ALSA: sh: Constify snd_device_ops definitions

Now we may declare const for snd_device_ops definitions, so let's do
it for optimization.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-18-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/sh/sh_dac_audio.c b/sound/sh/sh_dac_audio.c
index b1e171dfe3611eb6cb6e5339cf595c9d7eb715ca..4affdc128119440d2ee24f47898bf218eb1769e5 100644 (file)
--- a/sound/sh/sh_dac_audio.c
+++ b/sound/sh/sh_dac_audio.c
@@ -325,7 +325,7 @@ static int snd_sh_dac_create(struct snd_card *card,
        struct snd_sh_dac *chip;
        int err;
 
-       static struct snd_device_ops ops = {
+       static const struct snd_device_ops ops = {
                   .dev_free = snd_sh_dac_dev_free,
        };