Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (44 commits)
  V4L/DVB (5571): V4l1-compat:  Make VIDIOCSPICT return errors in a useful way
  V4L/DVB (5624): Radio-maestro.c cleanup
  V4L/DVB (5623): Dsbr100.c Replace usb_dsbr100_do_ioctl to use video_ioctl2
  V4L/DVB (5622): Radio-zoltrix.c cleanup
  V4L/DVB (5621): Radio-cadet.c Replace cadet_do_ioctl to use video_ioctl2
  V4L/DVB (5619): Dvb-usb: fix typo
  V4L/DVB (5618): Cx88: Drop the generic i2c client from cx88-vp3054-i2c
  V4L/DVB (5617): V4L2: videodev, allow debugging
  V4L/DVB (5614): M920x: Disable second adapter on LifeView TV Walker Twin
  V4L/DVB (5613): M920x: loosen up 80-col limit
  V4L/DVB (5612): M920x: rename function prefixes from m9206_foo to m920x_foo
  V4L/DVB (5611): M920x: replace deb_rc with deb
  V4L/DVB (5610): M920x: remove duplicated code
  V4L/DVB (5609): M920x: group like functions together
  V4L/DVB (5608): M920x: various whitespace cleanups
  V4L/DVB (5607): M920x: Initial support for devices likely manufactured by Dposh
  V4L/DVB (5606): M920x: add "c-basic-offset: 8" to help emacs to enforce tabbing
  V4L/DVB (5605): M920x: Add support for LifeView TV Walker Twin
  V4L/DVB (5603): V4L: Prevent queueing queued buffers.
  V4L/DVB (5602): Enable DiSEqC in Starbox II (vp7021a)
  ...

5 files changed, 441 insertions, 158 deletions

diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
index 97715f7514d..403081689de 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
@@ -19,6 +19,7 @@
 #define USB_VID_COMPRO_UNK			0x145f
 #define USB_VID_CYPRESS				0x04b4
 #define USB_VID_DIBCOM				0x10b8
+#define USB_VID_DPOSH				0x1498
 #define USB_VID_DVICO				0x0fe9
 #define USB_VID_EMPIA				0xeb1a
 #define USB_VID_GENPIX				0x09c0
@@ -61,6 +62,8 @@
 #define USB_PID_DIBCOM_STK7700P				0x1e14
 #define USB_PID_DIBCOM_STK7700P_PC			0x1e78
 #define USB_PID_DIBCOM_ANCHOR_2135_COLD			0x2131
+#define USB_PID_DPOSH_M9206_COLD			0x9206
+#define USB_PID_DPOSH_M9206_WARM			0xa090
 #define USB_PID_UNIWILL_STK7700P			0x6003
 #define USB_PID_GRANDTEC_DVBT_USB_COLD			0x0fa0
 #define USB_PID_GRANDTEC_DVBT_USB_WARM			0x0fa1
@@ -145,6 +148,8 @@
 #define USB_PID_MSI_DIGI_VOX_MINI_II			0x1513
 #define USB_PID_OPERA1_COLD				0x2830
 #define USB_PID_OPERA1_WARM				0x3829
+#define USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD		0x0514
+#define USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM		0x0513
 
 
 #endif
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h
index 0d721731a52..6f824a569e1 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -119,7 +119,7 @@ struct usb_data_stream_properties {
  * @caps: capabilities of the DVB USB device.
  * @pid_filter_count: number of PID filter position in the optional hardware
  *  PID-filter.
- * @streaming_crtl: called to start and stop the MPEG2-TS streaming of the
+ * @streaming_ctrl: called to start and stop the MPEG2-TS streaming of the
  *  device (not URB submitting/killing).
  * @pid_filter_ctrl: called to en/disable the PID filter, if any.
  * @pid_filter: called to set/unset a PID for filtering.
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index 45d7bc214c1..c546ddeda5d 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -3,8 +3,8 @@
  * Copyright (C) 2006 Aapo Tahkola (aet@rasterburn.org)
  *
  *	This program is free software; you can redistribute it and/or modify it
- *	under the terms of the GNU General Public License as published by the Free
- *	Software Foundation, version 2.
+ *	under the terms of the GNU General Public License as published by the
+ *	Free Software Foundation, version 2.
  *
  * see Documentation/dvb/README.dvb-usb for more information
  */
@@ -22,26 +22,7 @@ static int dvb_usb_m920x_debug;
 module_param_named(debug,dvb_usb_m920x_debug, int, 0644);
 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
 
