diff --git a/drivers/media/video/dpc7146.c b/drivers/media/video/dpc7146.c
index 2831bdd12057..0fcc935828f8 100644
--- a/drivers/media/video/dpc7146.c
+++ b/drivers/media/video/dpc7146.c
@@ -1,6 +1,6 @@
 /*
     dpc7146.c - v4l2 driver for the dpc7146 demonstration board
-    
+
     Copyright (C) 2000-2003 Michael Hunold <michael@mihu.de>
 
     This program is free software; you can redistribute it and/or modify
@@ -52,7 +52,7 @@
 #define SAA711X_DECODED_BYTES_OF_TS_2   0x1C
 #define SAA711X_STATUS_BYTE             0x1F
 
-#define DPC_BOARD_CAN_DO_VBI(dev)   (dev->revision != 0) 
+#define DPC_BOARD_CAN_DO_VBI(dev)   (dev->revision != 0)
 
 static int debug = 0;
 module_param(debug, int, 0);
@@ -81,16 +81,16 @@ struct dpc
 	struct video_device	*video_dev;
 	struct video_device	*vbi_dev;
 
-	struct i2c_adapter	i2c_adapter;	
+	struct i2c_adapter	i2c_adapter;
 	struct i2c_client	*saa7111a;
-	
+
 	int cur_input;	/* current input */
 };
 
 /* fixme: add vbi stuff here */
 static int dpc_probe(struct saa7146_dev* dev)
 {
-	struct dpc* dpc = NULL;	
+	struct dpc* dpc = NULL;
 	struct i2c_client *client;
 	struct list_head *item;
 
@@ -118,20 +118,20 @@ static int dpc_probe(struct saa7146_dev* dev)
 	/* loop through all i2c-devices on the bus and look who is there */
 	list_for_each(item,&dpc->i2c_adapter.clients) {
 		client = list_entry(item, struct i2c_client, list);
-		if( I2C_SAA7111A == client->addr ) 
+		if( I2C_SAA7111A == client->addr )
 			dpc->saa7111a = client;
 	}
 
 	/* check if all devices are present */
 	if( 0 == dpc->saa7111a ) {
-		DEB_D(("dpc_v4l2.o: dpc_attach failed for this device.\n"));	
+		DEB_D(("dpc_v4l2.o: dpc_attach failed for this device.\n"));
 		i2c_del_adapter(&dpc->i2c_adapter);
 		kfree(dpc);
 		return -ENODEV;
 	}
-	
-	/* all devices are present, probe was successful */	
-	DEB_D(("dpc_v4l2.o: dpc_probe succeeded for this device.\n"));	
+
+	/* all devices are present, probe was successful */
+	DEB_D(("dpc_v4l2.o: dpc_probe succeeded for this device.\n"));
 
 	/* we store the pointer in our private data field */
 	dev->ext_priv = dpc;
@@ -182,7 +182,7 @@ static struct saa7146_ext_vv vv_data;
 static int dpc_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
 {
 	struct dpc* dpc = (struct dpc*)dev->ext_priv;
-	
+
 	DEB_D(("dpc_v4l2.o: dpc_attach called.\n"));
 
 	/* checking for i2c-devices can be omitted here, because we
@@ -193,7 +193,7 @@ static int dpc_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data
 		ERR(("cannot register capture v4l2 device. skipping.\n"));
 		return -1;
 	}
-	
+
 	/* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
 	if( 0 != DPC_BOARD_CAN_DO_VBI(dev)) {
 		if( 0 != saa7146_register_device(&dpc->vbi_dev, dev, "dpc", VFL_TYPE_VBI)) {
@@ -205,18 +205,18 @@ static int dpc_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data
 
 	printk("dpc: found 'dpc7146 demonstration board'-%d.\n",dpc_num);
 	dpc_num++;
-	
+
 	/* the rest */
 	dpc->cur_input = 0;
 	dpc_init_done(dev);
-	
+
 	return 0;
 }
 
 static int dpc_detach(struct saa7146_dev* dev)
 {
 	struct dpc* dpc = (struct dpc*)dev->ext_priv;
-	
+
 	DEB_EE(("dev:%p\n",dev));
 
 	i2c_release_client(dpc->saa7111a);
@@ -238,25 +238,25 @@ static int dpc_detach(struct saa7146_dev* dev)
 int dpc_vbi_bypass(struct saa7146_dev* dev)
 {
 	struct dpc* dpc = (struct dpc*)dev->ext_priv;
-	
+
 	int i = 1;
 
