[PATCH] v4l: 800: whitespace cleanups

- Whitespace Cleanups.

Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 171 insertions, 171 deletions

diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c
index f8307407e320..0005741d5514 100644
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -3,7 +3,7 @@
     bttv - Bt848 frame grabber driver
 
     Copyright (C) 1996,97,98 Ralph  Metzler <rjkm@thp.uni-koeln.de>
-                           & Marcus Metzler <mocm@thp.uni-koeln.de>
+			   & Marcus Metzler <mocm@thp.uni-koeln.de>
     (c) 1999-2002 Gerd Knorr <kraxel@bytesex.org>
 
     some v4l2 code lines are taken from Justin's bttv2 driver which is
@@ -192,8 +192,8 @@ static u8 SRAM_Table[][60] =
 
 const struct bttv_tvnorm bttv_tvnorms[] = {
 	/* PAL-BDGHI */
-        /* max. active video is actually 922, but 924 is divisible by 4 and 3! */
- 	/* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */
+	/* max. active video is actually 922, but 924 is divisible by 4 and 3! */
+	/* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */
 	{
 		.v4l2_id        = V4L2_STD_PAL,
 		.name           = "PAL",
@@ -806,9 +806,9 @@ static void bt848A_set_timing(struct bttv *btv)
 			btv->c.nr,table_idx);
 
 		/* timing change...reset timing generator address */
-       		btwrite(0x00, BT848_TGCTRL);
-       		btwrite(0x02, BT848_TGCTRL);
-       		btwrite(0x00, BT848_TGCTRL);
+		btwrite(0x00, BT848_TGCTRL);
+		btwrite(0x02, BT848_TGCTRL);
+		btwrite(0x00, BT848_TGCTRL);
 
 		len=SRAM_Table[table_idx][0];
 		for(i = 1; i <= len; i++)
@@ -847,7 +847,7 @@ static void bt848_hue(struct bttv *btv, int hue)
 
 	/* -128 to 127 */
 	value = (hue >> 8) - 128;
-        btwrite(value & 0xff, BT848_HUE);
+	btwrite(value & 0xff, BT848_HUE);
 }
 
 static void bt848_contrast(struct bttv *btv, int cont)
@@ -859,9 +859,9 @@ static void bt848_contrast(struct bttv *btv, int cont)
 	/* 0-511 */
 	value = (cont  >> 7);
 	hibit = (value >> 6) & 4;
-        btwrite(value & 0xff, BT848_CONTRAST_LO);
-        btaor(hibit, ~4, BT848_E_CONTROL);
-        btaor(hibit, ~4, BT848_O_CONTROL);
+	btwrite(value & 0xff, BT848_CONTRAST_LO);
+	btaor(hibit, ~4, BT848_E_CONTROL);
+	btaor(hibit, ~4, BT848_O_CONTROL);
 }
 
 static void bt848_sat(struct bttv *btv, int color)
@@ -873,12 +873,12 @@ static void bt848_sat(struct bttv *btv, int color)
 	/* 0-511 for the color */
 	val_u   = ((color * btv->opt_uv_ratio) / 50) >> 7;
 	val_v   = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254;
-        hibits  = (val_u >> 7) & 2;
+	hibits  = (val_u >> 7) & 2;
 	hibits |= (val_v >> 8) & 1;
-        btwrite(val_u & 0xff, BT848_SAT_U_LO);
-        btwrite(val_v & 0xff, BT848_SAT_V_LO);
-        btaor(hibits, ~3, BT848_E_CONTROL);
-        btaor(hibits, ~3, BT848_O_CONTROL);
+	btwrite(val_u & 0xff, BT848_SAT_U_LO);
+	btwrite(val_v & 0xff, BT848_SAT_V_LO);
+	btaor(hibits, ~3, BT848_E_CONTROL);
+	btaor(hibits, ~3, BT848_O_CONTROL);
 }
 
 /* ----------------------------------------------------------------------- */
@@ -891,7 +891,7 @@ video_mux(struct bttv *btv, unsigned int input)
 	if (input >= bttv_tvcards[btv->c.type].video_inputs)
 		return -EINVAL;
 
