10 static int midi_capture_open(struct snd_rawmidi_substream *substream)  in midi_capture_open()  argument
16 static int midi_playback_open(struct snd_rawmidi_substream *substream)  in midi_playback_open()  argument
18 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_playback_open()
21 	ff->on_sysex[substream->number] = 0;  in midi_playback_open()
22 	ff->rx_midi_error[substream->number] = false;  in midi_playback_open()
24 	WRITE_ONCE(ff->rx_midi_substreams[substream->number], substream);  in midi_playback_open()
29 static int midi_capture_close(struct snd_rawmidi_substream *substream)  in midi_capture_close()  argument
35 static int midi_playback_close(struct snd_rawmidi_substream *substream)  in midi_playback_close()  argument
37 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_playback_close()
39 	cancel_work_sync(&ff->rx_midi_work[substream->number]);  in midi_playback_close()
40 	WRITE_ONCE(ff->rx_midi_substreams[substream->number], NULL);  in midi_playback_close()
45 static void midi_capture_trigger(struct snd_rawmidi_substream *substream,  in midi_capture_trigger()  argument
48 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_capture_trigger()
54 		WRITE_ONCE(ff->tx_midi_substreams[substream->number],  in midi_capture_trigger()
55 			   substream);  in midi_capture_trigger()
57 		WRITE_ONCE(ff->tx_midi_substreams[substream->number], NULL);  in midi_capture_trigger()
62 static void midi_playback_trigger(struct snd_rawmidi_substream *substream,  in midi_playback_trigger()  argument
65 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_playback_trigger()
70 	if (up || !ff->rx_midi_error[substream->number])  in midi_playback_trigger()
71 		schedule_work(&ff->rx_midi_work[substream->number]);  in midi_playback_trigger()
79 	struct snd_rawmidi_substream *substream;  in set_midi_substream_names()  local
81 	list_for_each_entry(substream, &stream->substreams, list) {  in set_midi_substream_names()
82 		scnprintf(substream->name, sizeof(substream->name),  in set_midi_substream_names()
83 			  "%s MIDI %d", name, substream->number + 1);  in set_midi_substream_names()