diff --git a/drivers/media/dvb/dvb-usb/it913x.c b/drivers/media/dvb/dvb-usb/it913x.c
index 24f04b4ac87c..d57e0626369f 100644
--- a/drivers/media/dvb/dvb-usb/it913x.c
+++ b/drivers/media/dvb/dvb-usb/it913x.c
@@ -338,6 +338,31 @@ static int it913x_rc_query(struct dvb_usb_device *d)
 	return ret;
 }
 
+static int ite_firmware_select(struct usb_device *udev,
+	struct dvb_usb_device_properties *props)
+{
+	int sw;
+	/* auto switch */
+	if (le16_to_cpu(udev->descriptor.idProduct) ==
+			USB_PID_ITETECH_IT9135)
+		sw = IT9135_V1_FW;
+	else
+		sw = IT9137_FW;
+
+	switch (sw) {
+	case IT9135_V1_FW:
+		it913x_config.firmware_ver = 0;
+		it913x_config.adc_x2 = 1;
+		break;
+	case IT9137_FW:
+	default:
+		it913x_config.firmware_ver = 0;
+		it913x_config.adc_x2 = 0;
+	}
+
+	return 0;
+}
+
 #define TS_MPEG_PKT_SIZE	188
 #define EP_LOW			21
 #define TS_BUFFER_SIZE_PID	(EP_LOW*TS_MPEG_PKT_SIZE)
@@ -392,6 +417,8 @@ static int it913x_identify_state(struct usb_device *udev,
 		props->adapter[1].fe[0].stream.u.bulk.buffersize =
 			props->adapter[0].fe[0].stream.u.bulk.buffersize;
 
+	ret = ite_firmware_select(udev, props);
+
 	if (firm_no > 0) {
 		*cold = 0;
 		return 0;
@@ -421,10 +448,16 @@ static int it913x_identify_state(struct usb_device *udev,
 
 	if (it913x_config.dual_mode) {
 		ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, CHIP2_I2C_ADDR);
-		ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x1);
+		if (it913x_config.firmware_ver == 1)
+			ret |= it913x_wr_reg(udev, DEV_0,  0xcfff, 0x1);
+		else
+			ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x1);
 	} else {
 		ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, 0x0);
-		ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x0);
+		if (it913x_config.firmware_ver == 1)
+			ret |= it913x_wr_reg(udev, DEV_0,  0xcfff, 0x0);
+		else
+			ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x0);
 	}
 
 	*cold = 1;
diff --git a/drivers/media/dvb/frontends/it913x-fe-priv.h b/drivers/media/dvb/frontends/it913x-fe-priv.h
index 836a5b818219..ad2b644db1da 100644
--- a/drivers/media/dvb/frontends/it913x-fe-priv.h
+++ b/drivers/media/dvb/frontends/it913x-fe-priv.h
@@ -230,6 +230,7 @@ static struct it913xset init_1[] = {
 	{PRO_LINK, LOCK3_OUT, {0x01}, 0x01},
 	{PRO_LINK, PADMISCDRSR, {0x01}, 0x01},
 	{PRO_LINK, PADMISCDR2, {0x00}, 0x01},
+	{PRO_DMOD, 0xec57, {0x00, 0x00}, 0x02},
 	{PRO_LINK, PADMISCDR4, {0x00}, 0x01}, /* Power up */
 	{PRO_LINK, PADMISCDR8, {0x00}, 0x01},
 	{0xff, 0x0000, {0x00}, 0x00} /* Terminating Entry */
@@ -1010,10 +1011,29 @@ static struct it913xset it9137_tuner_off[] = {
 	{PRO_DMOD, 0xfba8, {0x01}, 0x01}, /* Tuner Clock Off  */
 	{PRO_DMOD, 0xec40, {0x00}, 0x01}, /* Power Down Tuner */
 	{PRO_DMOD, 0xec02, {0x3f, 0x1f, 0x3f, 0x3f}, 0x04},
+	{PRO_DMOD, 0xec06, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00, 0x00, 0x00}, 0x0c},
+	{PRO_DMOD, 0xec12, {0x00, 0x00, 0x00, 0x00}, 0x04},
+	{PRO_DMOD, 0xec17, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00}, 0x09},
+	{PRO_DMOD, 0xec22, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00}, 0x0a},
+	{PRO_DMOD, 0xec20, {0x00}, 0x01},
 	{PRO_DMOD, 0xec3f, {0x01}, 0x01},
 	{0xff, 0x0000, {0x00}, 0x00}, /* Terminating Entry */
 };
 