-        /* needed by RemoteVideo MX */
+	/* needed by RemoteVideo MX */
 	mask2 = bttv_tvcards[btv->c.type].gpiomask2;
 	if (mask2)
 		gpio_inout(mask2,mask2);
@@ -1055,22 +1055,22 @@ static void init_bt848(struct bttv *btv)
 	btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL);
 	btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM);
 
-        /* set planar and packed mode trigger points and         */
-        /* set rising edge of inverted GPINTR pin as irq trigger */
-        btwrite(BT848_GPIO_DMA_CTL_PKTP_32|
-                BT848_GPIO_DMA_CTL_PLTP1_16|
-                BT848_GPIO_DMA_CTL_PLTP23_16|
-                BT848_GPIO_DMA_CTL_GPINTC|
-                BT848_GPIO_DMA_CTL_GPINTI,
-                BT848_GPIO_DMA_CTL);
+	/* set planar and packed mode trigger points and         */
+	/* set rising edge of inverted GPINTR pin as irq trigger */
+	btwrite(BT848_GPIO_DMA_CTL_PKTP_32|
+		BT848_GPIO_DMA_CTL_PLTP1_16|
+		BT848_GPIO_DMA_CTL_PLTP23_16|
+		BT848_GPIO_DMA_CTL_GPINTC|
+		BT848_GPIO_DMA_CTL_GPINTI,
+		BT848_GPIO_DMA_CTL);
 
 	val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0;
-        btwrite(val, BT848_E_SCLOOP);
-        btwrite(val, BT848_O_SCLOOP);
+	btwrite(val, BT848_E_SCLOOP);
+	btwrite(val, BT848_O_SCLOOP);
 
-        btwrite(0x20, BT848_E_VSCALE_HI);
-        btwrite(0x20, BT848_O_VSCALE_HI);
-        btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
+	btwrite(0x20, BT848_E_VSCALE_HI);
+	btwrite(0x20, BT848_O_VSCALE_HI);
+	btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
 		BT848_ADC);
 
 	btwrite(whitecrush_upper, BT848_WC_UP);
@@ -1089,7 +1089,7 @@ static void init_bt848(struct bttv *btv)
 	bt848_contrast(btv, btv->contrast);
 	bt848_sat(btv,      btv->saturation);
 
-        /* interrupt */
+	/* interrupt */
 	init_irqreg(btv);
 }
 
@@ -1105,7 +1105,7 @@ static void bttv_reinit_bt848(struct bttv *btv)
 	spin_unlock_irqrestore(&btv->s_lock,flags);
 
 	init_bt848(btv);
-        btv->pll.pll_current = -1;
+	btv->pll.pll_current = -1;
 	set_input(btv,btv->input);
 }
 
@@ -1398,7 +1398,7 @@ bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh,
 /* video4linux (1) interface                                               */
 
 static int bttv_prepare_buffer(struct bttv *btv, struct bttv_buffer *buf,
- 			       const struct bttv_format *fmt,
+			       const struct bttv_format *fmt,
 			       unsigned int width, unsigned int height,
 			       enum v4l2_field field)
 {
@@ -1521,8 +1521,8 @@ static const char *v4l1_ioctls[] = {
 static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
 {
 	switch (cmd) {
-        case BTTV_VERSION:
-                return BTTV_VERSION_CODE;
+	case BTTV_VERSION:
+		return BTTV_VERSION_CODE;
 
 	/* ***  v4l1  *** ************************************************ */
 	case VIDIOCGFREQ:
@@ -1576,32 +1576,32 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
 		return 0;
 	}
 
-        case VIDIOCGCHAN:
-        {
-                struct video_channel *v = arg;
+	case VIDIOCGCHAN:
+	{
+		struct video_channel *v = arg;
 		unsigned int channel = v->channel;
 
