_udc_cfg = { }; - - -static void gta02_bl_set_intensity(int intensity) -{ - struct pcf50633 *pcf = gta02_pcf; - int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT); - - /* We map 8-bit intensity to 6-bit intensity in hardware. */ - intensity >>= 2; - - /* - * This can happen during, eg, print of panic on blanked console, - * but we can't service i2c without interrupts active, so abort. - */ - if (in_atomic()) { - printk(KERN_ERR "gta02_bl_set_intensity called while atomic\n"); - return; - } - - old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT); - if (intensity == old_intensity) - return; - - /* We can't do this anywhere else. */ - pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5); - - if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3)) - old_intensity = 0; - - /* - * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60) - * if seen, you have to re-enable the LED unit. - */ - if (!intensity || !old_intensity) - pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0); - - /* Illegal to set LEDOUT to 0. */ - if (!intensity) - pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, 2); - else - pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, - intensity); - - if (intensity) - pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2); - -} - -static struct generic_bl_info gta02_bl_info = { - .name = "gta02-bl", - .max_intensity = 0xff, - .default_intensity = 0xff, - .set_bl_intensity = gta02_bl_set_intensity, -}; - -static struct platform_device gta02_bl_dev = { - .name = "generic-bl", - .id = 1, - .dev = { - .platform_data = >a02_bl_info, - }, -}; - - - /* USB */ static struct s3c2410_hcd_info gta02_usb_info __initdata = { .port[0] = { @@ -957,10 +900,8 @@ static struct platform_device *gta02_devices[] __initdata = { /* These guys DO need to be children of PMU. */ static struct platform_device *gta02_devices_pmu_children[] = { - >a02_bl_dev, }; - /* * This is called when pc50633 is probed, quite late in the day since it is an * I2C bus device. Here we can define platform devices with the advantage that |