19  * Nominally 3125 bytes/second, but the MIDI port's clock might be
26  * In any case, this is more than enough for the MIDI data rate.
31 	struct snd_rawmidi_substream *midi[AM824_MAX_CHANNELS_FOR_MIDI * 8];  member
47  * @midi_ports: the number of MIDI ports (i.e., MPX-MIDI Data Channels)
99 	/* init the position map for PCM and MIDI channels */  in amdtp_am824_set_parameters()
105 	 * We do not know the actual MIDI FIFO size of most devices.  Just  in amdtp_am824_set_parameters()
107 	 * the previous one is transmitted over MIDI.  in amdtp_am824_set_parameters()
134  * amdtp_am824_set_midi_position - set a index of data channel for MIDI
243  * amdtp_am824_midi_trigger - start/stop playback/capture with a MIDI device
245  * @port: index of MIDI port
246  * @midi: the MIDI device to be started, or %NULL to stop the current device
249  * transmission of MIDI data.  This function should be called from the MIDI
253 			      struct snd_rawmidi_substream *midi)  in amdtp_am824_midi_trigger()  argument
258 		WRITE_ONCE(p->midi[port], midi);  in amdtp_am824_midi_trigger()
263  * To avoid sending MIDI bytes at too high a rate, assume that the receiving
308 		    p->midi[port] != NULL &&  in write_midi_messages()
309 		    snd_rawmidi_transmit(p->midi[port], &b[1], 1) == 1) {  in write_midi_messages()
340 		if ((1 <= len) &&  (len <= 3) && (p->midi[port]))  in read_midi_messages()
341 			snd_rawmidi_receive(p->midi[port], b + 1, len);  in read_midi_messages()