-                if (channel >= bttv_tvcards[btv->c.type].video_inputs)
-                        return -EINVAL;
-                v->tuners=0;
-                v->flags = VIDEO_VC_AUDIO;
-                v->type = VIDEO_TYPE_CAMERA;
-                v->norm = btv->tvnorm;
+		if (channel >= bttv_tvcards[btv->c.type].video_inputs)
+			return -EINVAL;
+		v->tuners=0;
+		v->flags = VIDEO_VC_AUDIO;
+		v->type = VIDEO_TYPE_CAMERA;
+		v->norm = btv->tvnorm;
 		if (channel == bttv_tvcards[btv->c.type].tuner)  {
-                        strcpy(v->name,"Television");
-                        v->flags|=VIDEO_VC_TUNER;
-                        v->type=VIDEO_TYPE_TV;
-                        v->tuners=1;
-                } else if (channel == btv->svhs) {
-                        strcpy(v->name,"S-Video");
-                } else {
-                        sprintf(v->name,"Composite%d",channel);
+			strcpy(v->name,"Television");
+			v->flags|=VIDEO_VC_TUNER;
+			v->type=VIDEO_TYPE_TV;
+			v->tuners=1;
+		} else if (channel == btv->svhs) {
+			strcpy(v->name,"S-Video");
+		} else {
+			sprintf(v->name,"Composite%d",channel);
 		}
 		return 0;
-        }
-        case VIDIOCSCHAN:
-        {
-                struct video_channel *v = arg;
+	}
+	case VIDIOCSCHAN:
+	{
+		struct video_channel *v = arg;
 		unsigned int channel = v->channel;
 
 		if (channel >= bttv_tvcards[btv->c.type].video_inputs)
@@ -1623,7 +1623,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
 		return 0;
 	}
 
-        case VIDIOCGAUDIO:
+	case VIDIOCGAUDIO:
 	{
 		struct video_audio *v = arg;
 
@@ -1728,7 +1728,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
 		} else if (i->index == btv->svhs) {
 			sprintf(i->name, "S-Video");
 		} else {
-                        sprintf(i->name,"Composite%d",i->index);
+			sprintf(i->name,"Composite%d",i->index);
 		}
 		if (i->index == btv->input) {
 			__u32 dstatus = btread(BT848_DSTATUS);
@@ -2168,7 +2168,7 @@ static int bttv_s_fmt(struct bttv_fh *fh, struct bttv *btv,
 		if (0 != retval)
 			return retval;
 		if (locked_btres(fh->btv, RESOURCE_VBI))
-                        return -EBUSY;
+			return -EBUSY;
 		bttv_vbi_try_fmt(fh,f);
 		bttv_vbi_setlines(fh,btv,f->fmt.vbi.count[0]);
 		bttv_vbi_get_fmt(fh,f);
@@ -2206,9 +2206,9 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 		bttv_reinit_bt848(btv);
 
 	switch (cmd) {
-        case VIDIOCSFREQ:
-        case VIDIOCSTUNER:
-        case VIDIOCSCHAN:
+	case VIDIOCSFREQ:
+	case VIDIOCSTUNER:
+	case VIDIOCSCHAN:
 	case VIDIOC_S_CTRL:
 	case VIDIOC_S_STD:
 	case VIDIOC_S_INPUT:
@@ -2224,10 +2224,10 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 	/* ***  v4l1  *** ************************************************ */
 	case VIDIOCGCAP:
 	{
-                struct video_capability *cap = arg;
+		struct video_capability *cap = arg;
 
 		memset(cap,0,sizeof(*cap));
-                strcpy(cap->name,btv->video_dev->name);
+		strcpy(cap->name,btv->video_dev->name);
 		if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 			/* vbi */
 			cap->type = VID_TYPE_TUNER|VID_TYPE_TELETEXT;
@@ -2247,7 +2247,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 		}
 		cap->channels  = bttv_tvcards[btv->c.type].video_inputs;
 		cap->audios    = bttv_tvcards[btv->c.type].audio_inputs;
-                return 0;
+		return 0;
 	}
 
 	case VIDIOCGPICT:
@@ -2296,7 +2296,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 		bt848_hue(btv,pic->hue);
 		bt848_sat(btv,pic->colour);
 		up(&fh->cap.lock);
-                return 0;
+		return 0;
 	}
 
 	case VIDIOCGWIN:
@@ -2357,8 +2357,8 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 		unsigned long end;
 
 		if(!capable(CAP_SYS_ADMIN) &&
-                   !capable(CAP_SYS_RAWIO))
-                        return -EPERM;
+		   !capable(CAP_SYS_RAWIO))
+			return -EPERM;
 		end = (unsigned long)fbuf->base +
 			fbuf->height * fbuf->bytesperline;
 		down(&fh->cap.lock);
@@ -2432,7 +2432,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 		}
 
