diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/leds.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h index ba5baaaa43bf..33484a5c7478 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -262,8 +262,19 @@ struct led_trigger { /* Link to next registered trigger */ struct list_head next_trig; + + const struct attribute_group **groups; }; +/* + * Currently the attributes in struct led_trigger::groups are added directly to + * the LED device. As this might change in the future, the following + * macros abstract getting the LED device and its trigger_data from the dev + * parameter passed to the attribute accessor functions. + */ +#define led_trigger_get_led(dev) ((struct led_classdev *)dev_get_drvdata((dev))) +#define led_trigger_get_drvdata(dev) (led_get_trigger_data(led_trigger_get_led(dev))) + ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr, |