3 files changed, 17 insertions, 0 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 13676472ddf..22b729fbbf8 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -208,6 +208,7 @@ struct snd_soc_dai {
 	/* DAI capabilities */
 	struct snd_soc_pcm_stream capture;
 	struct snd_soc_pcm_stream playback;
+	unsigned int symmetric_rates:1;
 
 	/* DAI runtime info */
 	struct snd_pcm_runtime *runtime;
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index a7def6a9a03..fcc929da033 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -140,9 +140,19 @@
 #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \
 {	.id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \
 	.shift = wshift, .invert = winvert}
+#define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \
+			   wevent, wflags)				\
+{	.id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \
+	.shift = wshift, .invert = winvert, \
+	.event = wevent, .event_flags = wflags}
 #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \
 {	.id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \
 	.shift = wshift, .invert = winvert}
+#define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \
+			   wevent, wflags)				\
+{	.id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \
+	.shift = wshift, .invert = winvert, \
+	.event = wevent, .event_flags = wflags}
 
 /* generic register modifier widget */
 #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \
diff --git a/include/sound/soc.h b/include/sound/soc.h
index a40bc6f316f..b1f2f8819fe 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -417,6 +417,12 @@ struct snd_soc_dai_link  {
 	/* codec/machine specific init - e.g. add machine controls */
 	int (*init)(struct snd_soc_codec *codec);
 
+	/* Symmetry requirements */
+	unsigned int symmetric_rates:1;
+
+	/* Symmetry data - only valid if symmetry is being enforced */
+	unsigned int rate;
+
 	/* DAI pcm */
 	struct snd_pcm *pcm;
 };