-static struct dvb_usb_rc_key megasky_rc_keys [] = {
-	{ 0x0, 0x12, KEY_POWER },
-	{ 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */
-	{ 0x0, 0x02, KEY_CHANNELUP },
-	{ 0x0, 0x05, KEY_CHANNELDOWN },
-	{ 0x0, 0x03, KEY_VOLUMEUP },
-	{ 0x0, 0x06, KEY_VOLUMEDOWN },
-	{ 0x0, 0x04, KEY_MUTE },
-	{ 0x0, 0x07, KEY_OK }, /* TS */
-	{ 0x0, 0x08, KEY_STOP },
-	{ 0x0, 0x09, KEY_MENU }, /* swap */
-	{ 0x0, 0x0a, KEY_REWIND },
-	{ 0x0, 0x1b, KEY_PAUSE },
-	{ 0x0, 0x1f, KEY_FASTFORWARD },
-	{ 0x0, 0x0c, KEY_RECORD },
-	{ 0x0, 0x0d, KEY_CAMERA }, /* screenshot */
-	{ 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
-};
-
-static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\
+static inline int m920x_read(struct usb_device *udev, u8 request, u16 value,
 			     u16 index, void *data, int size)
 {
 	int ret;
@@ -55,14 +36,14 @@ static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\
 	}
 
 	if (ret != size) {
-		deb_rc("m920x_read = no data\n");
+		deb("m920x_read = no data\n");
 		return -EIO;
 	}
 
 	return 0;
 }
 
-static inline int m9206_write(struct usb_device *udev, u8 request,
+static inline int m920x_write(struct usb_device *udev, u8 request,
 			      u16 value, u16 index)
 {
 	int ret;
@@ -74,32 +55,40 @@ static inline int m9206_write(struct usb_device *udev, u8 request,
 	return ret;
 }
 
-static int m9206_init(struct dvb_usb_device *d)
+static int m920x_init(struct dvb_usb_device *d, struct m920x_inits *rc_seq)
 {
 	int ret = 0;
 
 	/* Remote controller init. */
 	if (d->props.rc_query) {
-		if ((ret = m9206_write(d->udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0)
-			return ret;
+		deb("Initialising remote control\n");
+		while (rc_seq->address) {
+			if ((ret = m920x_write(d->udev, M9206_CORE,
+					       rc_seq->data,
+					       rc_seq->address)) != 0) {
+				deb("Initialising remote control failed\n");
+				return ret;
+			}
 
-		if ((ret = m9206_write(d->udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0)
-			return ret;
+			rc_seq++;
+		}
+
+		deb("Initialising remote control success\n");
 	}
 
 	return ret;
 }
 
-static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 {
-	struct m9206_state *m = d->priv;
+	struct m920x_state *m = d->priv;
 	int i, ret = 0;
 	u8 rc_state[2];
 
-	if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
+	if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
 		goto unlock;
 
-	if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
+	if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
 		goto unlock;
 
 	for (i = 0; i < d->props.rc_key_map_size; i++)
@@ -111,6 +100,14 @@ static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 				*state = REMOTE_NO_KEY_PRESSED;
 				goto unlock;
 
+			case 0x88: /* framing error or "invalid code" */
+			case 0x99:
+			case 0xc0:
+			case 0xd8:
+				*state = REMOTE_NO_KEY_PRESSED;
+				m->rep_count = 0;
+				goto unlock;
+
 			case 0x93:
 			case 0x92:
 				m->rep_count = 0;
@@ -118,31 +115,32 @@ static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 				goto unlock;
 
 			case 0x91:
-				/* For comfort. */
+				/* prevent immediate auto-repeat */
 				if (++m->rep_count > 2)
 					*state = REMOTE_KEY_REPEAT;
+				else
+					*state = REMOTE_NO_KEY_PRESSED;
 				goto unlock;
 
 			default:
-				deb_rc("Unexpected rc response %x\n", rc_state[0]);
+				deb("Unexpected rc state %02x\n", rc_state[0]);
 				*state = REMOTE_NO_KEY_PRESSED;
 				goto unlock;
 			}
 		}
 
 	if (rc_state[1] != 0)
-		deb_rc("Unknown rc key %x\n", rc_state[1]);
+		deb("Unknown rc key %02x\n", rc_state[1]);
 
 	*state = REMOTE_NO_KEY_PRESSED;
 
-	unlock:
+ unlock:
 
 	return ret;
 }
 
 /* I2C */
-static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
-			  int num)
+static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
 {
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i, j;
@@ -155,33 +153,40 @@ static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 		return -EAGAIN;
 
