pwm_backlight.h 701 B

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  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. #include <linux/backlight.h>
  7. struct platform_pwm_backlight_data {
  8. int pwm_id;
  9. unsigned int max_brightness;
  10. unsigned int dft_brightness;
  11. unsigned int lth_brightness;
  12. unsigned int pwm_period_ns;
  13. unsigned int *levels;
  14. /* TODO remove once all users are switched to gpiod_* API */
  15. int enable_gpio;
  16. int (*init)(struct device *dev);
  17. int (*notify)(struct device *dev, int brightness);
  18. void (*notify_after)(struct device *dev, int brightness);
  19. void (*exit)(struct device *dev);
  20. int (*check_fb)(struct device *dev, struct fb_info *info);
  21. };
  22. #endif