snd_rawmidi_output_trigger 171 sound/core/rawmidi.c snd_rawmidi_output_trigger(substream, 0); snd_rawmidi_output_trigger 500 sound/core/rawmidi.c snd_rawmidi_output_trigger(substream, 0); snd_rawmidi_output_trigger 1186 sound/core/rawmidi.c snd_rawmidi_output_trigger(substream, 1);