| /* |
| * 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 |