 	/* switch bypass in saa7111a */
 	if ( 0 != dpc->saa7111a->driver->command(dpc->saa7111a,SAA711X_VBI_BYPASS, &i)) {
 		printk("dpc_v4l2.o: VBI_BYPASS: could not address saa7111a.\n");
 		return -1;
-	}			
+	}
 
 	return 0;
 }
 #endif
 
-static int dpc_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) 
+static int dpc_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 {
 	struct saa7146_dev *dev = fh->dev;
 	struct dpc* dpc = (struct dpc*)dev->ext_priv;
 /*
-	struct saa7146_vv *vv = dev->vv_data; 
+	struct saa7146_vv *vv = dev->vv_data;
 */
 	switch(cmd)
 	{
@@ -264,11 +264,11 @@ static int dpc_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 	{
 		struct v4l2_input *i = arg;
 		DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
-		
+
 		if( i->index < 0 || i->index >= DPC_INPUTS) {
 			return -EINVAL;
 		}
-		
+
 		memcpy(i, &dpc_inputs[i->index], sizeof(struct v4l2_input));
 
 		DEB_D(("dpc_v4l2.o: v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n",i->index));
@@ -289,13 +289,13 @@ static int dpc_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 		if (input < 0 || input >= DPC_INPUTS) {
 			return -EINVAL;
 		}
-	
+
 		dpc->cur_input = input;
 
 		/* fixme: switch input here, switch audio, too! */
 //		saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
 		printk("dpc_v4l2.o: VIDIOC_S_INPUT: fixme switch input.\n");
-		
+
 		return 0;
 	}
 	default:
@@ -334,8 +334,8 @@ static struct saa7146_standard standard[] = {
 static struct saa7146_extension extension;
 
 static struct saa7146_pci_extension_data dpc = {
-        .ext_priv = "Multimedia eXtension Board",
-        .ext = &extension,
+	.ext_priv = "Multimedia eXtension Board",
+	.ext = &extension,
 };
 
 static struct pci_device_id pci_tbl[] = {
@@ -357,7 +357,7 @@ static struct saa7146_ext_vv vv_data = {
 	.capabilities	= V4L2_CAP_VBI_CAPTURE,
 	.stds		= &standard[0],
 	.num_stds	= sizeof(standard)/sizeof(struct saa7146_standard),
-	.std_callback	= &std_callback, 
+	.std_callback	= &std_callback,
 	.ioctls		= &ioctls[0],
 	.ioctl		= dpc_ioctl,
 };
@@ -365,7 +365,7 @@ static struct saa7146_ext_vv vv_data = {
 static struct saa7146_extension extension = {
 	.name		= "dpc7146 demonstration board",
 	.flags		= SAA7146_USE_I2C_IRQ,
-	
+
 	.pci_tbl	= &pci_tbl[0],
 	.module		= THIS_MODULE,
 
@@ -375,7 +375,7 @@ static struct saa7146_extension extension = {
 
 	.irq_mask	= 0,
 	.irq_func	= NULL,
-};	
+};
 
 static int __init dpc_init_module(void)
 {
@@ -383,7 +383,7 @@ static int __init dpc_init_module(void)
 		DEB_S(("failed to register extension.\n"));
 		return -ENODEV;
 	}
-	
+
 	return 0;
 }
 
diff --git a/drivers/media/video/hexium_gemini.c b/drivers/media/video/hexium_gemini.c
index e7bbeb11553d..c7fed3405655 100644
--- a/drivers/media/video/hexium_gemini.c
+++ b/drivers/media/video/hexium_gemini.c
@@ -1,9 +1,9 @@
 /*
     hexium_gemini.c - v4l2 driver for Hexium Gemini frame grabber cards
-               
+
     Visit http://www.mihu.de/linux/saa7146/ and follow the link
     to "hexium" for further details about this card.
-    
+
     Copyright (C) 2003 Michael Hunold <michael@mihu.de>
 
