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ALSA: aoa: 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/20200103081714.9560-33-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-03 09:16:48 +01:00
parent 454f5ec1d2
commit dde5199c98
3 changed files with 3 additions and 3 deletions
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2
sound/aoa/codecs/onyx.c
View File

@ -413,7 +413,7 @@ static int onyx_snd_single_bit_put(struct snd_kcontrol *kcontrol,
}
#define SINGLE_BIT(n, type, description, address, mask, flags) \
static struct snd_kcontrol_new n##_control = { \
static const struct snd_kcontrol_new n##_control = { \
.iface = SNDRV_CTL_ELEM_IFACE_##type, \
.name = description, \
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \

2
sound/aoa/codecs/tas.c
View File

@ -369,7 +369,7 @@ static int tas_snd_mixer_put(struct snd_kcontrol *kcontrol,
}
#define MIXER_CONTROL(n,descr,idx) \
static struct snd_kcontrol_new n##_control = { \
static const struct snd_kcontrol_new n##_control = { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = descr " Playback Volume", \
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \

2
sound/aoa/fabrics/layout.c
View File

@ -655,7 +655,7 @@ static int n##_control_put(struct snd_kcontrol *kcontrol, \
!!ucontrol->value.integer.value[0]); \
return 1; \
} \
static struct snd_kcontrol_new n##_ctl = { \
static const struct snd_kcontrol_new n##_ctl = { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = description, \
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \