pwm_backlight.h 701 Bytes
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/*
 * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
 */
#ifndef __LINUX_PWM_BACKLIGHT_H
#define __LINUX_PWM_BACKLIGHT_H

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#include <linux/backlight.h>

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struct platform_pwm_backlight_data {
	int pwm_id;
	unsigned int max_brightness;
	unsigned int dft_brightness;
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	unsigned int lth_brightness;
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	unsigned int pwm_period_ns;
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	unsigned int *levels;
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	/* TODO remove once all users are switched to gpiod_* API */
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	int enable_gpio;
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	int (*init)(struct device *dev);
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	int (*notify)(struct device *dev, int brightness);
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	void (*notify_after)(struct device *dev, int brightness);
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	void (*exit)(struct device *dev);
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	int (*check_fb)(struct device *dev, struct fb_info *info);
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};

#endif