 	for (i = 0; i < num; i++) {
-		if (msg[i].flags & (I2C_M_NO_RD_ACK|I2C_M_IGNORE_NAK|I2C_M_TEN) ||
-		    msg[i].len == 0) {
-			/* For a 0 byte message, I think sending the address to index 0x80|0x40
-			 * would be the correct thing to do.  However, zero byte messages are
-			 * only used for probing, and since we don't know how to get the slave's
-			 * ack, we can't probe. */
+		if (msg[i].flags & (I2C_M_NO_RD_ACK | I2C_M_IGNORE_NAK | I2C_M_TEN) || msg[i].len == 0) {
+			/* For a 0 byte message, I think sending the address
+			 * to index 0x80|0x40 would be the correct thing to
+			 * do.  However, zero byte messages are only used for
+			 * probing, and since we don't know how to get the
+			 * slave's ack, we can't probe. */
 			ret = -ENOTSUPP;
 			goto unlock;
 		}
 		/* Send START & address/RW bit */
 		if (!(msg[i].flags & I2C_M_NOSTART)) {
-			if ((ret = m9206_write(d->udev, M9206_I2C, (msg[i].addr<<1)|(msg[i].flags&I2C_M_RD?0x01:0), 0x80)) != 0)
+			if ((ret = m920x_write(d->udev, M9206_I2C,
+					(msg[i].addr << 1) |
+					(msg[i].flags & I2C_M_RD ? 0x01 : 0), 0x80)) != 0)
 				goto unlock;
 			/* Should check for ack here, if we knew how. */
 		}
 		if (msg[i].flags & I2C_M_RD) {
 			for (j = 0; j < msg[i].len; j++) {
-				/* Last byte of transaction? Send STOP, otherwise send ACK. */
-				int stop = (i+1 == num && j+1 == msg[i].len)?0x40:0x01;
-				if ((ret = m9206_read(d->udev, M9206_I2C, 0x0, 0x20|stop, &msg[i].buf[j], 1)) != 0)
+				/* Last byte of transaction?
+				 * Send STOP, otherwise send ACK. */
+				int stop = (i+1 == num && j+1 == msg[i].len) ? 0x40 : 0x01;
+
+				if ((ret = m920x_read(d->udev, M9206_I2C, 0x0,
+						      0x20 | stop,
+						      &msg[i].buf[j], 1)) != 0)
 					goto unlock;
 			}
 		} else {
 			for (j = 0; j < msg[i].len; j++) {
 				/* Last byte of transaction? Then send STOP. */
-				int stop = (i+1 == num && j+1 == msg[i].len)?0x40:0x00;
-				if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[j], stop)) != 0)
+				int stop = (i+1 == num && j+1 == msg[i].len) ? 0x40 : 0x00;
+
+				if ((ret = m920x_write(d->udev, M9206_I2C, msg[i].buf[j], stop)) != 0)
 					goto unlock;
 				/* Should check for ack here too. */
 			}
@@ -189,25 +194,25 @@ static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 	}
 	ret = num;
 
-unlock:
+ unlock:
 	mutex_unlock(&d->i2c_mutex);
 
 	return ret;
 }
 
-static u32 m9206_i2c_func(struct i2c_adapter *adapter)
+static u32 m920x_i2c_func(struct i2c_adapter *adapter)
 {
 	return I2C_FUNC_I2C;
 }
 
-static struct i2c_algorithm m9206_i2c_algo = {
-	.master_xfer   = m9206_i2c_xfer,
-	.functionality = m9206_i2c_func,
+static struct i2c_algorithm m920x_i2c_algo = {
+	.master_xfer   = m920x_i2c_xfer,
+	.functionality = m920x_i2c_func,
 };
 
-
-static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx,
-			    int pid)
+/* pid filter */
+static int m920x_set_filter(struct dvb_usb_adapter *adap,
+			    int type, int idx, int pid)
 {
 	int ret = 0;
 
@@ -216,18 +221,18 @@ static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx,
 
 	pid |= 0x8000;
 
-	if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
+	if ((ret = m920x_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
 		return ret;
 
-	if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
+	if ((ret = m920x_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
 		return ret;
 
 	return ret;
 }
 
-static int m9206_update_filters(struct dvb_usb_adapter *adap)
+static int m920x_update_filters(struct dvb_usb_adapter *adap)
 {
-	struct m9206_state *m = adap->dev->priv;
+	struct m920x_state *m = adap->dev->priv;
 	int enabled = m->filtering_enabled;
 	int i, ret = 0, filter = 0;
 
@@ -236,14 +241,14 @@ static int m9206_update_filters(struct dvb_usb_adapter *adap)
 			enabled = 0;
 
 	/* Disable all filters */
-	if ((ret = m9206_set_filter(adap, 0x81, 1, enabled)) != 0)
+	if ((ret = m920x_set_filter(adap, 0x81, 1, enabled)) != 0)
 		return ret;
 
 	for (i = 0; i < M9206_MAX_FILTERS; i++)
-		if ((ret = m9206_set_filter(adap, 0x81, i + 2, 0)) != 0)
+		if ((ret = m920x_set_filter(adap, 0x81, i + 2, 0)) != 0)
 			return ret;
 
-	if ((ret = m9206_set_filter(adap, 0x82, 0, 0x0)) != 0)
+	if ((ret = m920x_set_filter(adap, 0x82, 0, 0x0)) != 0)
 		return ret;
 
 	/* Set */
@@ -252,40 +257,38 @@ static int m9206_update_filters(struct dvb_usb_adapter *adap)
 			if (m->filters[i] == 0)
 				continue;
 
