diff --git a/include/linux/dvb/ca.h b/include/linux/dvb/ca.h
index cb15002..05edfa3 100644
--- a/include/linux/dvb/ca.h
+++ b/include/linux/dvb/ca.h
@@ -131,6 +131,11 @@ struct ca_descr {
 	unsigned char cw[8];
 };
 
+typedef struct ca_pid {
+	unsigned int pid;
+	int index;/* -1 == disable*/
+} ca_pid_t;
+
 #define CA_RESET          _IO('o', 128)
 #define CA_GET_CAP        _IOR('o', 129, struct ca_caps)
 #define CA_GET_SLOT_INFO  _IOR('o', 130, struct ca_slot_info)
@@ -138,6 +143,7 @@ struct ca_descr {
 #define CA_GET_MSG        _IOR('o', 132, struct ca_msg)
 #define CA_SEND_MSG       _IOW('o', 133, struct ca_msg)
 #define CA_SET_DESCR      _IOW('o', 134, struct ca_descr)
+#define CA_SET_PID        _IOW('o', 135, struct ca_pid)
 
 #if !defined(__KERNEL__)