     This program is free software; you can redistribute it and/or modify
@@ -81,7 +81,7 @@ struct hexium
 
 	struct video_device	*video_dev;
 	struct i2c_adapter	i2c_adapter;
-		
+
 	int 		cur_input;	/* current input */
 	v4l2_std_id 	cur_std;	/* current standard */
 	int		cur_bw;		/* current black/white status */
@@ -174,7 +174,7 @@ static struct saa7146_standard hexium_standards[] = {
 		.h_offset	= 1,	.h_pixels 	= 720,
 		.v_max_out	= 576,	.h_max_out	= 768,
 	}
-};		
+};
 
 /* bring hardware to a sane state. this has to be done, just in case someone
    wants to capture from this device before it has been properly initialized.
@@ -311,7 +311,7 @@ static int hexium_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 	struct saa7146_dev *dev = fh->dev;
 	struct hexium *hexium = (struct hexium *) dev->ext_priv;
 /*
-	struct saa7146_vv *vv = dev->vv_data; 
+	struct saa7146_vv *vv = dev->vv_data;
 */
 	switch (cmd) {
 	case VIDIOC_ENUMINPUT:
diff --git a/drivers/media/video/hexium_orion.c b/drivers/media/video/hexium_orion.c
index aad4a18aafd6..137c4736da04 100644
--- a/drivers/media/video/hexium_orion.c
+++ b/drivers/media/video/hexium_orion.c
@@ -3,7 +3,7 @@
 
     Visit http://www.mihu.de/linux/saa7146/ and follow the link
     to "hexium" for further details about this card.
-    
+
     Copyright (C) 2003 Michael Hunold <michael@mihu.de>
 
     This program is free software; you can redistribute it and/or modify
@@ -69,7 +69,7 @@ struct hexium
 {
 	int type;
 	struct video_device	*video_dev;
-	struct i2c_adapter	i2c_adapter;	
+	struct i2c_adapter	i2c_adapter;
 
 	int cur_input;	/* current input */
 };
@@ -86,7 +86,7 @@ static u8 hexium_saa7110[53]={
 };
 
 static struct {
-	struct hexium_data data[8];	
+	struct hexium_data data[8];
 } hexium_input_select[] = {
 {
 	{ /* cvbs 1 */
@@ -153,7 +153,7 @@ static struct {
 		{ 0x30, 0x60 },
 		{ 0x31, 0xB5 }, // ??
 		{ 0x21, 0x03 },
-	} 
+	}
 }, {
 	{ /* y/c 1 */
 		{ 0x06, 0x80 },
@@ -187,7 +187,7 @@ static struct {
 		{ 0x31, 0x75 },
 		{ 0x21, 0x21 },
 	}
-}	
+}
 };
 
 static struct saa7146_standard hexium_standards[] = {
@@ -207,7 +207,7 @@ static struct saa7146_standard hexium_standards[] = {
 		.h_offset	= 1,	.h_pixels 	= 720,
 		.v_max_out	= 576,	.h_max_out	= 768,
 	}
-};		
+};
 
 /* this is only called for old HV-PCI6/Orion cards
    without eeprom */
@@ -272,7 +272,7 @@ static int hexium_probe(struct saa7146_dev *dev)
 		return 0;
 	}
 
-	/* check if this is an old hexium Orion card by looking at 
+	/* check if this is an old hexium Orion card by looking at
 	   a saa7110 at address 0x4e */
 	if (0 == (err = i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_READ, 0x00, I2C_SMBUS_BYTE_DATA, &data))) {
 		printk("hexium_orion: device is a Hexium HV-PCI6/Orion (old).\n");
@@ -314,7 +314,7 @@ static int hexium_set_input(struct hexium *hexium, int input)
 {
 	union i2c_smbus_data data;
 	int i = 0;
-	
+
 	DEB_D((".\n"));
 
 	for (i = 0; i < 8; i++) {
@@ -375,7 +375,7 @@ static int hexium_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 	struct saa7146_dev *dev = fh->dev;
 	struct hexium *hexium = (struct hexium *) dev->ext_priv;
 /*
-	struct saa7146_vv *vv = dev->vv_data; 
+	struct saa7146_vv *vv = dev->vv_data;
 */
 	switch (cmd) {
 	case VIDIOC_ENUMINPUT:
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c
index 2f154f415bca..eb3b31867494 100644
--- a/drivers/media/video/mxb.c
+++ b/drivers/media/video/mxb.c
@@ -1,11 +1,11 @@
 /*
     mxb - v4l2 driver for the Multimedia eXtension Board
-    
+
     Copyright (C) 1998-2006 Michael Hunold <michael@mihu.de>
 
