3  * CZ.NIC's Turris Omnia LEDs driver
13 #include "leds.h"
41 	struct omnia_led leds[];  member
48 	struct omnia_leds *leds = dev_get_drvdata(cdev->dev->parent);  in omnia_led_brightness_set_blocking()  local
53 	mutex_lock(&leds->lock);  in omnia_led_brightness_set_blocking()
67 	ret = i2c_smbus_write_byte_data(leds->client, CMD_LED_STATE, state);  in omnia_led_brightness_set_blocking()
69 		ret = i2c_master_send(leds->client, buf, 5);  in omnia_led_brightness_set_blocking()
71 	mutex_unlock(&leds->lock);  in omnia_led_brightness_set_blocking()
146  * can be used to control the intensity of all the LEDs at once, so that if they
199 	struct omnia_leds *leds;  in omnia_leds_probe()  local
205 		dev_err(dev, "LEDs are not defined in device tree!\n");  in omnia_leds_probe()
208 		dev_err(dev, "Too many LEDs defined in device tree!\n");  in omnia_leds_probe()
212 	leds = devm_kzalloc(dev, struct_size(leds, leds, count), GFP_KERNEL);  in omnia_leds_probe()
213 	if (!leds)  in omnia_leds_probe()
216 	leds->client = client;  in omnia_leds_probe()
217 	i2c_set_clientdata(client, leds);  in omnia_leds_probe()
219 	mutex_init(&leds->lock);  in omnia_leds_probe()
221 	led = &leds->leds[0];  in omnia_leds_probe()
239 	/* put all LEDs into default (HW triggered) mode */  in omnia_leds_remove()
243 	/* set all LEDs color to [255, 255, 255] */  in omnia_leds_remove()
254 	{ .compatible = "cznic,turris-omnia-leds", },
269 		.name	= "leds-turris-omnia",
278 MODULE_DESCRIPTION("CZ.NIC's Turris Omnia LEDs");