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author | Liam Girdwood <lrg@ti.com> | 2011-07-04 22:10:51 +0100 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-07-05 11:07:34 -0700 |
commit | a491a5c84f34febfebd4cb0b8c9add97977efa97 (patch) | |
tree | 9592273ff0d88e02297c63b90d595bfc623e18b6 /sound/soc/soc-core.c | |
parent | 8a27bd9a33187a10c5157434b2274487f6679e49 (diff) | |
download | op-kernel-dev-a491a5c84f34febfebd4cb0b8c9add97977efa97.zip op-kernel-dev-a491a5c84f34febfebd4cb0b8c9add97977efa97.tar.gz |
ASoC: core - Add API call to register platform kcontrols.
In preparation for Dynamic PCM (AKA DSP) support.
Allow platform drivers to register kcontrols.
Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r-- | sound/soc/soc-core.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index d08abf4..1665181 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1949,6 +1949,36 @@ 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 * @uinfo: control element information |