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ALSA: sparc: Constify snd_kcontrol_new items

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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/20200103081714.9560-40-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-03 09:16:55 +01:00
parent c031b0cc77
commit f8a32d94f3
3 changed files with 3 additions and 3 deletions
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2
sound/sparc/amd7930.c
View file

@ -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",

2
sound/sparc/cs4231.c
View file

@ -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,

2
sound/sparc/dbri.c
View file

@ -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",