include/linux/pwm_backlight.h

   1 /*
   2  * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
   3  */
   4 #ifndef __LINUX_PWM_BACKLIGHT_H
   5 #define __LINUX_PWM_BACKLIGHT_H
   6
   7 #include <linux/backlight.h>
   8
   9 struct platform_pwm_backlight_data {
  10         int pwm_id;
  11         unsigned int max_brightness;
  12         unsigned int dft_brightness;
  13         unsigned int lth_brightness;
  14         unsigned int pwm_period_ns;
  15         unsigned int *levels;
  16         /* TODO remove once all users are switched to gpiod_* API */
  17         int enable_gpio;
  18         int (*init)(struct device *dev);
  19         int (*notify)(struct device *dev, int brightness);
  20         void (*notify_after)(struct device *dev, int brightness);
  21         void (*exit)(struct device *dev);
  22         int (*check_fb)(struct device *dev, struct fb_info *info);
  23 };
  24
  25 #endif