30 	struct led_classdev *led_cdev = (void *)data;  in led_timer_function()  local
34 	if (!led_cdev->blink_delay_on || !led_cdev->blink_delay_off) {  in led_timer_function()
35 		led_set_brightness_async(led_cdev, LED_OFF);  in led_timer_function()
39 	if (led_cdev->flags & LED_BLINK_ONESHOT_STOP) {  in led_timer_function()
40 		led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;  in led_timer_function()
44 	brightness = led_get_brightness(led_cdev);  in led_timer_function()
47 		if (led_cdev->delayed_set_value) {  in led_timer_function()
48 			led_cdev->blink_brightness =  in led_timer_function()
49 					led_cdev->delayed_set_value;  in led_timer_function()
50 			led_cdev->delayed_set_value = 0;  in led_timer_function()
52 		brightness = led_cdev->blink_brightness;  in led_timer_function()
53 		delay = led_cdev->blink_delay_on;  in led_timer_function()
58 		led_cdev->blink_brightness = brightness;  in led_timer_function()
60 		delay = led_cdev->blink_delay_off;  in led_timer_function()
63 	led_set_brightness_async(led_cdev, brightness);  in led_timer_function()
69 	if (led_cdev->flags & LED_BLINK_ONESHOT) {  in led_timer_function()
70 		if (led_cdev->flags & LED_BLINK_INVERT) {  in led_timer_function()
72 				led_cdev->flags |= LED_BLINK_ONESHOT_STOP;  in led_timer_function()
75 				led_cdev->flags |= LED_BLINK_ONESHOT_STOP;  in led_timer_function()
79 	mod_timer(&led_cdev->blink_timer, jiffies + msecs_to_jiffies(delay));  in led_timer_function()
84 	struct led_classdev *led_cdev =  in set_brightness_delayed()  local
87 	led_stop_software_blink(led_cdev);  in set_brightness_delayed()
89 	led_set_brightness_async(led_cdev, led_cdev->delayed_set_value);  in set_brightness_delayed()
92 static void led_set_software_blink(struct led_classdev *led_cdev,  in led_set_software_blink()  argument
98 	current_brightness = led_get_brightness(led_cdev);  in led_set_software_blink()
100 		led_cdev->blink_brightness = current_brightness;  in led_set_software_blink()
101 	if (!led_cdev->blink_brightness)  in led_set_software_blink()
102 		led_cdev->blink_brightness = led_cdev->max_brightness;  in led_set_software_blink()
104 	led_cdev->blink_delay_on = delay_on;  in led_set_software_blink()
105 	led_cdev->blink_delay_off = delay_off;  in led_set_software_blink()
109 		led_set_brightness_async(led_cdev, LED_OFF);  in led_set_software_blink()
115 		led_set_brightness_async(led_cdev, led_cdev->blink_brightness);  in led_set_software_blink()
119 	mod_timer(&led_cdev->blink_timer, jiffies + 1);  in led_set_software_blink()
123 static void led_blink_setup(struct led_classdev *led_cdev,  in led_blink_setup()  argument
127 	if (!(led_cdev->flags & LED_BLINK_ONESHOT) &&  in led_blink_setup()
128 	    led_cdev->blink_set &&  in led_blink_setup()
129 	    !led_cdev->blink_set(led_cdev, delay_on, delay_off))  in led_blink_setup()
136 	led_set_software_blink(led_cdev, *delay_on, *delay_off);  in led_blink_setup()
139 void led_init_core(struct led_classdev *led_cdev)  in led_init_core()  argument
141 	INIT_WORK(&led_cdev->set_brightness_work, set_brightness_delayed);  in led_init_core()
143 	setup_timer(&led_cdev->blink_timer, led_timer_function,  in led_init_core()
144 		    (unsigned long)led_cdev);  in led_init_core()
148 void led_blink_set(struct led_classdev *led_cdev,  in led_blink_set()  argument
152 	del_timer_sync(&led_cdev->blink_timer);  in led_blink_set()
154 	led_cdev->flags &= ~LED_BLINK_ONESHOT;  in led_blink_set()
155 	led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;  in led_blink_set()
157 	led_blink_setup(led_cdev, delay_on, delay_off);  in led_blink_set()
161 void led_blink_set_oneshot(struct led_classdev *led_cdev,  in led_blink_set_oneshot()  argument
166 	if ((led_cdev->flags & LED_BLINK_ONESHOT) &&  in led_blink_set_oneshot()
167 	     timer_pending(&led_cdev->blink_timer))  in led_blink_set_oneshot()
170 	led_cdev->flags |= LED_BLINK_ONESHOT;  in led_blink_set_oneshot()
171 	led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;  in led_blink_set_oneshot()
174 		led_cdev->flags |= LED_BLINK_INVERT;  in led_blink_set_oneshot()
176 		led_cdev->flags &= ~LED_BLINK_INVERT;  in led_blink_set_oneshot()
178 	led_blink_setup(led_cdev, delay_on, delay_off);  in led_blink_set_oneshot()
182 void led_stop_software_blink(struct led_classdev *led_cdev)  in led_stop_software_blink()  argument
184 	del_timer_sync(&led_cdev->blink_timer);  in led_stop_software_blink()
185 	led_cdev->blink_delay_on = 0;  in led_stop_software_blink()
186 	led_cdev->blink_delay_off = 0;  in led_stop_software_blink()
190 void led_set_brightness(struct led_classdev *led_cdev,  in led_set_brightness()  argument
196 	if (led_cdev->blink_delay_on || led_cdev->blink_delay_off) {  in led_set_brightness()
197 		led_cdev->delayed_set_value = brightness;  in led_set_brightness()
199 			schedule_work(&led_cdev->set_brightness_work);  in led_set_brightness()
203 	if (led_cdev->flags & SET_BRIGHTNESS_ASYNC) {  in led_set_brightness()
204 		led_set_brightness_async(led_cdev, brightness);  in led_set_brightness()
206 	} else if (led_cdev->flags & SET_BRIGHTNESS_SYNC)  in led_set_brightness()
207 		ret = led_set_brightness_sync(led_cdev, brightness);  in led_set_brightness()
212 		dev_dbg(led_cdev->dev, "Setting LED brightness failed (%d)\n",  in led_set_brightness()
217 int led_update_brightness(struct led_classdev *led_cdev)  in led_update_brightness()  argument
221 	if (led_cdev->brightness_get) {  in led_update_brightness()
222 		ret = led_cdev->brightness_get(led_cdev);  in led_update_brightness()
224 			led_cdev->brightness = ret;  in led_update_brightness()
234 void led_sysfs_disable(struct led_classdev *led_cdev)  in led_sysfs_disable()  argument
236 	lockdep_assert_held(&led_cdev->led_access);  in led_sysfs_disable()
238 	led_cdev->flags |= LED_SYSFS_DISABLE;  in led_sysfs_disable()
243 void led_sysfs_enable(struct led_classdev *led_cdev)  in led_sysfs_enable()  argument
245 	lockdep_assert_held(&led_cdev->led_access);  in led_sysfs_enable()
247 	led_cdev->flags &= ~LED_SYSFS_DISABLE;  in led_sysfs_enable()