 		/* switch over */
-	        retval = bttv_switch_overlay(btv,fh,new);
+		retval = bttv_switch_overlay(btv,fh,new);
 		up(&fh->cap.lock);
 		return retval;
 	}
@@ -2571,13 +2571,13 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 		return 0;
 	}
 
-        case BTTV_VERSION:
-        case VIDIOCGFREQ:
-        case VIDIOCSFREQ:
-        case VIDIOCGTUNER:
-        case VIDIOCSTUNER:
-        case VIDIOCGCHAN:
-        case VIDIOCSCHAN:
+	case BTTV_VERSION:
+	case VIDIOCGFREQ:
+	case VIDIOCSFREQ:
+	case VIDIOCGTUNER:
+	case VIDIOCSTUNER:
+	case VIDIOCGCHAN:
+	case VIDIOCSCHAN:
 	case VIDIOCGAUDIO:
 	case VIDIOCSAUDIO:
 		return bttv_common_ioctls(btv,cmd,arg);
@@ -2589,8 +2589,8 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 
 		if (0 == v4l2)
 			return -EINVAL;
-                strcpy(cap->driver,"bttv");
-                strlcpy(cap->card,btv->video_dev->name,sizeof(cap->card));
+		strcpy(cap->driver,"bttv");
+		strlcpy(cap->card,btv->video_dev->name,sizeof(cap->card));
 		sprintf(cap->bus_info,"PCI:%s",pci_name(btv->c.pci));
 		cap->version = BTTV_VERSION_CODE;
 		cap->capabilities =
@@ -3097,7 +3097,7 @@ static struct video_device bttv_video_template =
 {
 	.name     = "UNSET",
 	.type     = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
-	            VID_TYPE_CLIPPING|VID_TYPE_SCALES,
+		    VID_TYPE_CLIPPING|VID_TYPE_SCALES,
 	.hardware = VID_HARDWARE_BT848,
 	.fops     = &bttv_fops,
 	.minor    = -1,
@@ -3143,7 +3143,7 @@ static int radio_open(struct inode *inode, struct file *file)
 	audio_mux(btv,AUDIO_RADIO);
 
 	up(&btv->lock);
-        return 0;
+	return 0;
 }
 
 static int radio_release(struct inode *inode, struct file *file)
@@ -3166,34 +3166,34 @@ static int radio_do_ioctl(struct inode *inode, struct file *file,
 	switch (cmd) {
 	case VIDIOCGCAP:
 	{
-                struct video_capability *cap = arg;
+		struct video_capability *cap = arg;
 
 		memset(cap,0,sizeof(*cap));
-                strcpy(cap->name,btv->radio_dev->name);
-                cap->type = VID_TYPE_TUNER;
+		strcpy(cap->name,btv->radio_dev->name);
+		cap->type = VID_TYPE_TUNER;
 		cap->channels = 1;
 		cap->audios = 1;
-                return 0;
+		return 0;
 	}
 
-        case VIDIOCGTUNER:
-        {
-                struct video_tuner *v = arg;
+	case VIDIOCGTUNER:
+	{
+		struct video_tuner *v = arg;
 
-                if(v->tuner)
-                        return -EINVAL;
+		if(v->tuner)
+			return -EINVAL;
 		memset(v,0,sizeof(*v));
-                strcpy(v->name, "Radio");
-                bttv_call_i2c_clients(btv,cmd,v);
-                return 0;
-        }
-        case VIDIOCSTUNER:
+		strcpy(v->name, "Radio");
+		bttv_call_i2c_clients(btv,cmd,v);
+		return 0;
+	}
+	case VIDIOCSTUNER:
 		/* nothing to do */
 		return 0;
 
 	case BTTV_VERSION:
-        case VIDIOCGFREQ:
-        case VIDIOCSFREQ:
+	case VIDIOCGFREQ:
+	case VIDIOCSFREQ:
 	case VIDIOCGAUDIO:
 	case VIDIOCSAUDIO:
 		return bttv_common_ioctls(btv,cmd,arg);
@@ -3699,7 +3699,7 @@ static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs)
 		}
 
 		if (astat&BT848_INT_VSYNC)
-                        btv->field_count++;
+			btv->field_count++;
 
 		if (astat & BT848_INT_GPINT) {
 			wake_up(&btv->gpioq);
@@ -3711,13 +3711,13 @@ static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs)
 			wake_up(&btv->i2c_queue);
 		}
 