     Visit http://www.mihu.de/linux/saa7146/mxb/
     for further details about this card.
-    
+
     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; either version 2 of the License, or
@@ -35,12 +35,12 @@
 
 #define I2C_SAA7111 0x24
 
-#define MXB_BOARD_CAN_DO_VBI(dev)   (dev->revision != 0) 
+#define MXB_BOARD_CAN_DO_VBI(dev)   (dev->revision != 0)
 
 /* global variable */
 static int mxb_num = 0;
 
-/* initial frequence the tuner will be tuned to. 
+/* initial frequence the tuner will be tuned to.
    in verden (lower saxony, germany) 4148 is a
    channel called "phoenix" */
 static int freq = 4148;
@@ -55,7 +55,7 @@ MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
 enum { TUNER, AUX1, AUX3, AUX3_YC };
 
 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
-	{ TUNER,	"Tuner",		V4L2_INPUT_TYPE_TUNER,	1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 }, 
+	{ TUNER,	"Tuner",		V4L2_INPUT_TYPE_TUNER,	1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
 	{ AUX1,		"AUX1",			V4L2_INPUT_TYPE_CAMERA,	2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
 	{ AUX3,		"AUX3 Composite",	V4L2_INPUT_TYPE_CAMERA,	4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
 	{ AUX3_YC,	"AUX3 S-Video",		V4L2_INPUT_TYPE_CAMERA,	4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
@@ -66,7 +66,7 @@ static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
 static struct {
 	int hps_source;
 	int hps_sync;
-} input_port_selection[MXB_INPUTS] = { 	
+} input_port_selection[MXB_INPUTS] = {
 	{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
 	{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
 	{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
@@ -81,7 +81,7 @@ static int video_audio_connect[MXB_INPUTS] =
 /* these are the necessary input-output-pins for bringing one audio source
 (see above) to the CD-output */
 static struct tea6420_multiplex TEA6420_cd[MXB_AUDIOS+1][2] =
-		{ 
+		{
 		{{1,1,0},{1,1,0}},	/* Tuner */
 		{{5,1,0},{6,1,0}},	/* AUX 1 */
 		{{4,1,0},{6,1,0}},	/* AUX 2 */
@@ -122,8 +122,8 @@ static struct saa7146_extension_ioctls ioctls[] = {
 	{ VIDIOC_S_FREQUENCY, 	SAA7146_EXCLUSIVE },
 	{ VIDIOC_G_AUDIO, 	SAA7146_EXCLUSIVE },
 	{ VIDIOC_S_AUDIO, 	SAA7146_EXCLUSIVE },
-	{ MXB_S_AUDIO_CD, 	SAA7146_EXCLUSIVE },	/* custom control */	
-	{ MXB_S_AUDIO_LINE, 	SAA7146_EXCLUSIVE },	/* custom control */	
+	{ MXB_S_AUDIO_CD, 	SAA7146_EXCLUSIVE },	/* custom control */
+	{ MXB_S_AUDIO_LINE, 	SAA7146_EXCLUSIVE },	/* custom control */
 	{ 0,			0 }
 };
 
@@ -132,7 +132,7 @@ struct mxb
 	struct video_device	*video_dev;
 	struct video_device	*vbi_dev;
 
