FM / pcf50633

/usr/src/linux-headers-5.15.0-190/include/linux/mfd/pcf50633/

/usr/src/linux-headers-5.15.0-190/include/linux/mfd/pcf50633

Name	Size	Mode	Actions
adc.h	2146	0644	edit dl rm
backlight.h	1270	0644	edit dl rm
core.h	6275	0644	edit dl rm
gpio.h	1320	0644	edit dl rm
mbc.h	3931	0644	edit dl rm
pmic.h	1957	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/include/linux/mfd/pcf50633/backlight.h (1270B)

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
 *      PCF50633 backlight device driver
 */

#ifndef __LINUX_MFD_PCF50633_BACKLIGHT
#define __LINUX_MFD_PCF50633_BACKLIGHT

/*
* @default_brightness: Backlight brightness is initialized to this value
*
* Brightness to be used after the driver has been probed.
* Valid range 0-63.
*
* @default_brightness_limit: The actual brightness is limited by this value
*
* Brightness limit to be used after the driver has been probed. This is useful
* when it is not known how much power is available for the backlight during
* probe.
* Valid range 0-63. Can be changed later with pcf50633_bl_set_brightness_limit.
*
* @ramp_time: Display ramp time when changing brightness
*
* When changing the backlights brightness the change is not instant, instead
* it fades smooth from one state to another. This value specifies how long
* the fade should take. The lower the value the higher the fade time.
* Valid range 0-255
*/
struct pcf50633_bl_platform_data {
	unsigned int	default_brightness;
	unsigned int	default_brightness_limit;
	uint8_t		ramp_time;
};

struct pcf50633;

int pcf50633_bl_set_brightness_limit(struct pcf50633 *pcf, unsigned int limit);

#endif

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