diff options
Diffstat (limited to 'drivers/leds/leds.h')
| -rw-r--r-- | drivers/leds/leds.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/leds/leds.h b/drivers/leds/leds.h new file mode 100644 index 000000000..aa64757a4 --- /dev/null +++ b/drivers/leds/leds.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * LED Core + * + * Copyright 2005 Openedhand Ltd. + * + * Author: Richard Purdie <rpurdie@openedhand.com> + */ +#ifndef __LEDS_H_INCLUDED +#define __LEDS_H_INCLUDED + +#include <linux/rwsem.h> +#include <linux/leds.h> + +static inline int led_get_brightness(struct led_classdev *led_cdev) +{ + return led_cdev->brightness; +} + +void led_init_core(struct led_classdev *led_cdev); +void led_stop_software_blink(struct led_classdev *led_cdev); +void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value); +void led_set_brightness_nosleep(struct led_classdev *led_cdev, unsigned int value); +ssize_t led_trigger_read(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t pos, size_t count); +ssize_t led_trigger_write(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, char *buf, + loff_t pos, size_t count); +enum led_default_state led_init_default_state_get(struct fwnode_handle *fwnode); + +extern struct rw_semaphore leds_list_lock; +extern struct list_head leds_list; +extern struct list_head trigger_list; +extern const char * const led_colors[LED_COLOR_ID_MAX]; + +#endif /* __LEDS_H_INCLUDED */ |