diff --git a/include/sound/soc.h b/include/sound/soc.h index f30f3fe4a41bed42369b71d3f4c67d2b1799c0e6..c421501532db9ef40ae2f8eb2e4a022d60edcab5 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -368,6 +368,8 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, const char *prefix); 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_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 d08abf4e3eb35a0a5ed7da19145c3e0504f65efc..16651814ecba3480779519d575cb7deeeab56b22 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1948,6 +1948,36 @@ int snd_soc_add_controls(struct snd_soc_codec *codec, } EXPORT_SYMBOL_GPL(snd_soc_add_controls); +/** + * snd_soc_add_platform_controls - add an array of controls to a platform. + * Convienience function to add a list of controls. + * + * @platform: platform 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_platform_controls(struct snd_soc_platform *platform, + const struct snd_kcontrol_new *controls, int num_controls) +{ + struct snd_card *card = platform->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, platform, + control->name, NULL)); + if (err < 0) { + dev_err(platform->dev, "Failed to add %s %d\n",control->name, err); + return err; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); + /** * snd_soc_info_enum_double - enumerated double mixer info callback * @kcontrol: mixer control