3  * CZ.NIC's Turris Omnia LEDs driver
47  * @leds:			flexible array of per-LED data
54 	struct omnia_led leds[];  member
96 	struct omnia_leds *leds = dev_get_drvdata(cdev->dev->parent);  in omnia_led_brightness_set_blocking()  local
100 	mutex_lock(&leds->lock);  in omnia_led_brightness_set_blocking()
118 			err = omnia_led_send_color_cmd(leds->client, led);  in omnia_led_brightness_set_blocking()
131 		err = omnia_cmd_write_u8(leds->client, OMNIA_CMD_LED_STATE, state);  in omnia_led_brightness_set_blocking()
136 	mutex_unlock(&leds->lock);  in omnia_led_brightness_set_blocking()
146 	struct omnia_leds *leds = dev_get_drvdata(cdev->dev->parent);  in omnia_hwtrig_activate()  local
150 	mutex_lock(&leds->lock);  in omnia_hwtrig_activate()
161 			err = omnia_led_send_color_cmd(leds->client, led);  in omnia_hwtrig_activate()
166 		err = omnia_cmd_write_u8(leds->client, OMNIA_CMD_LED_MODE,  in omnia_hwtrig_activate()
172 	mutex_unlock(&leds->lock);  in omnia_hwtrig_activate()
179 	struct omnia_leds *leds = dev_get_drvdata(cdev->dev->parent);  in omnia_hwtrig_deactivate()  local
183 	mutex_lock(&leds->lock);  in omnia_hwtrig_deactivate()
188 	err = omnia_cmd_write_u8(leds->client, OMNIA_CMD_LED_MODE,  in omnia_hwtrig_deactivate()
191 	mutex_unlock(&leds->lock);  in omnia_hwtrig_deactivate()
281  * can be used to control the intensity of all the LEDs at once, so that if they
327 	struct omnia_leds *leds = i2c_get_clientdata(client);  in gamma_correction_show()  local
331 	if (leds->has_gamma_correction) {  in gamma_correction_show()
345 	struct omnia_leds *leds = i2c_get_clientdata(client);  in gamma_correction_store()  local
349 	if (!leds->has_gamma_correction)  in gamma_correction_store()
370 	struct omnia_leds *leds = data;  in omnia_brightness_changed_threaded_fn()  local
372 	if (unlikely(!leds->brightness_knode)) {  in omnia_brightness_changed_threaded_fn()
377 		leds->brightness_knode = sysfs_get_dirent(leds->client->dev.kobj.sd, "brightness");  in omnia_brightness_changed_threaded_fn()
378 		if (!leds->brightness_knode)  in omnia_brightness_changed_threaded_fn()
382 	sysfs_notify_dirent(leds->brightness_knode);  in omnia_brightness_changed_threaded_fn()
389 	struct omnia_leds *leds = data;  in omnia_brightness_knode_put()  local
391 	if (leds->brightness_knode)  in omnia_brightness_knode_put()
392 		sysfs_put(leds->brightness_knode);  in omnia_brightness_knode_put()
395 static int omnia_request_brightness_irq(struct omnia_leds *leds)  in omnia_request_brightness_irq()  argument
397 	struct device *dev = &leds->client->dev;  in omnia_request_brightness_irq()
400 	if (!leds->client->irq) {  in omnia_request_brightness_irq()
412 	ret = devm_add_action(dev, omnia_brightness_knode_put, leds);  in omnia_request_brightness_irq()
416 	return devm_request_threaded_irq(dev, leds->client->irq, NULL,  in omnia_request_brightness_irq()
418 					 "leds-turris-omnia", leds);  in omnia_request_brightness_irq()
472 	struct omnia_leds *leds;  in omnia_leds_probe()  local
478 		return dev_err_probe(dev, -ENODEV, "LEDs are not defined in device tree!\n");  in omnia_leds_probe()
480 		return dev_err_probe(dev, -EINVAL, "Too many LEDs defined in device tree!\n");  in omnia_leds_probe()
482 	leds = devm_kzalloc(dev, struct_size(leds, leds, count), GFP_KERNEL);  in omnia_leds_probe()
483 	if (!leds)  in omnia_leds_probe()
486 	leds->client = client;  in omnia_leds_probe()
487 	i2c_set_clientdata(client, leds);  in omnia_leds_probe()
493 	leds->has_gamma_correction = ret & OMNIA_FEAT_LED_GAMMA_CORRECTION;  in omnia_leds_probe()
496 		ret = omnia_request_brightness_irq(leds);  in omnia_leds_probe()
501 	mutex_init(&leds->lock);  in omnia_leds_probe()
507 	led = &leds->leds[0];  in omnia_leds_probe()
521 	/* Put all LEDs into default (HW triggered) mode */  in omnia_leds_remove()
524 	/* Set all LEDs color to [255, 255, 255] */  in omnia_leds_remove()
529 	{ .compatible = "cznic,turris-omnia-leds", },
545 		.name	= "leds-turris-omnia",
554 MODULE_DESCRIPTION("CZ.NIC's Turris Omnia LEDs");