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authorLars-Peter Clausen <lars@metafoo.de>2010-04-04 21:29:54 +0200
committerLars-Peter Clausen <lars@metafoo.de>2010-05-17 21:22:12 +0200
commitc741b7c424cc10ceea8dcd9c6358cce746622e8b (patch)
treeebcb0b73483f6d5e884312dc420353547479adc1 /arch
parent47827311e5e710a34355c9dc0a28f377a13755f9 (diff)
gta02: Add pcf50633 backlight platform data
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-s3c2440/mach-gta02.c77
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 = &gta02_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 = &gta02_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[] = {
- &gta02_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