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-rw-r--r--include/sound/soc-dapm.h3
-rw-r--r--include/sound/soc.h28
2 files changed, 26 insertions, 5 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index bf4cf0c1d37..f8223fae580 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -221,7 +221,8 @@ int snd_soc_dapm_add_routes(struct snd_soc_codec *codec,
/* dapm events */
int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, char *stream,
int event);
-int snd_soc_dapm_device_event(struct snd_soc_device *socdev, int event);
+int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev,
+ enum snd_soc_bias_level level);
/* dapm sys fs - used by the core */
int snd_soc_dapm_sys_add(struct device *dev);
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 73accbcfbd2..bca9538d9e5 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -103,6 +103,24 @@
.private_value = (unsigned long)&xenum }
/*
+ * Bias levels
+ *
+ * @ON: Bias is fully on for audio playback and capture operations.
+ * @PREPARE: Prepare for audio operations. Called before DAPM switching for
+ * stream start and stop operations.
+ * @STANDBY: Low power standby state when no playback/capture operations are
+ * in progress. NOTE: The transition time between STANDBY and ON
+ * should be as fast as possible and no longer than 10ms.
+ * @OFF: Power Off. No restrictions on transition times.
+ */
+enum snd_soc_bias_level {
+ SND_SOC_BIAS_ON,
+ SND_SOC_BIAS_PREPARE,
+ SND_SOC_BIAS_STANDBY,
+ SND_SOC_BIAS_OFF,
+};
+
+/*
* Digital Audio Interface (DAI) types
*/
#define SND_SOC_DAI_AC97 0x1
@@ -356,7 +374,8 @@ struct snd_soc_codec {
struct mutex mutex;
/* callbacks */
- int (*dapm_event)(struct snd_soc_codec *codec, int event);
+ int (*set_bias_level)(struct snd_soc_codec *,
+ enum snd_soc_bias_level level);
/* runtime */
struct snd_card *card;
@@ -378,8 +397,8 @@ struct snd_soc_codec {
/* dapm */
struct list_head dapm_widgets;
struct list_head dapm_paths;
- unsigned int dapm_state;
- unsigned int suspend_dapm_state;
+ enum snd_soc_bias_level bias_level;
+ enum snd_soc_bias_level suspend_bias_level;
struct delayed_work delayed_work;
/* codec DAI's */
@@ -449,7 +468,8 @@ struct snd_soc_machine {
int (*resume_post)(struct platform_device *pdev);
/* callbacks */
- int (*dapm_event)(struct snd_soc_machine *, int event);
+ int (*set_bias_level)(struct snd_soc_machine *,
+ enum snd_soc_bias_level level);
/* CPU <--> Codec DAI links */
struct snd_soc_dai_link *dai_link;