-			if ((ret = m9206_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0)
+			if ((ret = m920x_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0)
 				return ret;
 
 			filter++;
 		}
 	}
 
-	if ((ret = m9206_set_filter(adap, 0x82, 0, 0x02f5)) != 0)
+	if ((ret = m920x_set_filter(adap, 0x82, 0, 0x02f5)) != 0)
 		return ret;
 
 	return ret;
 }
 
-static int m9206_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+static int m920x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
 {
-	struct m9206_state *m = adap->dev->priv;
+	struct m920x_state *m = adap->dev->priv;
 
 	m->filtering_enabled = onoff ? 1 : 0;
 
-	return m9206_update_filters(adap);
+	return m920x_update_filters(adap);
 }
 
-static int m9206_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
-			    int onoff)
+static int m920x_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
 {
-	struct m9206_state *m = adap->dev->priv;
+	struct m920x_state *m = adap->dev->priv;
 
 	m->filters[index] = onoff ? pid : 0;
 
-	return m9206_update_filters(adap);
+	return m920x_update_filters(adap);
 }
 
-static int m9206_firmware_download(struct usb_device *udev,
-				   const struct firmware *fw)
+static int m920x_firmware_download(struct usb_device *udev, const struct firmware *fw)
 {
 	u16 value, index, size;
 	u8 read[4], *buff;
@@ -293,13 +296,13 @@ static int m9206_firmware_download(struct usb_device *udev,
 
 	buff = kmalloc(65536, GFP_KERNEL);
 
-	if ((ret = m9206_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
+	if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
 		goto done;
-	deb_rc("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
+	deb("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
 
-	if ((ret = m9206_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
+	if ((ret = m920x_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
 		goto done;
-	deb_rc("%x\n", read[0]);
+	deb("%x\n", read[0]);
 
 	for (pass = 0; pass < 2; pass++) {
 		for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
@@ -317,11 +320,11 @@ static int m9206_firmware_download(struct usb_device *udev,
 				memcpy(buff, fw->data + i, size);
 
 				ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0),
-					    M9206_FW,
-					    USB_TYPE_VENDOR | USB_DIR_OUT,
-					    value, index, buff, size, 20);
+						      M9206_FW,
+						      USB_TYPE_VENDOR | USB_DIR_OUT,
+						      value, index, buff, size, 20);
 				if (ret != size) {
-					deb_rc("error while uploading fw!\n");
+					deb("error while uploading fw!\n");
 					ret = -EIO;
 					goto done;
 				}
@@ -330,7 +333,7 @@ static int m9206_firmware_download(struct usb_device *udev,
 			i += size;
 		}
 		if (i != fw->size) {
-			deb_rc("bad firmware file!\n");
+			deb("bad firmware file!\n");
 			ret = -EINVAL;
 			goto done;
 		}
@@ -338,11 +341,11 @@ static int m9206_firmware_download(struct usb_device *udev,
 
 	msleep(36);
 
-	/* m9206 will disconnect itself from the bus after this. */
-	(void) m9206_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
-	deb_rc("firmware uploaded!\n");
+	/* m920x will disconnect itself from the bus after this. */
+	(void) m920x_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
+	deb("firmware uploaded!\n");
 
-	done:
+ done:
 	kfree(buff);
 
 	return ret;
@@ -362,7 +365,8 @@ static int m920x_identify_state(struct usb_device *udev,
 	return 0;
 }
 
-static int megasky_mt352_demod_init(struct dvb_frontend *fe)
+/* demod configurations */
+static int m920x_mt352_demod_init(struct dvb_frontend *fe)
 {
 	u8 config[] = { CONFIG, 0x3d };
 	u8 clock[] = { CLOCK_CTL, 0x30 };
@@ -382,74 +386,174 @@ static int megasky_mt352_demod_init(struct dvb_frontend *fe)
 	mt352_write(fe, unk1, ARRAY_SIZE(unk1));
 	mt352_write(fe, unk2, ARRAY_SIZE(unk2));
 
-	deb_rc("Demod init!\n");
+	deb("Demod init!\n");
 
 	return 0;
 }
 
-static struct mt352_config megasky_mt352_config = {
+static struct mt352_config m920x_mt352_config = {
 	.demod_address = 0x0f,
 	.no_tuner = 1,
-	.demod_init = megasky_mt352_demod_init,
+	.demod_init = m920x_mt352_demod_init,
+};
+
+static struct tda1004x_config m920x_tda10046_08_config = {
+	.demod_address = 0x08,
+	.invert = 0,
+	.invert_oclk = 0,
+	.ts_mode = TDA10046_TS_SERIAL,
+	.xtal_freq = TDA10046_XTAL_16M,
+	.if_freq = TDA10046_FREQ_045,
+	.agc_config = TDA10046_AGC_TDA827X,
+	.gpio_config = TDA10046_GPTRI,
+	.request_firmware = NULL,
+};
+
+static struct tda1004x_config m920x_tda10046_0b_config = {
+	.demod_address = 0x0b,
+	.invert = 0,
+	.invert_oclk = 0,
+	.ts_mode = TDA10046_TS_SERIAL,
+	.xtal_freq = TDA10046_XTAL_16M,
+	.if_freq = TDA10046_FREQ_045,
+	.agc_config = TDA10046_AGC_TDA827X,
+	.gpio_config = TDA10046_GPTRI,
+	.request_firmware = NULL, /* uses firmware EEPROM */
+};
+
+/* tuner configurations */
+static struct qt1010_config m920x_qt1010_config = {
+	.i2c_address = 0x62
 };
 
