--- v4l-dvb/linux/drivers/media/dvb/ttpci/av7110.c.orig	2007-11-06 22:20:06.000000000 +0100
+++ v4l-dvb/linux/drivers/media/dvb/ttpci/av7110.c	2008-04-26 13:26:28.000000000 +0200
@@ -87,7 +87,10 @@
 static int wss_cfg_16_9 = 0x0007;
 static int tv_standard;
 static int full_ts;
+static int freq_shift = 0;
 
+module_param(freq_shift, int, 0644);
+MODULE_PARM_DESC(freq_shift, "frequency shift in kHz (e.g. -250)");
 module_param_named(debug, av7110_debug, int, 0644);
 MODULE_PARM_DESC(debug, "debug level (bitmask, default 0)");
 module_param(vidmode, int, 0444);
@@ -1825,24 +1828,25 @@
 {
 	struct av7110* av7110 = fe->dvb->priv;
 	u32 div;
+	u32 frequency = params -> frequency + freq_shift * 1000;
 	u8 data[4];
 	struct i2c_msg msg = { .addr = 0x63, .flags = 0, .buf = data, .len = sizeof(data) };
 	struct i2c_msg readmsg = { .addr = 0x63, .flags = I2C_M_RD, .buf = data, .len = 1 };
 	int i;
 
-	div = (params->frequency + 36150000 + 31250) / 62500;
+	div = (frequency + 36150000 + 31250) / 62500;
 
 	data[0] = (div >> 8) & 0x7f;
 	data[1] = div & 0xff;
 	data[2] = 0xce;
 
-	if (params->frequency < 45000000)
+	if( frequency < 45000000)
 		return -EINVAL;
-	else if (params->frequency < 137000000)
+	else if ( frequency < 137000000)
 		data[3] = 0x01;
-	else if (params->frequency < 403000000)
+	else if ( frequency < 403000000)
 		data[3] = 0x02;
-	else if (params->frequency < 860000000)
+	else if ( frequency < 860000000)
 		data[3] = 0x04;
 	else
 		return -EINVAL;