2  * ff-midi.c - a part of driver for RME Fireface series
9 #include "ff.h"
19 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_playback_open()  local
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()
38 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_playback_close()  local
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()
49 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_capture_trigger()  local
52 	spin_lock_irqsave(&ff->lock, flags);  in midi_capture_trigger()
55 		WRITE_ONCE(ff->tx_midi_substreams[substream->number],  in midi_capture_trigger()
58 		WRITE_ONCE(ff->tx_midi_substreams[substream->number], NULL);  in midi_capture_trigger()
60 	spin_unlock_irqrestore(&ff->lock, flags);  in midi_capture_trigger()
66 	struct snd_ff *ff = substream->rmidi->private_data;  in midi_playback_trigger()  local
69 	spin_lock_irqsave(&ff->lock, flags);  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()
74 	spin_unlock_irqrestore(&ff->lock, flags);  in midi_playback_trigger()
88 int snd_ff_create_midi_devices(struct snd_ff *ff)  in snd_ff_create_midi_devices()  argument
104 	err = snd_rawmidi_new(ff->card, ff->card->driver, 0,  in snd_ff_create_midi_devices()
105 			      ff->spec->midi_out_ports, ff->spec->midi_in_ports,  in snd_ff_create_midi_devices()
111 		 "%s MIDI", ff->card->shortname);  in snd_ff_create_midi_devices()
112 	rmidi->private_data = ff;  in snd_ff_create_midi_devices()
118 	set_midi_substream_names(stream, ff->card->shortname);  in snd_ff_create_midi_devices()
124 	set_midi_substream_names(stream, ff->card->shortname);  in snd_ff_create_midi_devices()