snd_rawmidi_transmit_peek — copy data from the internal buffer
int snd_rawmidi_transmit_peek ( | struct snd_rawmidi_substream * substream, |
| unsigned char * buffer, | |
int count); |
Copies data from the internal output buffer to the given buffer.
Call this in the interrupt handler when the midi output is ready,
and call snd_rawmidi_transmit_ack after the transmission is
finished.