ALSA: ppc: Constify snd_kcontrol_new items
Most of snd_kcontrol_new definitions are read-only and passed as-is.
Let's declare them as const for further optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-39-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c
index 2b4c026..6d2a33b 100644
--- a/sound/ppc/snd_ps3.c
+++ b/sound/ppc/snd_ps3.c
@@ -715,7 +715,7 @@ static int snd_ps3_spdif_default_put(struct snd_kcontrol *kcontrol,
return 0;
}
-static struct snd_kcontrol_new spdif_ctls[] = {
+static const struct snd_kcontrol_new spdif_ctls[] = {
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,