-	struct i2c_adapter	i2c_adapter;	
+	struct i2c_adapter	i2c_adapter;
 
 	struct i2c_client*	saa7111a;
 	struct i2c_client*	tda9840;
@@ -200,15 +200,15 @@ static int mxb_probe(struct saa7146_dev* dev)
 		client = list_entry(item, struct i2c_client, list);
 		if( I2C_TEA6420_1 == client->addr )
 			mxb->tea6420_1 = client;
-		if( I2C_TEA6420_2 == client->addr ) 
+		if( I2C_TEA6420_2 == client->addr )
 			mxb->tea6420_2 = client;
-		if( I2C_TEA6415C_2 == client->addr ) 
+		if( I2C_TEA6415C_2 == client->addr )
 			mxb->tea6415c = client;
-		if( I2C_TDA9840 == client->addr ) 
+		if( I2C_TDA9840 == client->addr )
 			mxb->tda9840 = client;
 		if( I2C_SAA7111 == client->addr )
 			mxb->saa7111a = client;
-		if( 0x60 == client->addr ) 
+		if( 0x60 == client->addr )
 			mxb->tuner = client;
 	}
 
@@ -222,7 +222,7 @@ static int mxb_probe(struct saa7146_dev* dev)
 		return -ENODEV;
 	}
 
-	/* all devices are present, probe was successful */	
+	/* all devices are present, probe was successful */
 
 	/* we store the pointer in our private data field */
 	dev->ext_priv = mxb;
@@ -230,7 +230,7 @@ static int mxb_probe(struct saa7146_dev* dev)
 	return 0;
 }
 
-/* some init data for the saa7740, the so-called 'sound arena module'. 
+/* some init data for the saa7740, the so-called 'sound arena module'.
    there are no specs available, so we simply use some init values */
 static struct {
 	int	length;
@@ -330,7 +330,7 @@ static int mxb_init_done(struct saa7146_dev* dev)
 	v4l2_std_id std = V4L2_STD_PAL_BG;
 
 	int i = 0, err = 0;
-	struct	tea6415c_multiplex vm;	
+	struct	tea6415c_multiplex vm;
 
 	/* select video mode in saa7111a */
 	i = VIDEO_MODE_PAL;
@@ -380,16 +380,16 @@ static int mxb_init_done(struct saa7146_dev* dev)
 	vm.in  = 3;
 	vm.out = 13;
 	mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
-				
+
 	/* the rest for mxb */
 	mxb->cur_input = 0;
 	mxb->cur_mute = 1;
 
 	mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
 	mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &mxb->cur_mode);
-			
+
 	/* check if the saa7740 (aka 'sound arena module') is present
-	   on the mxb. if so, we must initialize it. due to lack of 
+	   on the mxb. if so, we must initialize it. due to lack of
 	   informations about the saa7740, the values were reverse
 	   engineered. */
 	msg.addr = 0x1b;
@@ -409,7 +409,7 @@ static int mxb_init_done(struct saa7146_dev* dev)
 				break;
 			}
 
-			msg.len = mxb_saa7740_init[i].length;		
+			msg.len = mxb_saa7740_init[i].length;
 			msg.buf = &mxb_saa7740_init[i].data[0];
 			if( 1 != (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
 				DEB_D(("failed to initialize 'sound arena module'.\n"));
@@ -418,12 +418,12 @@ static int mxb_init_done(struct saa7146_dev* dev)
 		}
 		INFO(("'sound arena module' detected.\n"));
 	}
-err:	
+err:
 	/* the rest for saa7146: you should definitely set some basic values
 	   for the input-port handling of the saa7146. */
 
 	/* ext->saa has been filled by the core driver */
-	   
+
 	/* some stuff is done via variables */
 	saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, input_port_selection[mxb->cur_input].hps_sync);
 
@@ -431,7 +431,7 @@ static int mxb_init_done(struct saa7146_dev* dev)
 
 	/* this is ugly, but because of the fact that this is completely
 	   hardware dependend, it should be done directly... */
-      	saa7146_write(dev, DD1_STREAM_B,	0x00000000);
+	saa7146_write(dev, DD1_STREAM_B,	0x00000000);
 	saa7146_write(dev, DD1_INIT,		0x02000200);
 	saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
 
@@ -453,7 +453,7 @@ static struct saa7146_ext_vv vv_data;
 static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
 {
 	struct mxb* mxb = (struct mxb*)dev->ext_priv;
-	
+
 	DEB_EE(("dev:%p\n",dev));
 
