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>
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f3b827e0b1
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04bab35044
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@ -477,7 +477,7 @@ static int scarlett_ctl_meter_get(struct snd_kcontrol *kctl,
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return 0;
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}
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static struct snd_kcontrol_new usb_scarlett_ctl_switch = {
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static const struct snd_kcontrol_new usb_scarlett_ctl_switch = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "",
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.info = scarlett_ctl_switch_info,
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@ -487,7 +487,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl_switch = {
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static const DECLARE_TLV_DB_SCALE(db_scale_scarlett_gain, -12800, 100, 0);
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static struct snd_kcontrol_new usb_scarlett_ctl = {
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static const struct snd_kcontrol_new usb_scarlett_ctl = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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@ -499,7 +499,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl = {
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.tlv = { .p = db_scale_scarlett_gain }
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};
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static struct snd_kcontrol_new usb_scarlett_ctl_master = {
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static const struct snd_kcontrol_new usb_scarlett_ctl_master = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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@ -511,7 +511,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl_master = {
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.tlv = { .p = db_scale_scarlett_gain }
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};
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static struct snd_kcontrol_new usb_scarlett_ctl_enum = {
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static const struct snd_kcontrol_new usb_scarlett_ctl_enum = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "",
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.info = scarlett_ctl_enum_info,
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@ -519,7 +519,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl_enum = {
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.put = scarlett_ctl_enum_put,
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};
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static struct snd_kcontrol_new usb_scarlett_ctl_dynamic_enum = {
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static const struct snd_kcontrol_new usb_scarlett_ctl_dynamic_enum = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "",
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.info = scarlett_ctl_enum_dynamic_info,
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@ -527,7 +527,7 @@ static struct snd_kcontrol_new usb_scarlett_ctl_dynamic_enum = {
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.put = scarlett_ctl_enum_put,
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};
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static struct snd_kcontrol_new usb_scarlett_ctl_sync = {
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static const struct snd_kcontrol_new usb_scarlett_ctl_sync = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
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.name = "",
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