65 static void regulator_led_enable(struct regulator_led *led)  in regulator_led_enable()  argument
69 	if (led->enabled)  in regulator_led_enable()
72 	ret = regulator_enable(led->vcc);  in regulator_led_enable()
74 		dev_err(led->cdev.dev, "Failed to enable vcc: %d\n", ret);  in regulator_led_enable()
78 	led->enabled = 1;  in regulator_led_enable()
81 static void regulator_led_disable(struct regulator_led *led)  in regulator_led_disable()  argument
85 	if (!led->enabled)  in regulator_led_disable()
88 	ret = regulator_disable(led->vcc);  in regulator_led_disable()
90 		dev_err(led->cdev.dev, "Failed to disable vcc: %d\n", ret);  in regulator_led_disable()
94 	led->enabled = 0;  in regulator_led_disable()
97 static void regulator_led_set_value(struct regulator_led *led)  in regulator_led_set_value()  argument
102 	mutex_lock(&led->mutex);  in regulator_led_set_value()
104 	if (led->value == LED_OFF) {  in regulator_led_set_value()
105 		regulator_led_disable(led);  in regulator_led_set_value()
109 	if (led->cdev.max_brightness > 1) {  in regulator_led_set_value()
110 		voltage = led_regulator_get_voltage(led->vcc, led->value);  in regulator_led_set_value()
111 		dev_dbg(led->cdev.dev, "brightness: %d voltage: %d\n",  in regulator_led_set_value()
112 				led->value, voltage);  in regulator_led_set_value()
114 		ret = regulator_set_voltage(led->vcc, voltage, voltage);  in regulator_led_set_value()
116 			dev_err(led->cdev.dev, "Failed to set voltage %d: %d\n",  in regulator_led_set_value()
120 	regulator_led_enable(led);  in regulator_led_set_value()
123 	mutex_unlock(&led->mutex);  in regulator_led_set_value()
128 	struct regulator_led *led;  in led_work()  local
130 	led = container_of(work, struct regulator_led, work);  in led_work()
131 	regulator_led_set_value(led);  in led_work()
137 	struct regulator_led *led = to_regulator_led(led_cdev);  in regulator_led_brightness_set()  local
139 	led->value = value;  in regulator_led_brightness_set()
140 	schedule_work(&led->work);  in regulator_led_brightness_set()
147 	struct regulator_led *led;  in regulator_led_probe()  local
162 	led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);  in regulator_led_probe()
163 	if (led == NULL)  in regulator_led_probe()
166 	led->cdev.max_brightness = led_regulator_get_max_brightness(vcc);  in regulator_led_probe()
167 	if (pdata->brightness > led->cdev.max_brightness) {  in regulator_led_probe()
172 	led->value = pdata->brightness;  in regulator_led_probe()
174 	led->cdev.brightness_set = regulator_led_brightness_set;  in regulator_led_probe()
175 	led->cdev.name = pdata->name;  in regulator_led_probe()
176 	led->cdev.flags |= LED_CORE_SUSPENDRESUME;  in regulator_led_probe()
177 	led->vcc = vcc;  in regulator_led_probe()
180 	if (regulator_is_enabled(led->vcc))  in regulator_led_probe()
181 		led->enabled = 1;  in regulator_led_probe()
183 	mutex_init(&led->mutex);  in regulator_led_probe()
184 	INIT_WORK(&led->work, led_work);  in regulator_led_probe()
186 	platform_set_drvdata(pdev, led);  in regulator_led_probe()
188 	ret = led_classdev_register(&pdev->dev, &led->cdev);  in regulator_led_probe()
190 		cancel_work_sync(&led->work);  in regulator_led_probe()
195 	led->cdev.brightness = led->value;  in regulator_led_probe()
198 	regulator_led_set_value(led);  in regulator_led_probe()
205 	struct regulator_led *led = platform_get_drvdata(pdev);  in regulator_led_remove()  local
207 	led_classdev_unregister(&led->cdev);  in regulator_led_remove()
208 	cancel_work_sync(&led->work);  in regulator_led_remove()
209 	regulator_led_disable(led);  in regulator_led_remove()