diff options
| author | Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:16:57 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:24:34 +0100 |
| commit | 195727e8b6a896d898b048e44fdf7ea52d36bd7e (patch) | |
| tree | 460195870919ceddca2ca25e6c8c1752100bd6a1 /sound/usb/6fire | |
| parent | 1aeb1c7f281ea7b372d5801fda119df73b1be98c (diff) | |
ALSA: usb: Constify snd_kcontrol_new items
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/20200103081714.9560-42-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/6fire')
| -rw-r--r-- | sound/usb/6fire/control.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/usb/6fire/control.c b/sound/usb/6fire/control.c index de1f030eaf72..20f34d2ace5f 100644 --- a/sound/usb/6fire/control.c +++ b/sound/usb/6fire/control.c @@ -397,7 +397,7 @@ static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol, return 0; } -static struct snd_kcontrol_new vol_elements[] = { +static const struct snd_kcontrol_new vol_elements[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Volume", @@ -437,7 +437,7 @@ static struct snd_kcontrol_new vol_elements[] = { {} }; -static struct snd_kcontrol_new mute_elements[] = { +static const struct snd_kcontrol_new mute_elements[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Switch", @@ -471,7 +471,7 @@ static struct snd_kcontrol_new mute_elements[] = { {} }; -static struct snd_kcontrol_new elements[] = { +static const struct snd_kcontrol_new elements[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line/Phono Capture Route", @@ -517,7 +517,7 @@ static int usb6fire_control_add_virtual( struct control_runtime *rt, struct snd_card *card, char *name, - struct snd_kcontrol_new *elems) + const struct snd_kcontrol_new *elems) { int ret; int i; |