-                if ((astat & BT848_INT_RISCI)  &&  (stat & (4<<28)))
+		if ((astat & BT848_INT_RISCI)  &&  (stat & (4<<28)))
 			bttv_irq_switch_vbi(btv);
 
-                if ((astat & BT848_INT_RISCI)  &&  (stat & (2<<28)))
+		if ((astat & BT848_INT_RISCI)  &&  (stat & (2<<28)))
 			bttv_irq_wakeup_top(btv);
 
-                if ((astat & BT848_INT_RISCI)  &&  (stat & (1<<28)))
+		if ((astat & BT848_INT_RISCI)  &&  (stat & (1<<28)))
 			bttv_irq_switch_video(btv);
 
 		if ((astat & BT848_INT_HLOCK)  &&  btv->opt_automute)
@@ -3744,7 +3744,7 @@ static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs)
 		if (count > 4) {
 
 			if (count > 8 || !(astat & BT848_INT_GPINT)) {
-	 			btwrite(0, BT848_INT_MASK);
+				btwrite(0, BT848_INT_MASK);
 
 				printk(KERN_ERR
 					   "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr);
@@ -3826,7 +3826,7 @@ static int __devinit bttv_register_video(struct bttv *btv)
 
 	/* video */
 	btv->video_dev = vdev_init(btv, &bttv_video_template, "video");
-        if (NULL == btv->video_dev)
+	if (NULL == btv->video_dev)
 		goto err;
 	if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0)
 		goto err;
@@ -3836,18 +3836,18 @@ static int __devinit bttv_register_video(struct bttv *btv)
 
 	/* vbi */
 	btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi");
-        if (NULL == btv->vbi_dev)
+	if (NULL == btv->vbi_dev)
 		goto err;
-        if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0)
+	if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0)
 		goto err;
 	printk(KERN_INFO "bttv%d: registered device vbi%d\n",
 	       btv->c.nr,btv->vbi_dev->minor & 0x1f);
 
-        if (!btv->has_radio)
+	if (!btv->has_radio)
 		return 0;
 	/* radio */
 	btv->radio_dev = vdev_init(btv, &radio_template, "radio");
-        if (NULL == btv->radio_dev)
+	if (NULL == btv->radio_dev)
 		goto err;
 	if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0)
 		goto err;
@@ -3868,11 +3868,11 @@ static int __devinit bttv_register_video(struct bttv *btv)
 static void pci_set_command(struct pci_dev *dev)
 {
 #if defined(__powerpc__)
-        unsigned int cmd;
+	unsigned int cmd;
 
-        pci_read_config_dword(dev, PCI_COMMAND, &cmd);
-        cmd = (cmd | PCI_COMMAND_MEMORY );
-        pci_write_config_dword(dev, PCI_COMMAND, cmd);
+	pci_read_config_dword(dev, PCI_COMMAND, &cmd);
+	cmd = (cmd | PCI_COMMAND_MEMORY );
+	pci_write_config_dword(dev, PCI_COMMAND, cmd);
 #endif
 }
 
@@ -3886,21 +3886,21 @@ static int __devinit bttv_probe(struct pci_dev *dev,
 	if (bttv_num == BTTV_MAX)
 		return -ENOMEM;
 	printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num);
-        btv=&bttvs[bttv_num];
+	btv=&bttvs[bttv_num];
 	memset(btv,0,sizeof(*btv));
 	btv->c.nr  = bttv_num;
 	sprintf(btv->c.name,"bttv%d",btv->c.nr);
 
 	/* initialize structs / fill in defaults */
-        init_MUTEX(&btv->lock);
-        init_MUTEX(&btv->reslock);
-        spin_lock_init(&btv->s_lock);
-        spin_lock_init(&btv->gpio_lock);
-        init_waitqueue_head(&btv->gpioq);
-        init_waitqueue_head(&btv->i2c_queue);
-        INIT_LIST_HEAD(&btv->c.subs);
-        INIT_LIST_HEAD(&btv->capture);
-        INIT_LIST_HEAD(&btv->vcapture);
+	init_MUTEX(&btv->lock);
+	init_MUTEX(&btv->reslock);
+	spin_lock_init(&btv->s_lock);
+	spin_lock_init(&btv->gpio_lock);
+	init_waitqueue_head(&btv->gpioq);
+	init_waitqueue_head(&btv->i2c_queue);
+	INIT_LIST_HEAD(&btv->c.subs);
+	INIT_LIST_HEAD(&btv->capture);
+	INIT_LIST_HEAD(&btv->vcapture);
 	v4l2_prio_init(&btv->prio);
 
