https://github.com/torvalds/linux
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Tip revision: ae64f9bd1d3621b5e60d7363bc20afb46aede215 authored by Linus Torvalds on 03 December 2017, 16:01:47 UTC
Linux 4.15-rc2
Tip revision: ae64f9b
pwm_backlight.h
/* 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;
	/* 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
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