 	/* checking for i2c-devices can be omitted here, because we
@@ -464,7 +464,7 @@ static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data
 		ERR(("cannot register capture v4l2 device. skipping.\n"));
 		return -1;
 	}
-	
+
 	/* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
 	if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
 		if( 0 != saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
@@ -513,17 +513,17 @@ static int mxb_detach(struct saa7146_dev* dev)
 	return 0;
 }
 
-static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) 
+static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 {
 	struct saa7146_dev *dev = fh->dev;
 	struct mxb* mxb = (struct mxb*)dev->ext_priv;
-	struct saa7146_vv *vv = dev->vv_data; 
-	
+	struct saa7146_vv *vv = dev->vv_data;
+
 	switch(cmd) {
 	case VIDIOC_ENUMINPUT:
 	{
 		struct v4l2_input *i = arg;
-		
+
 		DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
 		if( i->index < 0 || i->index >= MXB_INPUTS) {
 			return -EINVAL;
@@ -559,11 +559,11 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 				break;
 			}
 		}
-		
+
 		if( i < 0 ) {
 			return -EAGAIN;
 		}
-			
+
 		switch (vc->id ) {
 			case V4L2_CID_AUDIO_MUTE: {
 				vc->value = mxb->cur_mute;
@@ -571,7 +571,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 				return 0;
 			}
 		}
-		
+
 		DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
 		return 0;
 	}
@@ -580,17 +580,17 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 	{
 		struct	v4l2_control	*vc = arg;
 		int i = 0;
-		
+
 		for (i = MAXCONTROLS - 1; i >= 0; i--) {
 			if (mxb_controls[i].id == vc->id) {
 				break;
 			}
 		}
-		
+
 		if( i < 0 ) {
 			return -EAGAIN;
 		}
-		
+
 		switch (vc->id ) {
 			case V4L2_CID_AUDIO_MUTE: {
 				mxb->cur_mute = vc->value;
@@ -614,12 +614,12 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 		*input = mxb->cur_input;
 
 		DEB_EE(("VIDIOC_G_INPUT %d.\n",*input));
-		return 0;		
-	}	
+		return 0;
+	}
 	case VIDIOC_S_INPUT:
 	{
 		int input = *(int *)arg;
-		struct	tea6415c_multiplex vm;	
+		struct	tea6415c_multiplex vm;
 		int i = 0;
 
 		DEB_EE(("VIDIOC_S_INPUT %d.\n",input));
@@ -627,34 +627,34 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 		if (input < 0 || input >= MXB_INPUTS) {
 			return -EINVAL;
 		}
-		
+
 		/* fixme: locke das setzen des inputs mit hilfe des mutexes
 		mutex_lock(&dev->lock);
 		video_mux(dev,*i);
 		mutex_unlock(&dev->lock);
 		*/
-				
+
 		/* fixme: check if streaming capture
 		if ( 0 != dev->streaming ) {
 			DEB_D(("VIDIOC_S_INPUT illegal while streaming.\n"));
 			return -EPERM;
 		}
 		*/
-		
+
 		mxb->cur_input = input;
-	
+
 		saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
-		
+
 		/* prepare switching of tea6415c and saa7111a;
 		   have a look at the 'background'-file for further informations  */
 		switch( input ) {
-			
+
 			case TUNER:
 			{
 				i = 0;
 				vm.in  = 3;
 				vm.out = 17;
-								
+
 			if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
 					printk("VIDIOC_S_INPUT: could not address tea6415c #1\n");
 					return -EFAULT;
@@ -662,7 +662,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 				/* connect tuner-output always to multicable */
 				vm.in  = 3;
 				vm.out = 13;
-				break;				
+				break;
 			}
 			case AUX3_YC:
 			{
@@ -703,11 +703,11 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 				break;
 			}
 		}
-				
+
 		/* switch video in saa7111a */
 		if ( 0 != mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i)) {
 			printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n");
-		}			
+		}
 