-static int megasky_mt352_frontend_attach(struct dvb_usb_adapter *adap)
+/* Callbacks for DVB USB */
+static int m920x_mt352_frontend_attach(struct dvb_usb_adapter *adap)
 {
-	deb_rc("megasky_frontend_attach!\n");
+	deb("%s\n",__FUNCTION__);
 
-	if ((adap->fe = dvb_attach(mt352_attach, &megasky_mt352_config, &adap->dev->i2c_adap)) == NULL)
+	if ((adap->fe = dvb_attach(mt352_attach,
+				   &m920x_mt352_config,
+				   &adap->dev->i2c_adap)) == NULL)
 		return -EIO;
 
 	return 0;
 }
 
-static struct qt1010_config megasky_qt1010_config = {
-	.i2c_address = 0x62
-};
-
-static int megasky_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
+static int m920x_tda10046_08_frontend_attach(struct dvb_usb_adapter *adap)
 {
-	if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap,
-		       &megasky_qt1010_config) == NULL)
-		return -ENODEV;
+	deb("%s\n",__FUNCTION__);
+
+	if ((adap->fe = dvb_attach(tda10046_attach,
+				   &m920x_tda10046_08_config,
+				   &adap->dev->i2c_adap)) == NULL)
+		return -EIO;
 
 	return 0;
 }
 
-static struct tda1004x_config digivox_tda10046_config = {
-	.demod_address = 0x08,
-	.invert = 0,
-	.invert_oclk = 0,
-	.ts_mode = TDA10046_TS_SERIAL,
-	.xtal_freq = TDA10046_XTAL_16M,
-	.if_freq = TDA10046_FREQ_045,
-	.agc_config = TDA10046_AGC_TDA827X,
-	.gpio_config = TDA10046_GPTRI,
-	.request_firmware = NULL,
-};
-
-static int digivox_tda10046_frontend_attach(struct dvb_usb_adapter *adap)
+static int m920x_tda10046_0b_frontend_attach(struct dvb_usb_adapter *adap)
 {
-	deb_rc("digivox_tda10046_frontend_attach!\n");
+	deb("%s\n",__FUNCTION__);
 
-	if ((adap->fe = dvb_attach(tda10046_attach, &digivox_tda10046_config,
+	if ((adap->fe = dvb_attach(tda10046_attach,
+				   &m920x_tda10046_0b_config,
 				   &adap->dev->i2c_adap)) == NULL)
 		return -EIO;
 
 	return 0;
 }
 
-static int digivox_tda8275_tuner_attach(struct dvb_usb_adapter *adap)
+static int m920x_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
 {
-	if (dvb_attach(tda827x_attach, adap->fe, 0x60, &adap->dev->i2c_adap,
-		       NULL) == NULL)
+	deb("%s\n",__FUNCTION__);
+
+	if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap, &m920x_qt1010_config) == NULL)
 		return -ENODEV;
+
 	return 0;
 }
 
