3  * CZ.NIC's Turris Omnia LEDs driver
13 #include "leds.h"
57 	struct omnia_led leds[];  member
144 	struct omnia_leds *leds = dev_get_drvdata(cdev->dev->parent);  in omnia_led_brightness_set_blocking()  local
148 	mutex_lock(&leds->lock);  in omnia_led_brightness_set_blocking()
166 			err = omnia_led_send_color_cmd(leds->client, led);  in omnia_led_brightness_set_blocking()
179 		err = omnia_cmd_write_u8(leds->client, CMD_LED_STATE, state);  in omnia_led_brightness_set_blocking()
184 	mutex_unlock(&leds->lock);  in omnia_led_brightness_set_blocking()
194 	struct omnia_leds *leds = dev_get_drvdata(cdev->dev->parent);  in omnia_hwtrig_activate()  local
198 	mutex_lock(&leds->lock);  in omnia_hwtrig_activate()
209 			err = omnia_led_send_color_cmd(leds->client, led);  in omnia_hwtrig_activate()
214 		err = omnia_cmd_write_u8(leds->client, CMD_LED_MODE,  in omnia_hwtrig_activate()
220 	mutex_unlock(&leds->lock);  in omnia_hwtrig_activate()
227 	struct omnia_leds *leds = dev_get_drvdata(cdev->dev->parent);  in omnia_hwtrig_deactivate()  local
231 	mutex_lock(&leds->lock);  in omnia_hwtrig_deactivate()
236 	err = omnia_cmd_write_u8(leds->client, CMD_LED_MODE,  in omnia_hwtrig_deactivate()
240 	mutex_unlock(&leds->lock);  in omnia_hwtrig_deactivate()
342  * can be used to control the intensity of all the LEDs at once, so that if they
388 	struct omnia_leds *leds = i2c_get_clientdata(client);  in gamma_correction_show()  local
391 	if (leds->has_gamma_correction) {  in gamma_correction_show()
407 	struct omnia_leds *leds = i2c_get_clientdata(client);  in gamma_correction_store()  local
411 	if (!leds->has_gamma_correction)  in gamma_correction_store()
456 	struct omnia_leds *leds;  in omnia_leds_probe()  local
462 		dev_err(dev, "LEDs are not defined in device tree!\n");  in omnia_leds_probe()
465 		dev_err(dev, "Too many LEDs defined in device tree!\n");  in omnia_leds_probe()
469 	leds = devm_kzalloc(dev, struct_size(leds, leds, count), GFP_KERNEL);  in omnia_leds_probe()
470 	if (!leds)  in omnia_leds_probe()
473 	leds->client = client;  in omnia_leds_probe()
474 	i2c_set_clientdata(client, leds);  in omnia_leds_probe()
483 	leds->has_gamma_correction = ret & FEAT_LED_GAMMA_CORRECTION;  in omnia_leds_probe()
484 	if (!leds->has_gamma_correction) {  in omnia_leds_probe()
491 	mutex_init(&leds->lock);  in omnia_leds_probe()
499 	led = &leds->leds[0];  in omnia_leds_probe()
515 	/* put all LEDs into default (HW triggered) mode */  in omnia_leds_remove()
519 	/* set all LEDs color to [255, 255, 255] */  in omnia_leds_remove()
530 	{ .compatible = "cznic,turris-omnia-leds", },
546 		.name	= "leds-turris-omnia",
555 MODULE_DESCRIPTION("CZ.NIC's Turris Omnia LEDs");