ASoC: Allow idle_bias_off to be specified in CODEC drivers

If devices can unconditionally support idle_bias_off let them flag it in
their driver structure.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 3fe658e..6da55a1 100644 (file)
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -633,6 +633,7 @@ struct snd_soc_codec_driver {
        /* codec bias level */
        int (*set_bias_level)(struct snd_soc_codec *,
                              enum snd_soc_bias_level level);
+       bool idle_bias_off;
 
        void (*seq_notifier)(struct snd_soc_dapm_context *,
                             enum snd_soc_dapm_type, int);

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index ae93aa8..f8f985a 100644 (file)
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -956,6 +956,8 @@ static int soc_probe_codec(struct snd_soc_card *card,
                snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets,
                                          driver->num_dapm_widgets);
 
+       codec->dapm.idle_bias_off = driver->idle_bias_off;
+
        if (driver->probe) {
                ret = driver->probe(codec);
                if (ret < 0) {