+static int m920x_tda8275_60_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	deb("%s\n",__FUNCTION__);
+
+	if (dvb_attach(tda827x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, NULL) == NULL)
+		return -ENODEV;
+
+	return 0;
+}
+
+static int m920x_tda8275_61_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	deb("%s\n",__FUNCTION__);
+
+	if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL)
+		return -ENODEV;
+
+	return 0;
+}
+
+/* device-specific initialization */
+static struct m920x_inits megasky_rc_init [] = {
+	{ M9206_RC_INIT2, 0xa8 },
+	{ M9206_RC_INIT1, 0x51 },
+	{ } /* terminating entry */
+};
+
+static struct m920x_inits tvwalkertwin_rc_init [] = {
+	{ M9206_RC_INIT2, 0x00 },
+	{ M9206_RC_INIT1, 0xef },
+	{ 0xff28,         0x00 },
+	{ 0xff23,         0x00 },
+	{ 0xff21,         0x30 },
+	{ } /* terminating entry */
+};
+
+/* ir keymaps */
+static struct dvb_usb_rc_key megasky_rc_keys [] = {
+	{ 0x0, 0x12, KEY_POWER },
+	{ 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */
+	{ 0x0, 0x02, KEY_CHANNELUP },
+	{ 0x0, 0x05, KEY_CHANNELDOWN },
+	{ 0x0, 0x03, KEY_VOLUMEUP },
+	{ 0x0, 0x06, KEY_VOLUMEDOWN },
+	{ 0x0, 0x04, KEY_MUTE },
+	{ 0x0, 0x07, KEY_OK }, /* TS */
+	{ 0x0, 0x08, KEY_STOP },
+	{ 0x0, 0x09, KEY_MENU }, /* swap */
+	{ 0x0, 0x0a, KEY_REWIND },
+	{ 0x0, 0x1b, KEY_PAUSE },
+	{ 0x0, 0x1f, KEY_FASTFORWARD },
+	{ 0x0, 0x0c, KEY_RECORD },
+	{ 0x0, 0x0d, KEY_CAMERA }, /* screenshot */
+	{ 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
+};
+
+static struct dvb_usb_rc_key tvwalkertwin_rc_keys [] = {
+	{ 0x0, 0x01, KEY_ZOOM }, /* Full Screen */
+	{ 0x0, 0x02, KEY_CAMERA }, /* snapshot */
+	{ 0x0, 0x03, KEY_MUTE },
+	{ 0x0, 0x04, KEY_REWIND },
+	{ 0x0, 0x05, KEY_PLAYPAUSE }, /* Play/Pause */
+	{ 0x0, 0x06, KEY_FASTFORWARD },
+	{ 0x0, 0x07, KEY_RECORD },
+	{ 0x0, 0x08, KEY_STOP },
+	{ 0x0, 0x09, KEY_TIME }, /* Timeshift */
+	{ 0x0, 0x0c, KEY_COFFEE }, /* Recall */
+	{ 0x0, 0x0e, KEY_CHANNELUP },
+	{ 0x0, 0x12, KEY_POWER },
+	{ 0x0, 0x15, KEY_MENU }, /* source */
+	{ 0x0, 0x18, KEY_CYCLEWINDOWS }, /* TWIN PIP */
+	{ 0x0, 0x1a, KEY_CHANNELDOWN },
+	{ 0x0, 0x1b, KEY_VOLUMEDOWN },
+	{ 0x0, 0x1e, KEY_VOLUMEUP },
+};
+
 /* DVB USB Driver stuff */
 static struct dvb_usb_device_properties megasky_properties;
 static struct dvb_usb_device_properties digivox_mini_ii_properties;
+static struct dvb_usb_device_properties tvwalkertwin_properties;
+static struct dvb_usb_device_properties dposh_properties;
 
 static int m920x_probe(struct usb_interface *intf,
 		       const struct usb_device_id *id)
@@ -457,19 +561,57 @@ static int m920x_probe(struct usb_interface *intf,
 	struct dvb_usb_device *d;
 	struct usb_host_interface *alt;
 	int ret;
+	struct m920x_inits *rc_init_seq = NULL;
+	int bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;
 
-	deb_rc("Probed!\n");
+	deb("Probing for m920x device at interface %d\n", bInterfaceNumber);
 
-	if (((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0) ||
-	    ((ret = dvb_usb_device_init(intf, &digivox_mini_ii_properties, THIS_MODULE, &d)) == 0))
-		goto found;
+	if (bInterfaceNumber == 0) {
+		/* Single-tuner device, or first interface on
+		 * multi-tuner device
+		 */
 
-	return ret;
+		if ((ret = dvb_usb_device_init(intf, &megasky_properties,
+					       THIS_MODULE, &d)) == 0) {
+			rc_init_seq = megasky_rc_init;
+			goto found;
+		}
+
+		if ((ret = dvb_usb_device_init(intf, &digivox_mini_ii_properties,
+					       THIS_MODULE, &d)) == 0) {
+			/* No remote control, so no rc_init_seq */
+			goto found;
+		}
+
+		/* This configures both tuners on the TV Walker Twin */
+		if ((ret = dvb_usb_device_init(intf, &tvwalkertwin_properties,
+					       THIS_MODULE, &d)) == 0) {
+			rc_init_seq = tvwalkertwin_rc_init;
+			goto found;
+		}
+
+		if ((ret = dvb_usb_device_init(intf, &dposh_properties,
+					       THIS_MODULE, &d)) == 0) {
+			/* Remote controller not supported yet. */
+			goto found;
+		}
+
+		return ret;
+	} else {
+		/* Another interface on a multi-tuner device */
 
-found:
+		/* The LifeView TV Walker Twin gets here, but struct
+		 * tvwalkertwin_properties already configured both
+		 * tuners, so there is nothing for us to do here
+		 */
+
+		return -ENODEV;
+	}
+
+ found:
 	alt = usb_altnum_to_altsetting(intf, 1);
 	if (alt == NULL) {
-		deb_rc("No alt found!\n");
+		deb("No alt found!\n");
 		return -ENODEV;
 	}
 
@@ -478,7 +620,7 @@ found:
 	if (ret < 0)
 		return ret;
 
-	if ((ret = m9206_init(d)) != 0)
+	if ((ret = m920x_init(d, rc_init_seq)) != 0)
 		return ret;
 
 	return ret;
@@ -488,6 +630,12 @@ static struct usb_device_id m920x_table [] = {
 		{ USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
 		{ USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
 			     USB_PID_MSI_DIGI_VOX_MINI_II) },
+		{ USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
+			     USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD) },
+		{ USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
+			     USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM) },
+		{ USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_COLD) },
+		{ USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_WARM) },
 		{ }		/* Terminating entry */
 };
 MODULE_DEVICE_TABLE (usb, m920x_table);
@@ -497,14 +645,14 @@ static struct dvb_usb_device_properties megasky_properties = {
 
