20 static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
26 void line6_midi_receive(struct usb_line6 *line6, unsigned char *data,  in line6_midi_receive()  argument
29 	if (line6->line6midi->substream_receive)  in line6_midi_receive()
30 		snd_rawmidi_receive(line6->line6midi->substream_receive,  in line6_midi_receive()
39 	struct usb_line6 *line6 =  in line6_midi_transmit()  local
40 	    line6_rawmidi_substream_midi(substream)->line6;  in line6_midi_transmit()
41 	struct snd_line6_midi *line6midi = line6->line6midi;  in line6_midi_transmit()
47 		req = min(line6_midibuf_bytes_free(mb), line6->max_packet_size);  in line6_midi_transmit()
64 		send_midi_async(line6, chunk, done);  in line6_midi_transmit()
76 	struct usb_line6 *line6 = (struct usb_line6 *)urb->context;  in midi_sent()  local
85 	spin_lock_irqsave(&line6->line6midi->lock, flags);  in midi_sent()
86 	num = --line6->line6midi->num_active_send_urbs;  in midi_sent()
89 		line6_midi_transmit(line6->line6midi->substream_transmit);  in midi_sent()
90 		num = line6->line6midi->num_active_send_urbs;  in midi_sent()
94 		wake_up(&line6->line6midi->send_wait);  in midi_sent()
96 	spin_unlock_irqrestore(&line6->line6midi->lock, flags);  in midi_sent()
104 static int send_midi_async(struct usb_line6 *line6, unsigned char *data,  in send_midi_async()  argument
123 	usb_fill_int_urb(urb, line6->usbdev,  in send_midi_async()
124 			 usb_sndintpipe(line6->usbdev,  in send_midi_async()
125 					 line6->properties->ep_ctrl_w),  in send_midi_async()
126 			 transfer_buffer, length, midi_sent, line6,  in send_midi_async()
127 			 line6->interval);  in send_midi_async()
137 	++line6->line6midi->num_active_send_urbs;  in send_midi_async()
141 	dev_err(line6->ifcdev, "usb_submit_urb failed\n");  in send_midi_async()
160 	struct usb_line6 *line6 =  in line6_midi_output_trigger()  local
161 	    line6_rawmidi_substream_midi(substream)->line6;  in line6_midi_output_trigger()
163 	line6->line6midi->substream_transmit = substream;  in line6_midi_output_trigger()
164 	spin_lock_irqsave(&line6->line6midi->lock, flags);  in line6_midi_output_trigger()
166 	if (line6->line6midi->num_active_send_urbs == 0)  in line6_midi_output_trigger()
169 	spin_unlock_irqrestore(&line6->line6midi->lock, flags);  in line6_midi_output_trigger()
174 	struct usb_line6 *line6 =  in line6_midi_output_drain()  local
175 	    line6_rawmidi_substream_midi(substream)->line6;  in line6_midi_output_drain()
176 	struct snd_line6_midi *midi = line6->line6midi;  in line6_midi_output_drain()
195 	struct usb_line6 *line6 =  in line6_midi_input_trigger()  local
196 	    line6_rawmidi_substream_midi(substream)->line6;  in line6_midi_input_trigger()
199 		line6->line6midi->substream_receive = substream;  in line6_midi_input_trigger()
201 		line6->line6midi->substream_receive = NULL;  in line6_midi_input_trigger()
218 static int snd_line6_new_midi(struct usb_line6 *line6,  in snd_line6_new_midi()  argument
224 	err = snd_rawmidi_new(line6->card, "Line 6 MIDI", 0, 1, 1, rmidi_ret);  in snd_line6_new_midi()
229 	strcpy(rmidi->id, line6->properties->id);  in snd_line6_new_midi()
230 	strcpy(rmidi->name, line6->properties->name);  in snd_line6_new_midi()
256 int line6_init_midi(struct usb_line6 *line6)  in line6_init_midi()  argument
262 	if (!(line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI)) {  in line6_init_midi()
267 	err = snd_line6_new_midi(line6, &rmidi);  in line6_init_midi()
280 	line6midi->line6 = line6;  in line6_init_midi()
290 	line6->line6midi = line6midi;  in line6_init_midi()