 	init_timer(&btv->timeout);
@@ -3921,27 +3921,27 @@ static int __devinit bttv_probe(struct pci_dev *dev,
 		       btv->c.nr);
 		return -EIO;
 	}
-        if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
-                printk(KERN_WARNING "bttv%d: No suitable DMA available.\n",
+	if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
+		printk(KERN_WARNING "bttv%d: No suitable DMA available.\n",
 		       btv->c.nr);
 		return -EIO;
-        }
+	}
 	if (!request_mem_region(pci_resource_start(dev,0),
 				pci_resource_len(dev,0),
 				btv->c.name)) {
-                printk(KERN_WARNING "bttv%d: can't request iomem (0x%lx).\n",
+		printk(KERN_WARNING "bttv%d: can't request iomem (0x%lx).\n",
 		       btv->c.nr, pci_resource_start(dev,0));
 		return -EBUSY;
 	}
-        pci_set_master(dev);
+	pci_set_master(dev);
 	pci_set_command(dev);
 	pci_set_drvdata(dev,btv);
 
-        pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision);
-        pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
-        printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ",
-               bttv_num,btv->id, btv->revision, pci_name(dev));
-        printk("irq: %d, latency: %d, mmio: 0x%lx\n",
+	pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision);
+	pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
+	printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ",
+	       bttv_num,btv->id, btv->revision, pci_name(dev));
+	printk("irq: %d, latency: %d, mmio: 0x%lx\n",
 	       btv->c.pci->irq, lat, pci_resource_start(dev,0));
 	schedule();
 
@@ -3952,23 +3952,23 @@ static int __devinit bttv_probe(struct pci_dev *dev,
 		goto fail1;
 	}
 
-        /* identify card */
+	/* identify card */
 	bttv_idcard(btv);
 
-        /* disable irqs, register irq handler */
+	/* disable irqs, register irq handler */
 	btwrite(0, BT848_INT_MASK);
-        result = request_irq(btv->c.pci->irq, bttv_irq,
-                             SA_SHIRQ | SA_INTERRUPT,btv->c.name,(void *)btv);
-        if (result < 0) {
-                printk(KERN_ERR "bttv%d: can't get IRQ %d\n",
+	result = request_irq(btv->c.pci->irq, bttv_irq,
+			     SA_SHIRQ | SA_INTERRUPT,btv->c.name,(void *)btv);
+	if (result < 0) {
+		printk(KERN_ERR "bttv%d: can't get IRQ %d\n",
 		       bttv_num,btv->c.pci->irq);
 		goto fail1;
-        }
+	}
 
 	if (0 != bttv_handle_chipset(btv)) {
 		result = -EIO;
 		goto fail2;
-        }
+	}
 
 	/* init options from insmod args */
 	btv->opt_combfilter = combfilter;
@@ -3994,29 +3994,29 @@ static int __devinit bttv_probe(struct pci_dev *dev,
 	btv->input = 0;
 
 	/* initialize hardware */
-        if (bttv_gpio)
-                bttv_gpio_tracking(btv,"pre-init");
+	if (bttv_gpio)
+		bttv_gpio_tracking(btv,"pre-init");
 
 	bttv_risc_init_main(btv);
 	init_bt848(btv);
 
 	/* gpio */
-        btwrite(0x00, BT848_GPIO_REG_INP);
-        btwrite(0x00, BT848_GPIO_OUT_EN);
-        if (bttv_verbose)
-                bttv_gpio_tracking(btv,"init");
+	btwrite(0x00, BT848_GPIO_REG_INP);
+	btwrite(0x00, BT848_GPIO_OUT_EN);
+	if (bttv_verbose)
+		bttv_gpio_tracking(btv,"init");
 
-        /* needs to be done before i2c is registered */
-        bttv_init_card1(btv);
+	/* needs to be done before i2c is registered */
+	bttv_init_card1(btv);
 
