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authorBhumika Goyal <bhumirks@gmail.com>2017-02-21 21:03:27 +0100
committerTakashi Iwai <tiwai@suse.de>2017-02-21 22:02:03 +0100
commit04bab35044e7aa54031e55e3f7039141c54e70d7 (patch)
treef99ec8a5e47c6b0d04d64f679300021e19d13c1e /sound/usb/mixer_scarlett.c
parentALSA: pci: constify snd_kcontrol_new structures (diff)
downloadlinux-04bab35044e7aa54031e55e3f7039141c54e70d7.tar.xz
linux-04bab35044e7aa54031e55e3f7039141c54e70d7.zip
ALSA: usb-audio: constify snd_kcontrol_new structures
Declare snd_kcontrol_new structures as const as they are only passed as an argument to the function add_new_ctl. This agrument is of type const, so snd_kcontrol_new structures having this property can be made const too. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/mixer_scarlett.c')
-rw-r--r--sound/usb/mixer_scarlett.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/sound/usb/mixer_scarlett.c b/sound/usb/mixer_scarlett.c
index 7438e7c4a842..c33e2378089d 100644
--- a/sound/usb/mixer_scarlett.c
+++ b/sound/usb/mixer_scarlett.c
@@ -477,7 +477,7 @@ static int scarlett_ctl_meter_get(struct snd_kcontrol *kctl,
return 0;
}
-static struct snd_kcontrol_new usb_scarlett_ctl_switch = {
+static const struct snd_kcontrol_new usb_scarlett_ctl_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "",
.info = scarlett_ctl_switch_info,
@@ -487,7 +487,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl_switch = {
static const DECLARE_TLV_DB_SCALE(db_scale_scarlett_gain, -12800, 100, 0);
-static struct snd_kcontrol_new usb_scarlett_ctl = {
+static const struct snd_kcontrol_new usb_scarlett_ctl = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
@@ -499,7 +499,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl = {
.tlv = { .p = db_scale_scarlett_gain }
};
-static struct snd_kcontrol_new usb_scarlett_ctl_master = {
+static const struct snd_kcontrol_new usb_scarlett_ctl_master = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
@@ -511,7 +511,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl_master = {
.tlv = { .p = db_scale_scarlett_gain }
};
-static struct snd_kcontrol_new usb_scarlett_ctl_enum = {
+static const struct snd_kcontrol_new usb_scarlett_ctl_enum = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "",
.info = scarlett_ctl_enum_info,
@@ -519,7 +519,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl_enum = {
.put = scarlett_ctl_enum_put,
};
-static struct snd_kcontrol_new usb_scarlett_ctl_dynamic_enum = {
+static const struct snd_kcontrol_new usb_scarlett_ctl_dynamic_enum = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "",
.info = scarlett_ctl_enum_dynamic_info,
@@ -527,7 +527,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl_dynamic_enum = {
.put = scarlett_ctl_enum_put,
};
-static struct snd_kcontrol_new usb_scarlett_ctl_sync = {
+static const struct snd_kcontrol_new usb_scarlett_ctl_sync = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.name = "",