 		/* switch the audio-source only if necessary */
 		if( 0 == mxb->cur_mute ) {
@@ -738,11 +738,11 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 		t->rangehigh = 13684;	/* 855.25 MHz / 62.5 kHz = 13684 */
 		/* FIXME: add the real signal strength here */
 		t->signal = 0xffff;
-		t->afc = 0;		
+		t->afc = 0;
 
 		mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte);
 		t->audmode = mxb->cur_mode;
-		
+
 		if( byte < 0 ) {
 			t->rxsubchans  = V4L2_TUNER_SUB_MONO;
 		} else {
@@ -777,12 +777,12 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 		struct v4l2_tuner *t = arg;
 		int result = 0;
 		int byte = 0;
-		
+
 		if( 0 != t->index ) {
 			DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
 			return -EINVAL;
 		}
-	
+
 		switch(t->audmode) {
 			case V4L2_TUNER_MODE_STEREO: {
 				mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
@@ -813,7 +813,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 		if( 0 != (result = mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &byte))) {
 			printk("VIDIOC_S_TUNER error. result:%d, byte:%d\n",result,byte);
 		}
-				
+
 		return 0;
 	}
 	case VIDIOC_G_FREQUENCY:
@@ -839,7 +839,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 
 		if (V4L2_TUNER_ANALOG_TV != f->type)
 			return -EINVAL;
-		
+
 		if(0 != mxb->cur_input) {
 			DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
 			return -EINVAL;
@@ -848,7 +848,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 		mxb->cur_freq = *f;
 		DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
 
-		/* tune in desired frequency */			
+		/* tune in desired frequency */
 		mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY, &mxb->cur_freq);
 
 		/* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
@@ -861,12 +861,12 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 	case MXB_S_AUDIO_CD:
 	{
 		int i = *(int*)arg;
-				
+
 		if( i < 0 || i >= MXB_AUDIOS ) {
 			DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i));
 			return -EINVAL;
 		}
-		
+
 		DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i));
 
 		mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[i][0]);
@@ -877,12 +877,12 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 	case MXB_S_AUDIO_LINE:
 	{
 		int i = *(int*)arg;
-				
+
 		if( i < 0 || i >= MXB_AUDIOS ) {
 			DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i));
 			return -EINVAL;
 		}
-		
+
 		DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n",i));
 		mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[i][0]);
 		mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[i][1]);
@@ -894,13 +894,13 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 		struct v4l2_audio *a = arg;
 
 		if( a->index < 0 || a->index > MXB_INPUTS ) {
-	 		DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index));
+			DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index));
 			return -EINVAL;
 		}
-		
- 		DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index));
+
+		DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index));
 		memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
-		
+
 		return 0;
 	}
 	case VIDIOC_S_AUDIO:
@@ -908,7 +908,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 		struct v4l2_audio *a = arg;
 		DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index));
 		return 0;
-	}	
+	}
 	default:
 /*
 		DEB2(printk("does not handle this ioctl.\n"));
@@ -928,7 +928,7 @@ static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
 		v4l2_std_id std = V4L2_STD_PAL_I;
 		DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
 		/* set the 7146 gpio register -- I don't know what this does exactly */
-      		saa7146_write(dev, GPIO_CTRL, 0x00404050);
+		saa7146_write(dev, GPIO_CTRL, 0x00404050);
 		/* unset the 7111 gpio register -- I don't know what this does exactly */
 		mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &zero);
 		mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
@@ -936,7 +936,7 @@ static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
 		v4l2_std_id std = V4L2_STD_PAL_BG;
 		DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
 		/* set the 7146 gpio register -- I don't know what this does exactly */
-      		saa7146_write(dev, GPIO_CTRL, 0x00404050);
+		saa7146_write(dev, GPIO_CTRL, 0x00404050);
 		/* set the 7111 gpio register -- I don't know what this does exactly */
 		mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &one);
 		mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
@@ -969,8 +969,8 @@ static struct saa7146_standard standard[] = {
 };
 
 static struct saa7146_pci_extension_data mxb = {
-        .ext_priv = "Multimedia eXtension Board",
-        .ext = &extension,
+	.ext_priv = "Multimedia eXtension Board",
+	.ext = &extension,
 };
 
 static struct pci_device_id pci_tbl[] = {
@@ -992,7 +992,7 @@ static struct saa7146_ext_vv vv_data = {
 	.capabilities	= V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
 	.stds		= &standard[0],
 	.num_stds	= sizeof(standard)/sizeof(struct saa7146_standard),
-	.std_callback	= &std_callback, 
+	.std_callback	= &std_callback,
 	.ioctls		= &ioctls[0],
 	.ioctl		= mxb_ioctl,
 };
@@ -1000,7 +1000,7 @@ static struct saa7146_ext_vv vv_data = {
 static struct saa7146_extension extension = {
 	.name		= MXB_IDENTIFIER,
 	.flags		= SAA7146_USE_I2C_IRQ,
-	
+
 	.pci_tbl	= &pci_tbl[0],
 	.module		= THIS_MODULE,
 
