pwm_backlight.h 722 B

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
  4. */
  5. #ifndef __LINUX_PWM_BACKLIGHT_H
  6. #define __LINUX_PWM_BACKLIGHT_H
  7. #include <linux/backlight.h>
  8. struct platform_pwm_backlight_data {
  9. int pwm_id;
  10. unsigned int max_brightness;
  11. unsigned int dft_brightness;
  12. unsigned int lth_brightness;
  13. unsigned int pwm_period_ns;
  14. unsigned int *levels;
  15. unsigned int post_pwm_on_delay;
  16. unsigned int pwm_off_delay;
  17. int (*init)(struct device *dev);
  18. int (*notify)(struct device *dev, int brightness);
  19. void (*notify_after)(struct device *dev, int brightness);
  20. void (*exit)(struct device *dev);
  21. int (*check_fb)(struct device *dev, struct fb_info *info);
  22. };
  23. #endif