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Commit | Line | Data |
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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 | /* TODO: convert to gpiod_*() API once it has been merged */ | |
10 | #define PWM_BACKLIGHT_GPIO_ACTIVE_LOW (1 << 0) | |
11 | ||
12 | struct platform_pwm_backlight_data { | |
13 | int pwm_id; | |
14 | unsigned int max_brightness; | |
15 | unsigned int dft_brightness; | |
16 | unsigned int lth_brightness; | |
17 | unsigned int pwm_period_ns; | |
18 | unsigned int *levels; | |
19 | int enable_gpio; | |
20 | unsigned long enable_gpio_flags; | |
21 | int (*init)(struct device *dev); | |
22 | int (*notify)(struct device *dev, int brightness); | |
23 | void (*notify_after)(struct device *dev, int brightness); | |
24 | void (*exit)(struct device *dev); | |
25 | int (*check_fb)(struct device *dev, struct fb_info *info); | |
26 | }; | |
27 | ||
28 | #endif |