diff -upr linux/drivers/media/tuners/mxl5007t.h linux.new/drivers/media/tuners/mxl5007t.h
--- linux/drivers/media/tuners/mxl5007t.h	2012-08-14 05:45:22.000000000 +0200
+++ linux.new/drivers/media/tuners/mxl5007t.h	2013-01-10 19:19:11.204379581 +0100
@@ -73,8 +73,10 @@ struct mxl5007t_config {
 	enum mxl5007t_xtal_freq xtal_freq_hz;
 	enum mxl5007t_if_freq if_freq_hz;
 	unsigned int invert_if:1;
-	unsigned int loop_thru_enable:1;
+	unsigned int loop_thru_enable:3;
 	unsigned int clk_out_enable:1;
+	unsigned int no_probe:1;
+	unsigned int no_reset:1;
 };
 
 #if defined(CONFIG_MEDIA_TUNER_MXL5007T) || (defined(CONFIG_MEDIA_TUNER_MXL5007T_MODULE) && defined(MODULE))
diff -upr linux/drivers/media/usb/dvb-usb-v2/af9035.c linux.new/drivers/media/usb/dvb-usb-v2/af9035.c
--- linux/drivers/media/usb/dvb-usb-v2/af9035.c	2013-01-07 05:45:57.000000000 +0100
+++ linux.new/drivers/media/usb/dvb-usb-v2/af9035.c	2013-01-12 00:30:57.557310465 +0100
@@ -886,13 +886,17 @@ static struct mxl5007t_config af9035_mxl
 		.loop_thru_enable = 0,
 		.clk_out_enable = 0,
 		.clk_out_amp = MxL_CLKOUT_AMP_0_94V,
+		.no_probe = 1,
+		.no_reset = 1,
 	}, {
 		.xtal_freq_hz = MxL_XTAL_24_MHZ,
 		.if_freq_hz = MxL_IF_4_57_MHZ,
 		.invert_if = 0,
-		.loop_thru_enable = 1,
+		.loop_thru_enable = 3,
 		.clk_out_enable = 1,
 		.clk_out_amp = MxL_CLKOUT_AMP_0_94V,
+		.no_probe = 1,
+		.no_reset = 1,
 	}
 };
 
--- linux-3.19.1/drivers/media/tuners/mxl5007t.c.org	2015-03-16 12:21:47.872324952 +0100
+++ linux-3.19.1/drivers/media/tuners/mxl5007t.c	2015-03-16 12:22:07.208325224 +0100
@@ -530,6 +530,13 @@
 	struct reg_pair_t *init_regs;
 	int ret;
 
+	if (!state->config->no_reset) {
+		ret = mxl5007t_soft_reset(state);
+		if (mxl_fail(ret))
+		goto fail;
+	}
+
+
 	/* calculate initialization reg array */
 	init_regs = mxl5007t_calc_init_regs(state, mode);
 
@@ -882,7 +889,12 @@
 		if (fe->ops.i2c_gate_ctrl)
 			fe->ops.i2c_gate_ctrl(fe, 1);
 
-		ret = mxl5007t_get_chip_id(state);
+		if (!state->config->no_probe)
+			ret = mxl5007t_get_chip_id(state);
+
+		ret = mxl5007t_write_reg(state, 0x04,
+			state->config->loop_thru_enable);
+
 
 		if (fe->ops.i2c_gate_ctrl)
 			fe->ops.i2c_gate_ctrl(fe, 0);
@@ -895,32 +907,7 @@
 		/* existing tuner instance */
 		break;
 	}
-
-	if (fe->ops.i2c_gate_ctrl)
-		fe->ops.i2c_gate_ctrl(fe, 1);
-
-	ret = mxl5007t_soft_reset(state);
-
-	if (fe->ops.i2c_gate_ctrl)
-		fe->ops.i2c_gate_ctrl(fe, 0);
-
-	if (mxl_fail(ret))
-		goto fail;
-
-	if (fe->ops.i2c_gate_ctrl)
-		fe->ops.i2c_gate_ctrl(fe, 1);
-
-	ret = mxl5007t_write_reg(state, 0x04,
-		state->config->loop_thru_enable);
-
-	if (fe->ops.i2c_gate_ctrl)
-		fe->ops.i2c_gate_ctrl(fe, 0);
-
-	if (mxl_fail(ret))
-		goto fail;
-
 	fe->tuner_priv = state;
-
 	mutex_unlock(&mxl5007t_list_mutex);
 
 	memcpy(&fe->ops.tuner_ops, &mxl5007t_tuner_ops,