diff --git a/include/media/saa7115.h b/include/media/saa7115.h
index 6b4836f..9f0e228 100644
--- a/include/media/saa7115.h
+++ b/include/media/saa7115.h
@@ -1,5 +1,5 @@
 /*
-    saa7115.h - definition for saa7113/4/5 inputs
+    saa7115.h - definition for saa7113/4/5 inputs and frequency flags
 
     Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl)
 
@@ -33,5 +33,14 @@
 #define SAA7115_SVIDEO2    8
 #define SAA7115_SVIDEO3    9
 
+/* SAA7115 v4l2_crystal_freq frequency values */
+#define SAA7115_FREQ_32_11_MHZ  32110000   /* 32.11 MHz crystal, SAA7114/5 only */
+#define SAA7115_FREQ_24_576_MHZ 24576000   /* 24.576 MHz crystal */
+
+/* SAA7115 v4l2_crystal_freq audio clock control flags */
+#define SAA7115_FREQ_FL_UCGC   (1 << 0)	   /* SA 3A[7], UCGC, SAA7115 only */
+#define SAA7115_FREQ_FL_CGCDIV (1 << 1)	   /* SA 3A[6], CGCDIV, SAA7115 only */
+#define SAA7115_FREQ_FL_APLL   (1 << 2)	   /* SA 3A[3], APLL, SAA7114/5 only */
+
 #endif