Allow dai drivers to register kcontrols.
Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com --- include/sound/soc.h | 2 ++ sound/soc/soc-core.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/include/sound/soc.h b/include/sound/soc.h index 2f687ed..f513758 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -372,6 +372,8 @@ int snd_soc_add_controls(struct snd_soc_codec *codec, const struct snd_kcontrol_new *controls, int num_controls); int snd_soc_add_platform_controls(struct snd_soc_platform *platform, const struct snd_kcontrol_new *controls, int num_controls); +int snd_soc_add_dai_controls(struct snd_soc_dai *dai, + const struct snd_kcontrol_new *controls, int num_controls); int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 35a1e63..d04a029 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2080,6 +2080,37 @@ int snd_soc_add_platform_controls(struct snd_soc_platform *platform, EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls);
/** + * snd_soc_add_dai_controls - add an array of controls to a dai. + * Convienience function to add a list of controls. + * + * @dai: dai to add controls to + * @controls: array of controls to add + * @num_controls: number of elements in the array + * + * Return 0 for success, else error. + */ +int snd_soc_add_dai_controls(struct snd_soc_dai *dai, + const struct snd_kcontrol_new *controls, int num_controls) +{ + struct snd_card *card = dai->card->snd_card; + int err, i; + + for (i = 0; i < num_controls; i++) { + const struct snd_kcontrol_new *control = &controls[i]; + err = snd_ctl_add(card, snd_soc_cnew(control, dai, + control->name, NULL)); + if (err < 0) { + dev_err(dai->dev, "Failed to add %s %d\n", + control->name, err); + return err; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); + +/** * snd_soc_info_enum_double - enumerated double mixer info callback * @kcontrol: mixer control * @uinfo: control element information