diff --git a/sound/soc/codecs/wm5100.h b/sound/soc/codecs/wm5100.h
index fa32b12..9707596 100644
--- a/sound/soc/codecs/wm5100.h
+++ b/sound/soc/codecs/wm5100.h
@@ -96,6 +96,7 @@
 #define WM5100_MIC_DETECT_1                     0x290
 #define WM5100_MIC_DETECT_2                     0x291
 #define WM5100_MIC_DETECT_3                     0x292
+#define WM5100_MISC_CONTROL                     0x2BB
 #define WM5100_INPUT_ENABLES                    0x301
 #define WM5100_INPUT_ENABLES_STATUS             0x302
 #define WM5100_IN1L_CONTROL                     0x310
@@ -1389,6 +1390,12 @@
 #define WM5100_ACCDET_STS_WIDTH                      1  /* ACCDET_STS */
 
 /*
+ * R699 (0x2BB) - Misc Control
+ */
+#define WM5100_HPCOM_SRC                         0x200  /* HPCOM_SRC */
+#define WM5100_HPCOM_SRC_SHIFT                       9  /* HPCOM_SRC */
+
+/*
  * R769 (0x301) - Input Enables
  */
 #define WM5100_IN4L_ENA                         0x0080  /* IN4L_ENA */