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diff -r 9d6c218ddc7e linux/drivers/media/dvb/frontends/isl6421.c
--- a/linux/drivers/media/dvb/frontends/isl6421.c       Mon Dec 24 08:25:57 2007 -0200
+++ b/linux/drivers/media/dvb/frontends/isl6421.c       Sat Apr 12 16:06:22 2008 -0400
@@ -42,9 +42,12 @@ struct isl6421 {
        struct i2c_adapter      *i2c;
        u8                      i2c_addr;
 };
+static int dcl=1; // dynamic current limit on/off, default on

-static int isl6421_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
-{
+static int isl6421_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) {
+
+
+
        struct isl6421 *isl6421 = (struct isl6421 *) fe->sec_priv;
        struct i2c_msg msg = {  .addr = isl6421->i2c_addr, .flags = 0,
                                .buf = &isl6421->config,
@@ -109,6 +112,7 @@ struct dvb_frontend *isl6421_attach(stru
        /* default configuration */
        isl6421->config = ISL6421_ISEL1;
        isl6421->i2c = i2c;
+        if (! dcl) isl6421->config |= ISL6421_DCL;
        isl6421->i2c_addr = i2c_addr;
        fe->sec_priv = isl6421;

@@ -134,6 +138,9 @@ struct dvb_frontend *isl6421_attach(stru

        return fe;
 }
+module_param(dcl, int, 0644);
+MODULE_PARM_DESC(dcl, "Turn on/off dynamic current limit (default:on).");
+
 EXPORT_SYMBOL(isl6421_attach);

 MODULE_DESCRIPTION("Driver for lnb supply and control ic isl6421");