11 static int midi_capture_open(struct snd_rawmidi_substream *substream)  in midi_capture_open()  argument
17 static int midi_playback_open(struct snd_rawmidi_substream *substream)  in midi_playback_open()  argument
19 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_playback_open()
22 	ff->running_status[substream->number] = 0;  in midi_playback_open()
23 	ff->rx_midi_error[substream->number] = false;  in midi_playback_open()
25 	WRITE_ONCE(ff->rx_midi_substreams[substream->number], substream);  in midi_playback_open()
30 static int midi_capture_close(struct snd_rawmidi_substream *substream)  in midi_capture_close()  argument
36 static int midi_playback_close(struct snd_rawmidi_substream *substream)  in midi_playback_close()  argument
38 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_playback_close()
40 	cancel_work_sync(&ff->rx_midi_work[substream->number]);  in midi_playback_close()
41 	WRITE_ONCE(ff->rx_midi_substreams[substream->number], NULL);  in midi_playback_close()
46 static void midi_capture_trigger(struct snd_rawmidi_substream *substream,  in midi_capture_trigger()  argument
49 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_capture_trigger()
55 		WRITE_ONCE(ff->tx_midi_substreams[substream->number],  in midi_capture_trigger()
56 			   substream);  in midi_capture_trigger()
58 		WRITE_ONCE(ff->tx_midi_substreams[substream->number], NULL);  in midi_capture_trigger()
63 static void midi_playback_trigger(struct snd_rawmidi_substream *substream,  in midi_playback_trigger()  argument
66 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_playback_trigger()
71 	if (up || !ff->rx_midi_error[substream->number])  in midi_playback_trigger()
72 		schedule_work(&ff->rx_midi_work[substream->number]);  in midi_playback_trigger()
80 	struct snd_rawmidi_substream *substream;  in set_midi_substream_names()  local
82 	list_for_each_entry(substream, &stream->substreams, list) {  in set_midi_substream_names()
83 		snprintf(substream->name, sizeof(substream->name),  in set_midi_substream_names()
84 			 "%s MIDI %d", name, substream->number + 1);  in set_midi_substream_names()