3 files changed, 17 insertions, 0 deletions

diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 13676472ddfc..22b729fbbf84 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 a7def6a9a030..fcc929da0339 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 a40bc6f316fc..b1f2f8819fea 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;
 };