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Commit 04bab350 authored by Bhumika Goyal's avatar Bhumika Goyal Committed by Takashi Iwai
Browse files

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: default avatarBhumika Goyal <bhumirks@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f3b827e0

sound/usb/mixer_scarlett.c

+6 −6
Original line number Diff line number Diff line
@@ -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 = "",