ALSA: spi: 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/20200103081714.9560-19-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/spi/at73c213.c b/sound/spi/at73c213.c
index 77563baf7a8f8799c4aec952d7eb5095751cc395..d6f2b19cfa39242e6e90f9784b10a8b5989cdcd0 100644 (file)
--- a/sound/spi/at73c213.c
+++ b/sound/spi/at73c213.c
@@ -874,7 +874,7 @@ static int snd_at73c213_dev_free(struct snd_device *device)
 static int snd_at73c213_dev_init(struct snd_card *card,
                                 struct spi_device *spi)
 {
-       static struct snd_device_ops ops = {
+       static const struct snd_device_ops ops = {
                .dev_free       = snd_at73c213_dev_free,
        };
        struct snd_at73c213 *chip = get_chip(card);