diff options
Diffstat (limited to 'drivers/leds/led-class.c')
-rw-r--r-- | drivers/leds/led-class.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 6c4a326176d7..52f82e3ea13a 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c | |||
@@ -91,9 +91,29 @@ void led_classdev_resume(struct led_classdev *led_cdev) | |||
91 | } | 91 | } |
92 | EXPORT_SYMBOL_GPL(led_classdev_resume); | 92 | EXPORT_SYMBOL_GPL(led_classdev_resume); |
93 | 93 | ||
94 | static int led_suspend(struct device *dev, pm_message_t state) | ||
95 | { | ||
96 | struct led_classdev *led_cdev = dev_get_drvdata(dev); | ||
97 | |||
98 | if (led_cdev->flags & LED_CORE_SUSPENDRESUME) | ||
99 | led_classdev_suspend(led_cdev); | ||
100 | |||
101 | return 0; | ||
102 | } | ||
103 | |||
104 | static int led_resume(struct device *dev) | ||
105 | { | ||
106 | struct led_classdev *led_cdev = dev_get_drvdata(dev); | ||
107 | |||
108 | if (led_cdev->flags & LED_CORE_SUSPENDRESUME) | ||
109 | led_classdev_resume(led_cdev); | ||
110 | |||
111 | return 0; | ||
112 | } | ||
113 | |||
94 | /** | 114 | /** |
95 | * led_classdev_register - register a new object of led_classdev class. | 115 | * led_classdev_register - register a new object of led_classdev class. |
96 | * @dev: The device to register. | 116 | * @parent: The device to register. |
97 | * @led_cdev: the led_classdev structure for this device. | 117 | * @led_cdev: the led_classdev structure for this device. |
98 | */ | 118 | */ |
99 | int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) | 119 | int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) |
@@ -174,6 +194,8 @@ static int __init leds_init(void) | |||
174 | leds_class = class_create(THIS_MODULE, "leds"); | 194 | leds_class = class_create(THIS_MODULE, "leds"); |
175 | if (IS_ERR(leds_class)) | 195 | if (IS_ERR(leds_class)) |
176 | return PTR_ERR(leds_class); | 196 | return PTR_ERR(leds_class); |
197 | leds_class->suspend = led_suspend; | ||
198 | leds_class->resume = led_resume; | ||
177 | return 0; | 199 | return 0; |
178 | } | 200 | } |
179 | 201 | ||