linux-stable/include/linux/pwm_backlight.h
Uwe Kleine-König 5a7fbe452a backlight: pwm_bl: Drop support for legacy PWM probing
There is no in-tree user left which relies on legacy probing. So drop
support for it which removes another user of the deprecated
pwm_request() function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221117072151.3789691-1-u.kleine-koenig@pengutronix.de
2023-02-22 10:55:22 +00:00

25 lines
709 B
C

/* 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 {
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;
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