 	.usb_ctrl = DEVICE_SPECIFIC,
 	.firmware = "dvb-usb-megasky-02.fw",
-	.download_firmware = m9206_firmware_download,
+	.download_firmware = m920x_firmware_download,
 
 	.rc_interval      = 100,
 	.rc_key_map       = megasky_rc_keys,
 	.rc_key_map_size  = ARRAY_SIZE(megasky_rc_keys),
-	.rc_query         = m9206_rc_query,
+	.rc_query         = m920x_rc_query,
 
-	.size_of_priv     = sizeof(struct m9206_state),
+	.size_of_priv     = sizeof(struct m920x_state),
 
 	.identify_state   = m920x_identify_state,
 	.num_adapters = 1,
@@ -513,11 +661,11 @@ static struct dvb_usb_device_properties megasky_properties = {
 			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 
 		.pid_filter_count = 8,
-		.pid_filter       = m9206_pid_filter,
-		.pid_filter_ctrl  = m9206_pid_filter_ctrl,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
 
-		.frontend_attach  = megasky_mt352_frontend_attach,
-		.tuner_attach     = megasky_qt1010_tuner_attach,
+		.frontend_attach  = m920x_mt352_frontend_attach,
+		.tuner_attach     = m920x_qt1010_tuner_attach,
 
 		.stream = {
 			.type = USB_BULK,
@@ -530,7 +678,7 @@ static struct dvb_usb_device_properties megasky_properties = {
 			}
 		},
 	}},
-	.i2c_algo         = &m9206_i2c_algo,
+	.i2c_algo         = &m920x_i2c_algo,
 
 	.num_device_descs = 1,
 	.devices = {
@@ -546,22 +694,22 @@ static struct dvb_usb_device_properties digivox_mini_ii_properties = {
 
 	.usb_ctrl = DEVICE_SPECIFIC,
 	.firmware = "dvb-usb-digivox-02.fw",
-	.download_firmware = m9206_firmware_download,
+	.download_firmware = m920x_firmware_download,
 
-	.size_of_priv     = sizeof(struct m9206_state),
+	.size_of_priv     = sizeof(struct m920x_state),
 
 	.identify_state   = m920x_identify_state,
 	.num_adapters = 1,
 	.adapter = {{
 		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
-		DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 
 		.pid_filter_count = 8,
-		.pid_filter       = m9206_pid_filter,
-		.pid_filter_ctrl  = m9206_pid_filter_ctrl,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
 
-		.frontend_attach  = digivox_tda10046_frontend_attach,
-		.tuner_attach     = digivox_tda8275_tuner_attach,
+		.frontend_attach  = m920x_tda10046_08_frontend_attach,
+		.tuner_attach     = m920x_tda8275_60_tuner_attach,
 
 		.stream = {
 			.type = USB_BULK,
@@ -574,7 +722,7 @@ static struct dvb_usb_device_properties digivox_mini_ii_properties = {
 			}
 		},
 	}},
-	.i2c_algo         = &m9206_i2c_algo,
+	.i2c_algo         = &m920x_i2c_algo,
 
 	.num_device_descs = 1,
 	.devices = {
@@ -585,6 +733,122 @@ static struct dvb_usb_device_properties digivox_mini_ii_properties = {
 	}
 };
 
