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ALSA: control: Make snd_ctl_find_id() argument const

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The id object passed to snd_ctl_find_id() is only read, and we can
mark it with const gracefully.

Link: https://lore.kernel.org/r/20230718141304.1032-9-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2023-07-18 16:13:01 +02:00
parent dc438bac71
commit 6723670a48
2 changed files with 2 additions and 2 deletions
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2
include/sound/control.h
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@ -141,7 +141,7 @@ int snd_ctl_rename_id(struct snd_card * card, struct snd_ctl_elem_id *src_id, st
void snd_ctl_rename(struct snd_card *card, struct snd_kcontrol *kctl, const char *name);
int snd_ctl_activate_id(struct snd_card *card, struct snd_ctl_elem_id *id, int active);
struct snd_kcontrol *snd_ctl_find_numid(struct snd_card * card, unsigned int numid);
struct snd_kcontrol *snd_ctl_find_id(struct snd_card * card, struct snd_ctl_elem_id *id);
struct snd_kcontrol *snd_ctl_find_id(struct snd_card *card, const struct snd_ctl_elem_id *id);
int snd_ctl_create(struct snd_card *card);

2
sound/core/control.c
View File

@ -858,7 +858,7 @@ EXPORT_SYMBOL(snd_ctl_find_numid);
*
*/
struct snd_kcontrol *snd_ctl_find_id(struct snd_card *card,
struct snd_ctl_elem_id *id)
const struct snd_ctl_elem_id *id)
{
struct snd_kcontrol *kctl;