123 			struct urb urb;  member
181 static void playback_urb_complete(struct urb *usb_urb)  in playback_urb_complete()
183 	struct ua101_urb *urb = (struct ua101_urb *)usb_urb;  in playback_urb_complete()  local
184 	struct ua101 *ua = urb->urb.context;  in playback_urb_complete()
187 	if (unlikely(urb->urb.status == -ENOENT ||	/* unlinked */  in playback_urb_complete()
188 		     urb->urb.status == -ENODEV ||	/* device removed */  in playback_urb_complete()
189 		     urb->urb.status == -ECONNRESET ||	/* unlinked */  in playback_urb_complete()
190 		     urb->urb.status == -ESHUTDOWN)) {	/* device disabled */  in playback_urb_complete()
199 		list_add_tail(&urb->ready_list, &ua->ready_playback_urbs);  in playback_urb_complete()
203 				urb->urb.iso_frame_desc[0].length /  in playback_urb_complete()
209 static void first_playback_urb_complete(struct urb *urb)  in first_playback_urb_complete()  argument
211 	struct ua101 *ua = urb->context;  in first_playback_urb_complete()
213 	urb->complete = playback_urb_complete;  in first_playback_urb_complete()
214 	playback_urb_complete(urb);  in first_playback_urb_complete()
221 static bool copy_playback_data(struct ua101_stream *stream, struct urb *urb,  in copy_playback_data()  argument
232 		memcpy(urb->transfer_buffer, source, frames * frame_bytes);  in copy_playback_data()
236 		memcpy(urb->transfer_buffer, source, frames1 * frame_bytes);  in copy_playback_data()
237 		memcpy(urb->transfer_buffer + frames1 * frame_bytes,  in copy_playback_data()
265 	struct ua101_urb *urb;  in playback_tasklet()  local
292 		urb = list_first_entry(&ua->ready_playback_urbs,  in playback_tasklet()
294 		list_del(&urb->ready_list);  in playback_tasklet()
297 		urb->urb.iso_frame_desc[0].length =  in playback_tasklet()
301 								&urb->urb,  in playback_tasklet()
304 			memset(urb->urb.transfer_buffer, 0,  in playback_tasklet()
305 			       urb->urb.iso_frame_desc[0].length);  in playback_tasklet()
308 		err = usb_submit_urb(&urb->urb, GFP_ATOMIC);  in playback_tasklet()
325 static bool copy_capture_data(struct ua101_stream *stream, struct urb *urb,  in copy_capture_data()  argument
336 		memcpy(dest, urb->transfer_buffer, frames * frame_bytes);  in copy_capture_data()
340 		memcpy(dest, urb->transfer_buffer, frames1 * frame_bytes);  in copy_capture_data()
342 		       urb->transfer_buffer + frames1 * frame_bytes,  in copy_capture_data()
357 static void capture_urb_complete(struct urb *urb)  in capture_urb_complete()  argument
359 	struct ua101 *ua = urb->context;  in capture_urb_complete()
366 	if (unlikely(urb->status == -ENOENT ||		/* unlinked */  in capture_urb_complete()
367 		     urb->status == -ENODEV ||		/* device removed */  in capture_urb_complete()
368 		     urb->status == -ECONNRESET ||	/* unlinked */  in capture_urb_complete()
369 		     urb->status == -ESHUTDOWN))	/* device disabled */  in capture_urb_complete()
372 	if (urb->status >= 0 && urb->iso_frame_desc[0].status >= 0)  in capture_urb_complete()
373 		frames = urb->iso_frame_desc[0].actual_length /  in capture_urb_complete()
381 		do_period_elapsed = copy_capture_data(stream, urb, frames);  in capture_urb_complete()
386 		err = usb_submit_urb(urb, GFP_ATOMIC);  in capture_urb_complete()
431 static void first_capture_urb_complete(struct urb *urb)  in first_capture_urb_complete()  argument
433 	struct ua101 *ua = urb->context;  in first_capture_urb_complete()
435 	urb->complete = capture_urb_complete;  in first_capture_urb_complete()
436 	capture_urb_complete(urb);  in first_capture_urb_complete()
447 		int err = usb_submit_urb(&stream->urbs[i]->urb, GFP_KERNEL);  in submit_stream_urbs()
463 			usb_kill_urb(&stream->urbs[i]->urb);  in kill_stream_urbs()
528 	ua->capture.urbs[0]->urb.complete = first_capture_urb_complete;  in start_usb_capture()
553 	struct urb *urb;  in start_usb_playback()  local
570 	ua->playback.urbs[0]->urb.complete =  in start_usb_playback()
600 		urb = &ua->playback.urbs[i]->urb;  in start_usb_playback()
601 		urb->iso_frame_desc[0].length =  in start_usb_playback()
603 		memset(urb->transfer_buffer, 0,  in start_usb_playback()
604 		       urb->iso_frame_desc[0].length);  in start_usb_playback()
1103 			     void (*urb_complete)(struct urb *))  in alloc_stream_urbs()  argument
1106 	struct ua101_urb *urb;  in alloc_stream_urbs()  local
1117 			urb = kmalloc(sizeof(*urb), GFP_KERNEL);  in alloc_stream_urbs()
1118 			if (!urb)  in alloc_stream_urbs()
1120 			usb_init_urb(&urb->urb);  in alloc_stream_urbs()
1121 			urb->urb.dev = ua->dev;  in alloc_stream_urbs()
1122 			urb->urb.pipe = stream->usb_pipe;  in alloc_stream_urbs()
1123 			urb->urb.transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in alloc_stream_urbs()
1124 			urb->urb.transfer_buffer = addr;  in alloc_stream_urbs()
1125 			urb->urb.transfer_dma = dma;  in alloc_stream_urbs()
1126 			urb->urb.transfer_buffer_length = max_packet_size;  in alloc_stream_urbs()
1127 			urb->urb.number_of_packets = 1;  in alloc_stream_urbs()
1128 			urb->urb.interval = 1;  in alloc_stream_urbs()
1129 			urb->urb.context = ua;  in alloc_stream_urbs()
1130 			urb->urb.complete = urb_complete;  in alloc_stream_urbs()
1131 			urb->urb.iso_frame_desc[0].offset = 0;  in alloc_stream_urbs()
1132 			urb->urb.iso_frame_desc[0].length = max_packet_size;  in alloc_stream_urbs()
1133 			stream->urbs[u++] = urb;  in alloc_stream_urbs()