@@ -1010,7 +1010,7 @@ static struct saa7146_extension extension = {
 
 	.irq_mask	= 0,
 	.irq_func	= NULL,
-};	
+};
 
 static int __init mxb_init_module(void)
 {
@@ -1018,7 +1018,7 @@ static int __init mxb_init_module(void)
 		DEB_S(("failed to register extension.\n"));
 		return -ENODEV;
 	}
-	
+
 	return 0;
 }
 
diff --git a/drivers/media/video/mxb.h b/drivers/media/video/mxb.h
index 2332ed5f7c6b..400a57ba62ec 100644
--- a/drivers/media/video/mxb.h
+++ b/drivers/media/video/mxb.h
@@ -38,5 +38,5 @@ static struct v4l2_audio mxb_audios[MXB_AUDIOS] = {
 		.name	= "CD-ROM (X10)",
 		.capability = V4L2_AUDCAP_STEREO,
 	}
-};	
+};
 #endif
diff --git a/drivers/media/video/tda9840.c b/drivers/media/video/tda9840.c
index ed4c04119ccc..0243700f58ae 100644
--- a/drivers/media/video/tda9840.c
+++ b/drivers/media/video/tda9840.c
@@ -24,6 +24,7 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
 
+
 #include <linux/module.h>
 #include <linux/ioctl.h>
 #include <linux/i2c.h>
@@ -222,7 +223,7 @@ static int detach(struct i2c_client *client)
 
 static struct i2c_driver driver = {
 	.driver = {
-		.name	= "tda9840",
+		.name = "tda9840",
 	},
 	.id	= I2C_DRIVERID_TDA9840,
 	.attach_adapter	= attach,
diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c
index bb35844e3842..774ed0dbc56d 100644
--- a/drivers/media/video/tea6415c.c
+++ b/drivers/media/video/tea6415c.c
@@ -26,6 +26,7 @@
     Foundation, Inc., 675 Mvss Ave, Cambridge, MA 02139, USA.
   */
 
+
 #include <linux/module.h>
 #include <linux/ioctl.h>
 #include <linux/i2c.h>
@@ -107,7 +108,7 @@ static int switch_matrix(struct i2c_client *client, int i, int o)
 {
 	u8 byte = 0;
 	int ret;
-	
+
 	dprintk("adr:0x%02x, i:%d, o:%d\n", client->addr, i, o);
 
 	/* check if the pins are valid */
@@ -191,7 +192,7 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg)
 
 static struct i2c_driver driver = {
 	.driver = {
-		.name 	= "tea6415c",
+		.name = "tea6415c",
 	},
 	.id 	= I2C_DRIVERID_TEA6415C,
 	.attach_adapter	= attach,
diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c
index 4dcba5a4fff0..ad7d2872cfbf 100644
--- a/drivers/media/video/tea6420.c
+++ b/drivers/media/video/tea6420.c
@@ -26,6 +26,7 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
 
+
 #include <linux/module.h>
 #include <linux/ioctl.h>
 #include <linux/i2c.h>
@@ -83,7 +84,7 @@ static int tea6420_switch(struct i2c_client *client, int i, int o, int g)
 		dprintk("i2c_smbus_write_byte() failed, ret:%d\n", ret);
 		return -EIO;
 	}
-	
+
 	return 0;
 }
 
@@ -167,7 +168,7 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg)
 
 static struct i2c_driver driver = {
 	.driver = {
-		.name	= "tea6420",
+		.name = "tea6420",
 	},
 	.id	= I2C_DRIVERID_TEA6420,
 	.attach_adapter	= attach,