SNDRV_SERIAL_MAX_OUTS
struct snd_rawmidi_substream *midi_output[SNDRV_SERIAL_MAX_OUTS];
unsigned char prev_status[SNDRV_SERIAL_MAX_OUTS];
memset(uart->prev_status, 0x80, sizeof(unsigned char) * SNDRV_SERIAL_MAX_OUTS);
if (outs[dev] < 1 || outs[dev] > SNDRV_SERIAL_MAX_OUTS) {
SNDRV_SERIAL_MAX_OUTS, outs[dev]);