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- /*
- * 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>
- /* TODO: convert to gpiod_*() API once it has been merged */
- #define PWM_BACKLIGHT_GPIO_ACTIVE_LOW (1 << 0)
- 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;
- int enable_gpio;
- unsigned long enable_gpio_flags;
- 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
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