1 files changed, 5 insertions, 0 deletions
diff --git a/code/fe310/eos/i2s.h b/code/fe310/eos/i2s.h
index 81d13f4..744958e 100644
--- a/code/fe310/eos/i2s.h
+++ b/code/fe310/eos/i2s.h
@@ -3,6 +3,11 @@
 #define EOS_I2S_FMT_ALAW        0
 #define EOS_I2S_FMT_PCM16       1
 
+/* should match i2s_def.h definitions */
+#define EOS_I2S_ETYPE_MIC       1
+#define EOS_I2S_ETYPE_SPK       2
+
+
 typedef struct EOSABuf {
     uint16_t idx_r;
     uint16_t idx_w;