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| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-06-12 11:31:42 -0400 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-06-12 11:31:42 -0400 |
| commit | 89aa02edaa30e4327ebc8fca9b80795bbfd4ce9b (patch) | |
| tree | 10c96a25b500be034e38db049a22f53881b0fb4d /include/sound/control.h | |
| parent | ec3ac2c8d941dad959dcdc760aa43bc45785d346 (diff) | |
| parent | 1ddaaa244021aba8496536a6627b4ad2bc0f936a (diff) | |
Merge drm/drm-next into drm-xe-next
Needed to get tracing cleanup and add mmio tracing series.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'include/sound/control.h')
| -rw-r--r-- | include/sound/control.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/sound/control.h b/include/sound/control.h index 9a4f4f7138da..c1659036c4a7 100644 --- a/include/sound/control.h +++ b/include/sound/control.h @@ -167,6 +167,29 @@ snd_ctl_find_id_mixer(struct snd_card *card, const char *name) return snd_ctl_find_id(card, &id); } +/** + * snd_ctl_find_id_mixer_locked - find the control instance with the given name string + * @card: the card instance + * @name: the name string + * + * Finds the control instance with the given name and + * @SNDRV_CTL_ELEM_IFACE_MIXER. Other fields are set to zero. + * + * This is merely a wrapper to snd_ctl_find_id_locked(). + * The caller must down card->controls_rwsem before calling this function. + * + * Return: The pointer of the instance if found, or %NULL if not. + */ +static inline struct snd_kcontrol * +snd_ctl_find_id_mixer_locked(struct snd_card *card, const char *name) +{ + struct snd_ctl_elem_id id = {}; + + id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + strscpy(id.name, name, sizeof(id.name)); + return snd_ctl_find_id_locked(card, &id); +} + int snd_ctl_create(struct snd_card *card); int snd_ctl_register_ioctl(snd_kctl_ioctl_func_t fcn); |
