[alsa-devel] [PATCH 39/58] ALSA: sparc: Constify snd_kcontrol_new items

[Takashi Iwai]

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.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/sparc/amd7930.c | 2 +-
 sound/sparc/cs4231.c  | 2 +-
 sound/sparc/dbri.c    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c
index 916bed46be06..9d0da5fa1c70 100644
--- a/sound/sparc/amd7930.c
+++ b/sound/sparc/amd7930.c
@@ -837,7 +837,7 @@ static int snd_amd7930_put_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem
 	return change;
 }
 
-static struct snd_kcontrol_new amd7930_controls[] = {
+static const struct snd_kcontrol_new amd7930_controls[] = {
 	{
 		.iface		=	SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name		=	"Monitor Volume",
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index b0e5b4a83a26..59f812b5ce59 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -1479,7 +1479,7 @@ static int snd_cs4231_put_double(struct snd_kcontrol *kcontrol,
   .private_value = (left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | \
 		   ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22) }
 
-static struct snd_kcontrol_new snd_cs4231_controls[] = {
+static const struct snd_kcontrol_new snd_cs4231_controls[] = {
 CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT,
 		CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
 CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT,
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index 1390a52d6cfd..aaa1493b9ef9 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -2410,7 +2410,7 @@ static int snd_cs4215_put_single(struct snd_kcontrol *kcontrol,
   .private_value = (entry) | ((shift) << 8) | ((mask) << 16) |	\
 			((invert) << 24) },
 
-static struct snd_kcontrol_new dbri_controls[] = {
+static const struct snd_kcontrol_new dbri_controls[] = {
 	{
 	 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 	 .name  = "Playback Volume",
-- 
2.16.4