-        /* register i2c + gpio */
-        init_bttv_i2c(btv);
+	/* register i2c + gpio */
+	init_bttv_i2c(btv);
 
-        /* some card-specific stuff (needs working i2c) */
-        bttv_init_card2(btv);
+	/* some card-specific stuff (needs working i2c) */
+	bttv_init_card2(btv);
 	init_irqreg(btv);
 
-        /* register video4linux + input */
+	/* register video4linux + input */
 	if (!bttv_tvcards[btv->c.type].no_video) {
 		bttv_register_video(btv);
 		bt848_bright(btv,32768);
@@ -4035,10 +4035,10 @@ static int __devinit bttv_probe(struct pci_dev *dev,
 
 	/* everything is fine */
 	bttv_num++;
-        return 0;
+	return 0;
 
  fail2:
-        free_irq(btv->c.pci->irq,btv);
+	free_irq(btv->c.pci->irq,btv);
 
  fail1:
 	if (btv->bt848_mmio)
@@ -4051,12 +4051,12 @@ static int __devinit bttv_probe(struct pci_dev *dev,
 
 static void __devexit bttv_remove(struct pci_dev *pci_dev)
 {
-        struct bttv *btv = pci_get_drvdata(pci_dev);
+	struct bttv *btv = pci_get_drvdata(pci_dev);
 
 	if (bttv_verbose)
 		printk("bttv%d: unloading\n",btv->c.nr);
 
-        /* shutdown everything (DMA+IRQs) */
+	/* shutdown everything (DMA+IRQs) */
 	btand(~15, BT848_GPIO_DMA_CTL);
 	btwrite(0, BT848_INT_MASK);
 	btwrite(~0x0, BT848_INT_STAT);
@@ -4069,7 +4069,7 @@ static void __devexit bttv_remove(struct pci_dev *pci_dev)
 	wake_up(&btv->gpioq);
 	bttv_sub_del_devices(&btv->c);
 
-        /* unregister i2c_bus + input */
+	/* unregister i2c_bus + input */
 	fini_bttv_i2c(btv);
 
 	/* unregister video4linux */
@@ -4079,18 +4079,18 @@ static void __devexit bttv_remove(struct pci_dev *pci_dev)
 	btcx_riscmem_free(btv->c.pci,&btv->main);
 
 	/* free ressources */
-        free_irq(btv->c.pci->irq,btv);
+	free_irq(btv->c.pci->irq,btv);
 	iounmap(btv->bt848_mmio);
-        release_mem_region(pci_resource_start(btv->c.pci,0),
-                           pci_resource_len(btv->c.pci,0));
+	release_mem_region(pci_resource_start(btv->c.pci,0),
+			   pci_resource_len(btv->c.pci,0));
 
 	pci_set_drvdata(pci_dev, NULL);
-        return;
+	return;
 }
 
 static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state)
 {
-        struct bttv *btv = pci_get_drvdata(pci_dev);
+	struct bttv *btv = pci_get_drvdata(pci_dev);
 	struct bttv_buffer_set idle;
 	unsigned long flags;
 
@@ -4125,7 +4125,7 @@ static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state)
 
 static int bttv_resume(struct pci_dev *pci_dev)
 {
-        struct bttv *btv = pci_get_drvdata(pci_dev);
+	struct bttv *btv = pci_get_drvdata(pci_dev);
 	unsigned long flags;
 	int err;
 
@@ -4170,24 +4170,24 @@ static int bttv_resume(struct pci_dev *pci_dev)
 }
 
 static struct pci_device_id bttv_pci_tbl[] = {
-        {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848,
-         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848,
+	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849,
-         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878,
-         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879,
-         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-        {0,}
+	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{0,}
 };
 
 MODULE_DEVICE_TABLE(pci, bttv_pci_tbl);
 
 static struct pci_driver bttv_pci_driver = {
-        .name     = "bttv",
-        .id_table = bttv_pci_tbl,
-        .probe    = bttv_probe,
-        .remove   = __devexit_p(bttv_remove),
+	.name     = "bttv",
+	.id_table = bttv_pci_tbl,
+	.probe    = bttv_probe,
+	.remove   = __devexit_p(bttv_remove),
 	.suspend  = bttv_suspend,
 	.resume   = bttv_resume,
 };