diff options
Diffstat (limited to 'include/linux/led-class-flash.h')
| -rw-r--r-- | include/linux/led-class-flash.h | 70 |
1 files changed, 51 insertions, 19 deletions
diff --git a/include/linux/led-class-flash.h b/include/linux/led-class-flash.h index 700efaa9e115..775a96217518 100644 --- a/include/linux/led-class-flash.h +++ b/include/linux/led-class-flash.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * LED Flash class interface * * Copyright (C) 2015 Samsung Electronics Co., Ltd. * Author: Jacek Anaszewski <j.anaszewski@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #ifndef __LINUX_FLASH_LEDS_H_INCLUDED #define __LINUX_FLASH_LEDS_H_INCLUDED @@ -49,6 +45,8 @@ struct led_flash_ops { int (*timeout_set)(struct led_classdev_flash *fled_cdev, u32 timeout); /* get the flash LED fault */ int (*fault_get)(struct led_classdev_flash *fled_cdev, u32 *fault); + /* set flash duration */ + int (*duration_set)(struct led_classdev_flash *fled_cdev, u32 duration); }; /* @@ -79,6 +77,9 @@ struct led_classdev_flash { /* flash timeout value in microseconds along with its constraints */ struct led_flash_setting timeout; + /* flash timeout value in microseconds along with its constraints */ + struct led_flash_setting duration; + /* LED Flash class sysfs groups */ const struct attribute_group *sysfs_groups[LED_FLASH_SYSFS_GROUPS_SIZE]; }; @@ -90,15 +91,17 @@ static inline struct led_classdev_flash *lcdev_to_flcdev( } /** - * led_classdev_flash_register - register a new object of led_classdev class - * with support for flash LEDs - * @parent: the flash LED to register + * led_classdev_flash_register_ext - register a new object of LED class with + * init data and with support for flash LEDs + * @parent: LED flash controller device this flash LED is driven by * @fled_cdev: the led_classdev_flash structure for this device + * @init_data: the LED class flash device initialization data * * Returns: 0 on success or negative error value on failure */ -extern int led_classdev_flash_register(struct device *parent, - struct led_classdev_flash *fled_cdev); +int led_classdev_flash_register_ext(struct device *parent, + struct led_classdev_flash *fled_cdev, + struct led_init_data *init_data); /** * led_classdev_flash_unregister - unregisters an object of led_classdev class @@ -107,7 +110,27 @@ extern int led_classdev_flash_register(struct device *parent, * * Unregister a previously registered via led_classdev_flash_register object */ -extern void led_classdev_flash_unregister(struct led_classdev_flash *fled_cdev); +void led_classdev_flash_unregister(struct led_classdev_flash *fled_cdev); + +int devm_led_classdev_flash_register_ext(struct device *parent, + struct led_classdev_flash *fled_cdev, + struct led_init_data *init_data); + + +void devm_led_classdev_flash_unregister(struct device *parent, + struct led_classdev_flash *fled_cdev); + +static inline int led_classdev_flash_register(struct device *parent, + struct led_classdev_flash *fled_cdev) +{ + return led_classdev_flash_register_ext(parent, fled_cdev, NULL); +} + +static inline int devm_led_classdev_flash_register(struct device *parent, + struct led_classdev_flash *fled_cdev) +{ + return devm_led_classdev_flash_register_ext(parent, fled_cdev, NULL); +} /** * led_set_flash_strobe - setup flash strobe @@ -155,8 +178,8 @@ static inline int led_get_flash_strobe(struct led_classdev_flash *fled_cdev, * * Returns: 0 on success or negative error value on failure */ -extern int led_set_flash_brightness(struct led_classdev_flash *fled_cdev, - u32 brightness); +int led_set_flash_brightness(struct led_classdev_flash *fled_cdev, + u32 brightness); /** * led_update_flash_brightness - update flash LED brightness @@ -167,19 +190,18 @@ extern int led_set_flash_brightness(struct led_classdev_flash *fled_cdev, * * Returns: 0 on success or negative error value on failure */ -extern int led_update_flash_brightness(struct led_classdev_flash *fled_cdev); +int led_update_flash_brightness(struct led_classdev_flash *fled_cdev); /** * led_set_flash_timeout - set flash LED timeout * @fled_cdev: the flash LED to set * @timeout: the flash timeout to set it to * - * Set the flash strobe duration. + * Set the flash strobe timeout. * * Returns: 0 on success or negative error value on failure */ -extern int led_set_flash_timeout(struct led_classdev_flash *fled_cdev, - u32 timeout); +int led_set_flash_timeout(struct led_classdev_flash *fled_cdev, u32 timeout); /** * led_get_flash_fault - get the flash LED fault @@ -190,7 +212,17 @@ extern int led_set_flash_timeout(struct led_classdev_flash *fled_cdev, * * Returns: 0 on success or negative error value on failure */ -extern int led_get_flash_fault(struct led_classdev_flash *fled_cdev, - u32 *fault); +int led_get_flash_fault(struct led_classdev_flash *fled_cdev, u32 *fault); + +/** + * led_set_flash_duration - set flash LED duration + * @fled_cdev: the flash LED to set + * @timeout: the flash duration to set it to + * + * Set the flash strobe duration. + * + * Returns: 0 on success or negative error value on failure + */ +int led_set_flash_duration(struct led_classdev_flash *fled_cdev, u32 duration); #endif /* __LINUX_FLASH_LEDS_H_INCLUDED */ |