diff options
Diffstat (limited to 'include/linux/pwm_backlight.h')
| -rw-r--r-- | include/linux/pwm_backlight.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h new file mode 100644 index 000000000..8ea265a02 --- /dev/null +++ b/include/linux/pwm_backlight.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * 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> + +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; + unsigned int post_pwm_on_delay; + unsigned int pwm_off_delay; + /* TODO remove once all users are switched to gpiod_* API */ + int enable_gpio; + 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 |