diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h
index 33d00a4..8d9814b 100644
--- a/include/uapi/sound/asoc.h
+++ b/include/uapi/sound/asoc.h
@@ -130,6 +130,21 @@
 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS      (1 << 1)
 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS    (1 << 2)
 
+/* DAI physical PCM data formats.
+ * Add new formats to the end of the list.
+ */
+#define SND_SOC_DAI_FORMAT_I2S          1 /* I2S mode */
+#define SND_SOC_DAI_FORMAT_RIGHT_J      2 /* Right Justified mode */
+#define SND_SOC_DAI_FORMAT_LEFT_J       3 /* Left Justified mode */
+#define SND_SOC_DAI_FORMAT_DSP_A        4 /* L data MSB after FRM LRC */
+#define SND_SOC_DAI_FORMAT_DSP_B        5 /* L data MSB during FRM LRC */
+#define SND_SOC_DAI_FORMAT_AC97         6 /* AC97 */
+#define SND_SOC_DAI_FORMAT_PDM          7 /* Pulse density modulation */
+
+/* left and right justified also known as MSB and LSB respectively */
+#define SND_SOC_DAI_FORMAT_MSB          SND_SOC_DAI_FORMAT_LEFT_J
+#define SND_SOC_DAI_FORMAT_LSB          SND_SOC_DAI_FORMAT_RIGHT_J
+
 /*
  * Block Header.
  * This header precedes all object and object arrays below.