28 	struct snd_usb_caiaqdev *cdev = substream->rmidi->private_data;  in snd_usb_caiaq_midi_input_trigger()  local
30 	if (!cdev)  in snd_usb_caiaq_midi_input_trigger()
33 	cdev->midi_receive_substream = up ? substream : NULL;  in snd_usb_caiaq_midi_input_trigger()
44 	struct snd_usb_caiaqdev *cdev = substream->rmidi->private_data;  in snd_usb_caiaq_midi_output_close()  local
45 	if (cdev->midi_out_active) {  in snd_usb_caiaq_midi_output_close()
46 		usb_kill_urb(&cdev->midi_out_urb);  in snd_usb_caiaq_midi_output_close()
47 		cdev->midi_out_active = 0;  in snd_usb_caiaq_midi_output_close()
52 static void snd_usb_caiaq_midi_send(struct snd_usb_caiaqdev *cdev,  in snd_usb_caiaq_midi_send()  argument
56 	struct device *dev = caiaqdev_to_dev(cdev);  in snd_usb_caiaq_midi_send()
58 	cdev->midi_out_buf[0] = EP1_CMD_MIDI_WRITE;  in snd_usb_caiaq_midi_send()
59 	cdev->midi_out_buf[1] = 0; /* port */  in snd_usb_caiaq_midi_send()
60 	len = snd_rawmidi_transmit(substream, cdev->midi_out_buf + 3,  in snd_usb_caiaq_midi_send()
66 	cdev->midi_out_buf[2] = len;  in snd_usb_caiaq_midi_send()
67 	cdev->midi_out_urb.transfer_buffer_length = len+3;  in snd_usb_caiaq_midi_send()
69 	ret = usb_submit_urb(&cdev->midi_out_urb, GFP_ATOMIC);  in snd_usb_caiaq_midi_send()
75 		cdev->midi_out_active = 1;  in snd_usb_caiaq_midi_send()
80 	struct snd_usb_caiaqdev *cdev = substream->rmidi->private_data;  in snd_usb_caiaq_midi_output_trigger()  local
83 		cdev->midi_out_substream = substream;  in snd_usb_caiaq_midi_output_trigger()
84 		if (!cdev->midi_out_active)  in snd_usb_caiaq_midi_output_trigger()
85 			snd_usb_caiaq_midi_send(cdev, substream);  in snd_usb_caiaq_midi_output_trigger()
87 		cdev->midi_out_substream = NULL;  in snd_usb_caiaq_midi_output_trigger()
106 void snd_usb_caiaq_midi_handle_input(struct snd_usb_caiaqdev *cdev,  in snd_usb_caiaq_midi_handle_input()  argument
109 	if (!cdev->midi_receive_substream)  in snd_usb_caiaq_midi_handle_input()
112 	snd_rawmidi_receive(cdev->midi_receive_substream, buf, len);  in snd_usb_caiaq_midi_handle_input()
152 	struct snd_usb_caiaqdev *cdev = urb->context;  in snd_usb_caiaq_midi_output_done()  local
154 	cdev->midi_out_active = 0;  in snd_usb_caiaq_midi_output_done()
158 	if (!cdev->midi_out_substream)  in snd_usb_caiaq_midi_output_done()
161 	snd_usb_caiaq_midi_send(cdev, cdev->midi_out_substream);  in snd_usb_caiaq_midi_output_done()