+static struct it913xset set_it9135_template[] = {
+	{PRO_DMOD, 0xee06, {0x00}, 0x01},
+	{PRO_DMOD, 0xec56, {0x00}, 0x01},
+	{PRO_DMOD, 0xec4c, {0x00}, 0x01},
+	{PRO_DMOD, 0xec4d, {0x00}, 0x01},
+	{PRO_DMOD, 0xec4e, {0x00}, 0x01},
+	{PRO_DMOD, 0x011e, {0x00}, 0x01}, /* Older Devices */
+	{PRO_DMOD, 0x011f, {0x00}, 0x01},
+	{0xff, 0x0000, {0x00}, 0x00}, /* Terminating Entry */
+};
+
 static struct it913xset set_it9137_template[] = {
 	{PRO_DMOD, 0xee06, {0x00}, 0x01},
 	{PRO_DMOD, 0xec56, {0x00}, 0x01},
diff --git a/drivers/media/dvb/frontends/it913x-fe.c b/drivers/media/dvb/frontends/it913x-fe.c
index e0cf8818ae46..8088e62a2028 100644
--- a/drivers/media/dvb/frontends/it913x-fe.c
+++ b/drivers/media/dvb/frontends/it913x-fe.c
@@ -245,6 +245,11 @@ static int it9137_set_tuner(struct it913x_fe_state *state,
 	u8 lna_band;
 	u8 bw;
 
+	if (state->config->firmware_ver == 1)
+		set_tuner = set_it9135_template;
+	else
+		set_tuner = set_it9137_template;
+
 	deb_info("Tuner Frequency %d Bandwidth %d", frequency, bandwidth);
 
 	if (frequency >= 51000 && frequency <= 440000) {
@@ -774,8 +779,16 @@ static int it913x_fe_start(struct it913x_fe_state *state)
 	b[2] = (adc >> 16) & 0xff;
 	ret |= it913x_write(state, PRO_DMOD, ADC_FREQ, b, 3);
 
-	info("Crystal Frequency :%d Adc Frequency :%d",
-		state->crystalFrequency, state->adcFrequency);
+	if (state->config->adc_x2)
+		ret |= it913x_write_reg(state, PRO_DMOD, ADC_X_2, 0x01);
+	b[0] = 0;
+	b[1] = 0;
+	b[2] = 0;
+	ret |= it913x_write(state, PRO_DMOD, 0x0029, b, 3);
+
+	info("Crystal Frequency :%d Adc Frequency :%d ADC X2: %02x",
+		state->crystalFrequency, state->adcFrequency,
+			state->config->adc_x2);
 	deb_info("Xtal value :%04x Adc value :%04x", xtal, adc);
 
 	if (ret < 0)
@@ -840,10 +853,10 @@ static int it913x_fe_init(struct dvb_frontend *fe)
 	/* Power Up Tuner - common all versions */
 	ret = it913x_write_reg(state, PRO_DMOD, 0xec40, 0x1);
 
-	ret |= it913x_write_reg(state, PRO_DMOD, AFE_MEM0, 0x0);
-
 	ret |= it913x_fe_script_loader(state, init_1);
 
+	ret |= it913x_write_reg(state, PRO_DMOD, AFE_MEM0, 0x0);
+
 	ret |= it913x_write_reg(state, PRO_DMOD, 0xfba8, 0x0);
 
 	return (ret < 0) ? -ENODEV : 0;
@@ -938,5 +951,5 @@ static struct dvb_frontend_ops it913x_fe_ofdm_ops = {
 
 MODULE_DESCRIPTION("it913x Frontend and it9137 tuner");
 MODULE_AUTHOR("Malcolm Priestley tvboxspy@gmail.com");
-MODULE_VERSION("1.10");
+MODULE_VERSION("1.12");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/frontends/it913x-fe.h b/drivers/media/dvb/frontends/it913x-fe.h
index 43f879a053c9..4143ef9c4fab 100644
--- a/drivers/media/dvb/frontends/it913x-fe.h
+++ b/drivers/media/dvb/frontends/it913x-fe.h
@@ -28,6 +28,8 @@ struct ite_config {
 	u8 chip_ver;
 	u16 chip_type;
 	u32 firmware;
+	u8 firmware_ver;
+	u8 adc_x2;
 	u8 tuner_id_0;
 	u8 tuner_id_1;
 	u8 dual_mode;
@@ -211,4 +213,11 @@ enum {
 	WRITE_CMD,
 };
 
+enum {
+	IT9135_AUTO = 0,
+	IT9137_FW,
+	IT9135_V1_FW,
+	IT9135_V2_FW,
+};
+
 #endif /* IT913X_FE_H */