linux-stable/include/linux/pwm_backlight.h

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

struct platform_pwm_backlight_data {
	int pwm_id;
	unsigned int max_brightness;
	unsigned int dft_brightness;
	unsigned int pwm_period_ns;
	int (*init)(struct device *dev);
	int (*notify)(int brightness);
	void (*exit)(struct device *dev);
};

#endif
[ARM] pxa: add generic PWM backlight driver Patch mostly from Eric Miao, with minor edits by rmk to convert Eric's driver to a generic PWM-based backlight driver. Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> 2008-04-14 08:35:08 +00:00			`/*`
			`* Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c`
			`*/`
			`#ifndef __LINUX_PWM_BACKLIGHT_H`
			`#define __LINUX_PWM_BACKLIGHT_H`

			`struct platform_pwm_backlight_data {`
			`int pwm_id;`
			`unsigned int max_brightness;`
			`unsigned int dft_brightness;`
			`unsigned int pwm_period_ns;`
[ARM] 5044/1: pwm_bl: add init/notify/exit callbacks This allows platform code to manipulate GPIOs and brightness level as needed. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> 2008-05-22 13:18:40 +00:00			`int (init)(struct device dev);`
			`int (*notify)(int brightness);`
			`void (exit)(struct device dev);`
[ARM] pxa: add generic PWM backlight driver Patch mostly from Eric Miao, with minor edits by rmk to convert Eric's driver to a generic PWM-based backlight driver. Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> 2008-04-14 08:35:08 +00:00			`};`

			`#endif`