snd_uart16550_output_write(substream);
}
-static struct snd_rawmidi_ops snd_uart16550_output =
+static const struct snd_rawmidi_ops snd_uart16550_output =
{
.open = snd_uart16550_output_open,
.close = snd_uart16550_output_close,
.trigger = snd_uart16550_output_trigger,
};
-static struct snd_rawmidi_ops snd_uart16550_input =
+static const struct snd_rawmidi_ops snd_uart16550_input =
{
.open = snd_uart16550_input_open,
.close = snd_uart16550_input_close,