SNDRV_RAWMIDI_FRAMING_DATA_LENGTH
__u8 data[SNDRV_RAWMIDI_FRAMING_DATA_LENGTH];
if (src_count >= SNDRV_RAWMIDI_FRAMING_DATA_LENGTH)
frame.length = SNDRV_RAWMIDI_FRAMING_DATA_LENGTH;
memset(frame.data, 0, SNDRV_RAWMIDI_FRAMING_DATA_LENGTH);
__u8 data[SNDRV_RAWMIDI_FRAMING_DATA_LENGTH];