media/rc/ttusbir.c

45 	struct ttusbir *tt = container_of(led_dev, struct ttusbir, led);
47 	return tt->led_on ? LED_FULL : LED_OFF;
50 static void ttusbir_set_led(struct ttusbir *tt)
56 	if (tt->led_on != tt->is_led_on && tt->udev &&
57 				atomic_add_unless(&tt->led_complete, 1, 1)) {
58 		tt->bulk_buffer[4] = tt->is_led_on = tt->led_on;
59 		ret = usb_submit_urb(tt->bulk_urb, GFP_ATOMIC);
61 			dev_warn(tt->dev, "failed to submit bulk urb: %d\n",
63 			atomic_dec(&tt->led_complete);
71 	struct ttusbir *tt = container_of(led_dev, struct ttusbir, led);
73 	tt->led_on = brightness != LED_OFF;
75 	ttusbir_set_led(tt);
83 	struct ttusbir *tt = urb->context;
85 	atomic_dec(&tt->led_complete);
96 		dev_dbg(tt->dev, "Error: urb status = %d\n", urb->status);
100 	ttusbir_set_led(tt);
108 static void ttusbir_process_ir_data(struct ttusbir *tt, uint8_t *buf)
120 			if (ir_raw_event_store_with_filter(tt->rc, &rawir))
126 			if (ir_raw_event_store_with_filter(tt->rc, &rawir))
140 			if (ir_raw_event_store_with_filter(tt->rc, &rawir))
145 			if (ir_raw_event_store_with_filter(tt->rc, &rawir))
153 		ir_raw_event_handle(tt->rc);
158 	struct ttusbir *tt = urb->context;
163 		ttusbir_process_ir_data(tt, urb->transfer_buffer);
171 		dev_dbg(tt->dev, "Error: urb status = %d\n", urb->status);
177 		dev_warn(tt->dev, "failed to resubmit urb: %d\n", rc);
183 	struct ttusbir *tt;
190 	tt = kzalloc(sizeof(*tt), GFP_KERNEL);
192 	if (!tt || !rc) {
216 				tt->bulk_out_endp = bulk_out_endp;
217 				tt->iso_in_endp = iso_in_endp;
230 	tt->dev = &intf->dev;
231 	tt->udev = interface_to_usbdev(intf);
232 	tt->rc = rc;
234 	ret = usb_set_interface(tt->udev, 0, altsetting);
247 		urb->dev = tt->udev;
248 		urb->context = tt;
249 		urb->pipe = usb_rcvisocpipe(tt->udev, tt->iso_in_endp);
251 		buffer = usb_alloc_coherent(tt->udev, 128, GFP_KERNEL,
269 		tt->urb[i] = urb;
272 	tt->bulk_urb = usb_alloc_urb(0, GFP_KERNEL);
273 	if (!tt->bulk_urb) {
278 	tt->bulk_buffer[0] = 0xaa;
279 	tt->bulk_buffer[1] = 0x01;
280 	tt->bulk_buffer[2] = 0x05;
281 	tt->bulk_buffer[3] = 0x01;
283 	usb_fill_bulk_urb(tt->bulk_urb, tt->udev, usb_sndbulkpipe(tt->udev,
284 		tt->bulk_out_endp), tt->bulk_buffer, sizeof(tt->bulk_buffer),
285 						ttusbir_bulk_complete, tt);
287 	tt->led.name = "ttusbir:green:power";
288 	tt->led.default_trigger = "rc-feedback";
289 	tt->led.brightness_set = ttusbir_brightness_set;
290 	tt->led.brightness_get = ttusbir_brightness_get;
291 	tt->is_led_on = tt->led_on = true;
292 	atomic_set(&tt->led_complete, 0);
293 	ret = led_classdev_register(&intf->dev, &tt->led);
297 	usb_make_path(tt->udev, tt->phys, sizeof(tt->phys));
300 	rc->input_phys = tt->phys;
301 	usb_to_input_id(tt->udev, &rc->input_id);
304 	rc->priv = tt;
323 	usb_set_intfdata(intf, tt);
326 		ret = usb_submit_urb(tt->urb[i], GFP_KERNEL);
328 			dev_err(tt->dev, "failed to submit urb %d\n", ret);
338 	led_classdev_unregister(&tt->led);
340 	if (tt) {
341 		for (i = 0; i < NUM_URBS && tt->urb[i]; i++) {
342 			struct urb *urb = tt->urb[i];
345 			usb_free_coherent(tt->udev, 128, urb->transfer_buffer,
349 		usb_kill_urb(tt->bulk_urb);
350 		usb_free_urb(tt->bulk_urb);
351 		kfree(tt);
360 	struct ttusbir *tt = usb_get_intfdata(intf);
361 	struct usb_device *udev = tt->udev;
364 	tt->udev = NULL;
366 	rc_unregister_device(tt->rc);
367 	led_classdev_unregister(&tt->led);
369 		usb_kill_urb(tt->urb[i]);
370 		usb_free_coherent(udev, 128, tt->urb[i]->transfer_buffer,
371 						tt->urb[i]->transfer_dma);
372 		usb_free_urb(tt->urb[i]);
374 	usb_kill_urb(tt->bulk_urb);
375 	usb_free_urb(tt->bulk_urb);
377 	kfree(tt);
382 	struct ttusbir *tt = usb_get_intfdata(intf);
386 		usb_kill_urb(tt->urb[i]);
388 	led_classdev_suspend(&tt->led);
389 	usb_kill_urb(tt->bulk_urb);
396 	struct ttusbir *tt = usb_get_intfdata(intf);
399 	tt->is_led_on = true;
400 	led_classdev_resume(&tt->led);
403 		rc = usb_submit_urb(tt->urb[i], GFP_NOIO);
405 			dev_warn(tt->dev, "failed to submit urb: %d\n", rc);