diff options
author | Jani Nikula <jani.nikula@intel.com> | 2024-06-19 11:38:31 +0300 |
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committer | Jani Nikula <jani.nikula@intel.com> | 2024-06-19 11:38:31 +0300 |
commit | d754ed2821fd9675d203cb73c4afcd593e28b7d0 (patch) | |
tree | cd16683cd956a7c334d7e1b3baf02e2e7baa729c /include/sound/control.h | |
parent | dcaacff03a9fa2838f936e1009b4b7ad56807152 (diff) | |
parent | 1ddaaa244021aba8496536a6627b4ad2bc0f936a (diff) |
Merge drm/drm-next into drm-intel-next
Sync to v6.10-rc3.
Signed-off-by: Jani Nikula <jani.nikula@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); |