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 | |
8 | #include <linux/backlight.h> |
9 | |
10 | struct platform_pwm_backlight_data { |
11 | int pwm_id; |
12 | unsigned int max_brightness; |
13 | unsigned int dft_brightness; |
14 | unsigned int lth_brightness; |
15 | unsigned int pwm_period_ns; |
16 | unsigned int *levels; |
17 | unsigned int post_pwm_on_delay; |
18 | unsigned int pwm_off_delay; |
19 | /* TODO remove once all users are switched to gpiod_* API */ |
20 | int enable_gpio; |
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 |
29 | |