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TOMOYO Linux Cross Reference
Linux/include/linux/pwm_backlight.h

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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 
  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
 26 

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