Only in pvr250-1.2: setchannel
diff -ur ../work.orig/pvr250-1.2/setchannel.c pvr250-1.2/setchannel.c
--- ../work.orig/pvr250-1.2/setchannel.c	Mon May  2 02:03:12 2005
+++ pvr250-1.2/setchannel.c	Thu Aug 17 11:51:31 2006
@@ -58,6 +58,7 @@
   printf("Usage: setchannel [-a {on|off}] [-c | -r | -s | -t] [-g geom] [-m chnl_set] [chnl | freq]\n"
          "  -a    Enable / disable AFC.\n"
          "  -c    Select composite input.\n"
+	 "  -d    Select unit ( 0..x ). \n"
          "  -r    Select radio input.\n"
          "  -s    Select svideo input.\n"
          "  -t    Select tuner.\n"
@@ -93,6 +94,7 @@
   int i;
   int status;
   int tfd;
+  int unit;
   unsigned int channel;
   unsigned int fraction;
   unsigned int freq;
@@ -107,11 +109,12 @@
   channel_set = -1;
   device = 0;
   freq = 0;
+  unit = 0;
   status = 0;
   x_size = 0;
   y_size = 0;
 
-  while ((c = getopt (argc, argv, "a:crstg:m:")) != -1)
+  while ((c = getopt (argc, argv, "a:crstg:m:d:")) != -1)
     switch (c) {
       case 'a':
         if (strcasecmp (optarg, "on") == 0)
@@ -124,6 +127,10 @@
           }
         break;
 
+	case 'd':
+	   unit =  atoi (optarg);
+	   break;
+
       case 'c':
         device = METEOR_INPUT_DEV2;
         audio = -1;
@@ -208,11 +215,15 @@
     exit (1);
     }
 
-  tfd = open( "/dev/cxm0", O_RDONLY );
+{ char buf[255];
+	sprintf(buf,"/dev/cxm%d",unit);
+
+  tfd = open( buf, O_RDONLY );
   if ( tfd < 0 ) {
-    perror( "open() of /dev/tuner0 failed." );
+    perror( "open() of /dev/cxm0 failed." );
     exit(1);
     }
+}
 
   if (afc != -1)
     if ( ioctl( tfd, TVTUNER_SETAFC, &afc ) < 0 ) {
Only in pvr250-1.2: setchannel.c.bak