+/* LifeView TV Walker Twin support by Nick Andrew <nick@nick-andrew.net>
+ *
+ * LifeView TV Walker Twin has 1 x M9206, 2 x TDA10046, 2 x TDA8275A
+ * TDA10046 #0 is located at i2c address 0x08
+ * TDA10046 #1 is located at i2c address 0x0b (presently disabled - not yet working)
+ * TDA8275A #0 is located at i2c address 0x60
+ * TDA8275A #1 is located at i2c address 0x61 (presently disabled - not yet working)
+ */
+static struct dvb_usb_device_properties tvwalkertwin_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = "dvb-usb-tvwalkert.fw",
+	.download_firmware = m920x_firmware_download,
+
+	.rc_interval      = 100,
+	.rc_key_map       = tvwalkertwin_rc_keys,
+	.rc_key_map_size  = ARRAY_SIZE(tvwalkertwin_rc_keys),
+	.rc_query         = m920x_rc_query,
+
+	.size_of_priv     = sizeof(struct m920x_state),
+
+	.identify_state   = m920x_identify_state,
+	.num_adapters = 1,
+	.adapter = {{
+		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+		.pid_filter_count = 8,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
+
+		.frontend_attach  = m920x_tda10046_08_frontend_attach,
+		.tuner_attach     = m920x_tda8275_60_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x81,
+			.u = {
+				 .bulk = {
+					 .buffersize = 512,
+				 }
+			}
+		}},{
+		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+		.pid_filter_count = 8,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
+
+		.frontend_attach  = m920x_tda10046_0b_frontend_attach,
+		.tuner_attach     = m920x_tda8275_61_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x82,
+			.u = {
+				 .bulk = {
+					 .buffersize = 512,
+				 }
+			}
+		},
+	}},
+	.i2c_algo         = &m920x_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		{   .name = "LifeView TV Walker Twin DVB-T USB2.0",
+		    .cold_ids = { &m920x_table[2], NULL },
+		    .warm_ids = { &m920x_table[3], NULL },
+		},
+	}
+};
+
+static struct dvb_usb_device_properties dposh_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = "dvb-usb-dposh-01.fw",
+	.download_firmware = m920x_firmware_download,
+
+	.size_of_priv     = sizeof(struct m920x_state),
+
+	.identify_state   = m920x_identify_state,
+	.num_adapters = 1,
+	.adapter = {{
+		/* Hardware pid filters don't work with this device/firmware */
+
+		.frontend_attach  = m920x_mt352_frontend_attach,
+		.tuner_attach     = m920x_qt1010_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x81,
+			.u = {
+				 .bulk = {
+					 .buffersize = 512,
+				 }
+			}
+		},
+	}},
+	.i2c_algo         = &m920x_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		 {   .name = "Dposh DVB-T USB2.0",
+		     .cold_ids = { &m920x_table[4], NULL },
+		     .warm_ids = { &m920x_table[5], NULL },
+		 },
+	 }
+};
+
 static struct usb_driver m920x_driver = {
 	.name		= "dvb_usb_m920x",
 	.probe		= m920x_probe,
@@ -615,6 +879,11 @@ module_init (m920x_module_init);
 module_exit (m920x_module_exit);
 
 MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
-MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / Uli m920x");
+MODULE_DESCRIPTION("DVB Driver for ULI M920x");
 MODULE_VERSION("0.1");
 MODULE_LICENSE("GPL");
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ */
diff --git a/drivers/media/dvb/dvb-usb/m920x.h b/drivers/media/dvb/dvb-usb/m920x.h
index 7dd3db65c80..2c8942d0422 100644
--- a/drivers/media/dvb/dvb-usb/m920x.h
+++ b/drivers/media/dvb/dvb-usb/m920x.h
@@ -4,7 +4,7 @@
 #define DVB_USB_LOG_PREFIX "m920x"
 #include "dvb-usb.h"
 
-#define deb_rc(args...)   dprintk(dvb_usb_m920x_debug,0x01,args)
+#define deb(args...)   dprintk(dvb_usb_m920x_debug,0x01,args)
 
 #define M9206_CORE	0x22
 #define M9206_RC_STATE	0xff51
@@ -59,9 +59,18 @@ What any other bits might mean, or how to get the slave's ACK/NACK
 response to a write, is unknown.
 */
 
-struct m9206_state {
+struct m920x_state {
 	u16 filters[M9206_MAX_FILTERS];
 	int filtering_enabled;
 	int rep_count;
 };
+
+/* Initialisation data for the m920x
+ */
+
+struct m920x_inits {
+	u16 address;
+	u8  data;
+};
+
 #endif
diff --git a/drivers/media/dvb/dvb-usb/vp702x-fe.c b/drivers/media/dvb/dvb-usb/vp702x-fe.c
index 3ecb2e0ce80..c3fdc7cd094 100644
--- a/drivers/media/dvb/dvb-usb/vp702x-fe.c
+++ b/drivers/media/dvb/dvb-usb/vp702x-fe.c
@@ -204,8 +204,8 @@ static int vp702x_fe_get_frontend(struct dvb_frontend* fe,
 static int vp702x_fe_send_diseqc_msg (struct dvb_frontend* fe,
 				    struct dvb_diseqc_master_cmd *m)
 {
-	//struct vp702x_fe_state *st = fe->demodulator_priv;
-	u8 cmd[8];//,ibuf[10];
+	struct vp702x_fe_state *st = fe->demodulator_priv;
+	u8 cmd[8],ibuf[10];
 	memset(cmd,0,8);
 
 	deb_fe("%s\n",__FUNCTION__);
@@ -218,12 +218,12 @@ static int vp702x_fe_send_diseqc_msg (struct dvb_frontend* fe,
 	memcpy(&cmd[3], m->msg, m->msg_len);
 	cmd[7] = vp702x_chksum(cmd,0,7);
 
-//	vp702x_usb_inout_op(st->d,cmd,8,ibuf,10,100);
+	vp702x_usb_inout_op(st->d,cmd,8,ibuf,10,100);
 
-//	if (ibuf[2] == 0 && ibuf[3] == 0)
-//		deb_fe("diseqc cmd failed.\n");
-//	else
-//		deb_fe("diseqc cmd succeeded.\n");
+	if (ibuf[2] == 0 && ibuf[3] == 0)
+		deb_fe("diseqc cmd failed.\n");
+	else
+		deb_fe("diseqc cmd succeeded.\n");
 
 	return 0;
 }