shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 12:17:12 +09:00
Code Issues Packages Projects Releases Wiki Activity

pwm-backlight: reset to unpstream version

Browse Source
This commit is contained in:
黄涛
2014-02-25 16:55:47 +08:00
parent 1c0576079a
commit 27e4aea386
2 changed files with 2 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/video/backlight/pwm_bl.c
View File

@@ -20,8 +20,7 @@
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/slab.h>
#include <linux/of_gpio.h>
#include <linux/gpio.h>
struct pwm_bl_data {
struct pwm_device *pwm;
struct device *dev;
@@ -102,9 +101,7 @@ static int pwm_backlight_parse_dt(struct device *dev,
struct property *prop;
int length;
u32 value;
int gpio,ret;
enum of_gpio_flags flags;
int ret;
if (!node)
return -ENODEV;
@@ -136,25 +133,6 @@ static int pwm_backlight_parse_dt(struct device *dev,
&value);
if (ret < 0)
return ret;
data->gpio = devm_kzalloc(dev,
sizeof(struct gpio) * 1,
GFP_KERNEL);
gpio = of_get_named_gpio_flags(node, "gpios", 0, &flags);
data->gpio->gpio = gpio;
if (gpio != -1) {
ret = devm_gpio_request(dev, gpio, "gpio_pwm_bl_en");
if(ret){
data->gpio->gpio = -1;
printk("PWM_BL_EN request ERROR");
}
ret = gpio_direction_output(data->gpio->gpio , !flags);
if(ret){
printk("PWM_BL_EN request ERROR");
}
}
data->dft_brightness = value;
data->max_brightness--;

3
include/linux/pwm_backlight.h
View File

@@ -13,9 +13,6 @@ struct platform_pwm_backlight_data {
unsigned int lth_brightness;
unsigned int pwm_period_ns;
unsigned int *levels;
struct gpio *gpio;
int (*init)(struct device *dev);
int (*notify)(struct device *dev, int brightness);
void (*notify_after)(struct device *dev, int brightness);