257462dbf3
Switch to the new gpiod interface, which allows to handle GPIO properties such as active low transparently and removes a whole bunch of code. There are still a couple of users of this driver that rely on passing the enable GPIO number through platform data, so a fallback mechanism using a GPIO number is still available to avoid breaking them. It will be removed once current users have switched to the GPIO lookup tables provided by the gpiod interface. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
25 lines
701 B
C
25 lines
701 B
C
/*
|
|
* Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
|
|
*/
|
|
#ifndef __LINUX_PWM_BACKLIGHT_H
|
|
#define __LINUX_PWM_BACKLIGHT_H
|
|
|
|
#include <linux/backlight.h>
|
|
|
|
struct platform_pwm_backlight_data {
|
|
int pwm_id;
|
|
unsigned int max_brightness;
|
|
unsigned int dft_brightness;
|
|
unsigned int lth_brightness;
|
|
unsigned int pwm_period_ns;
|
|
unsigned int *levels;
|
|
/* TODO remove once all users are switched to gpiod_* API */
|
|
int enable_gpio;
|
|
int (*init)(struct device *dev);
|
|
int (*notify)(struct device *dev, int brightness);
|
|
void (*notify_after)(struct device *dev, int brightness);
|
|
void (*exit)(struct device *dev);
|
|
int (*check_fb)(struct device *dev, struct fb_info *info);
|
|
};
|
|
|
|
#endif
|