diff options
Diffstat (limited to 'include/linux/leds.h')
| -rw-r--r-- | include/linux/leds.h | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h index ba4861ec73d3..d71201a968b6 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -10,17 +10,21 @@ #include <dt-bindings/leds/common.h> #include <linux/device.h> -#include <linux/kernfs.h> -#include <linux/list.h> #include <linux/mutex.h> #include <linux/rwsem.h> #include <linux/spinlock.h> #include <linux/timer.h> +#include <linux/types.h> #include <linux/workqueue.h> -struct device; -struct led_pattern; +struct attribute_group; struct device_node; +struct fwnode_handle; +struct gpio_desc; +struct kernfs_node; +struct led_pattern; +struct platform_device; + /* * LED Core */ @@ -39,6 +43,21 @@ enum led_default_state { LEDS_DEFSTATE_KEEP = 2, }; +/** + * struct led_lookup_data - represents a single LED lookup entry + * + * @list: internal list of all LED lookup entries + * @provider: name of led_classdev providing the LED + * @dev_id: name of the device associated with this LED + * @con_id: name of the LED from the device's point of view + */ +struct led_lookup_data { + struct list_head list; + const char *provider; + const char *dev_id; + const char *con_id; +}; + struct led_init_data { /* device fwnode handle */ struct fwnode_handle *fwnode; @@ -63,6 +82,8 @@ struct led_init_data { bool devname_mandatory; }; +enum led_default_state led_init_default_state_get(struct fwnode_handle *fwnode); + struct led_hw_trigger_type { int dummy; }; @@ -211,6 +232,12 @@ void devm_led_classdev_unregister(struct device *parent, void led_classdev_suspend(struct led_classdev *led_cdev); void led_classdev_resume(struct led_classdev *led_cdev); +void led_add_lookup(struct led_lookup_data *led_lookup); +void led_remove_lookup(struct led_lookup_data *led_lookup); + +struct led_classdev *__must_check led_get(struct device *dev, char *con_id); +struct led_classdev *__must_check devm_led_get(struct device *dev, char *con_id); + extern struct led_classdev *of_led_get(struct device_node *np, int index); extern void led_put(struct led_classdev *led_cdev); struct led_classdev *__must_check devm_of_led_get(struct device *dev, @@ -508,7 +535,6 @@ struct led_properties { const char *label; }; -struct gpio_desc; typedef int (*gpio_blink_set_t)(struct gpio_desc *desc, int state, unsigned long *delay_on, unsigned long *delay_off); |