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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-02-09 14:53:35 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-02-09 14:53:35 +1100 |
| commit | 904f8b0174a37cc10f97b5517e20911f762887a5 (patch) | |
| tree | 59a89c846cd8692b472efdfc7fd7aeeaf56d2591 /include | |
| parent | 3af0212130665293c2610050e68d71fc3cfaf237 (diff) | |
| parent | 8bb1de680dac8bcd8a1d60be12080bb9b89c16d0 (diff) | |
Merge remote-tracking branch 'leds/for-next'
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/leds.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h index 569cb531094c..38c0bd7ca107 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -13,6 +13,7 @@ #define __LINUX_LEDS_H_INCLUDED #include <linux/device.h> +#include <linux/kernfs.h> #include <linux/list.h> #include <linux/mutex.h> #include <linux/rwsem.h> @@ -27,6 +28,7 @@ struct device; enum led_brightness { LED_OFF = 0, + LED_ON = 1, LED_HALF = 127, LED_FULL = 255, }; @@ -46,6 +48,7 @@ struct led_classdev { #define LED_DEV_CAP_FLASH (1 << 18) #define LED_HW_PLUGGABLE (1 << 19) #define LED_PANIC_INDICATOR (1 << 20) +#define LED_BRIGHT_HW_CHANGED (1 << 21) /* set_brightness_work / blink_timer flags, atomic, private. */ unsigned long work_flags; @@ -110,6 +113,11 @@ struct led_classdev { bool activated; #endif +#ifdef CONFIG_LEDS_BRIGHTNESS_HW_CHANGED + int brightness_hw_changed; + struct kernfs_node *brightness_hw_changed_kn; +#endif + /* Ensures consistent access to the LED Flash Class device */ struct mutex led_access; }; @@ -422,4 +430,12 @@ static inline void ledtrig_cpu(enum cpu_led_event evt) } #endif +#ifdef CONFIG_LEDS_BRIGHTNESS_HW_CHANGED +extern void led_classdev_notify_brightness_hw_changed( + struct led_classdev *led_cdev, enum led_brightness brightness); +#else +static inline void led_classdev_notify_brightness_hw_changed( + struct led_classdev *led_cdev, enum led_brightness brightness) { } +#endif + #endif /* __LINUX_LEDS_H_INCLUDED */ |