ALSA: pci: Constify snd_rawmidi_ops

Now snd_rawmidi_ops is maintained as a const pointer in snd_rawmidi,
we can constify the definitions.

Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/pci/echoaudio/midi.c b/sound/pci/echoaudio/midi.c
index a8fe58335ddc..8c685ddb1a41 100644
--- a/sound/pci/echoaudio/midi.c
+++ b/sound/pci/echoaudio/midi.c
@@ -288,13 +288,13 @@ static int snd_echo_midi_output_close(struct snd_rawmidi_substream *substream)
 
 
 
-static struct snd_rawmidi_ops snd_echo_midi_input = {
+static const struct snd_rawmidi_ops snd_echo_midi_input = {
         .open = snd_echo_midi_input_open,
         .close = snd_echo_midi_input_close,
         .trigger = snd_echo_midi_input_trigger,
 };
 
-static struct snd_rawmidi_ops snd_echo_midi_output = {
+static const struct snd_rawmidi_ops snd_echo_midi_output = {
         .open = snd_echo_midi_output_open,
         .close = snd_echo_midi_output_close,
         .trigger = snd_echo_midi_output_trigger,