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author | Lars-Peter Clausen <lars@metafoo.de> | 2010-05-12 02:44:34 +0200 |
---|---|---|
committer | Richard Purdie <rpurdie@linux.intel.com> | 2010-05-26 17:34:40 +0100 |
commit | 67e67df8da723debf24f7763605776891203e8d5 (patch) | |
tree | d8b3b56b55c0f06da6fc352fa2e44bc654b84e3e /arch/arm/mach-s3c2440/mach-gta02.c | |
parent | f5bf403a9dc944bf560f49dd029195e54fcbc41c (diff) | |
download | linux-rpi3-67e67df8da723debf24f7763605776891203e8d5.tar.gz linux-rpi3-67e67df8da723debf24f7763605776891203e8d5.tar.bz2 linux-rpi3-67e67df8da723debf24f7763605776891203e8d5.zip |
gta02: Use pcf50633 backlight driver instead of platform backlight driver.
Use the pcf50633 backlight driver instead of the platform backlight driver.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'arch/arm/mach-s3c2440/mach-gta02.c')
-rw-r--r-- | arch/arm/mach-s3c2440/mach-gta02.c | 76 |
1 files changed, 9 insertions, 67 deletions
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index 45799c608d8f..9e39faa283b9 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -49,7 +49,6 @@ #include <linux/io.h> #include <linux/i2c.h> -#include <linux/backlight.h> #include <linux/regulator/machine.h> #include <linux/mfd/pcf50633/core.h> @@ -57,6 +56,7 @@ #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 <asm/mach/arch.h> #include <asm/mach/map.h> @@ -254,6 +254,12 @@ static char *gta02_batteries[] = { "battery", }; +static struct pcf50633_bl_platform_data gta02_backlight_data = { + .default_brightness = 0x3f, + .default_brightness_limit = 0, + .ramp_time = 5, +}; + struct pcf50633_platform_data gta02_pcf_pdata = { .resumers = { [0] = PCF50633_INT1_USBINS | @@ -271,6 +277,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .charger_reference_current_ma = 1000, + .backlight_data = >a02_backlight_data, + .reg_init_data = { [PCF50633_REGULATOR_AUTO] = { .constraints = { @@ -478,71 +486,6 @@ 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] = { @@ -579,7 +522,6 @@ 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, }; |