[media] move the remaining USB drivers to drivers/media/usb

Move the 3 remaining usb drivers to their proper space.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 1380 deletions

diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
deleted file mode 100644
index 86a0fc56c330..000000000000
--- a/drivers/media/video/stk-webcam.c
+++ /dev/null
@@ -1,1380 +0,0 @@
-/*
- * stk-webcam.c : Driver for Syntek 1125 USB webcam controller
- *
- * Copyright (C) 2006 Nicolas VIVIEN
- * Copyright 2007-2008 Jaime Velasco Juan <jsagarribay@gmail.com>
- *
- * Some parts are inspired from cafe_ccic.c
- * Copyright 2006-2007 Jonathan Corbet
- *
- * 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
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-
-#include <linux/usb.h>
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
-
-#include "stk-webcam.h"
-
-
-static bool hflip;
-module_param(hflip, bool, 0444);
-MODULE_PARM_DESC(hflip, "Horizontal image flip (mirror). Defaults to 0");
-
-static bool vflip;
-module_param(vflip, bool, 0444);
-MODULE_PARM_DESC(vflip, "Vertical image flip. Defaults to 0");
-
-static int debug;
-module_param(debug, int, 0444);
-MODULE_PARM_DESC(debug, "Debug v4l ioctls. Defaults to 0");
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Jaime Velasco Juan <jsagarribay@gmail.com> and Nicolas VIVIEN");
-MODULE_DESCRIPTION("Syntek DC1125 webcam driver");
-
-
-/* bool for webcam LED management */
-int first_init = 1;
-
-/* Some cameras have audio interfaces, we aren't interested in those */
-static struct usb_device_id stkwebcam_table[] = {
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x174f, 0xa311, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x05e1, 0x0501, 0xff, 0xff, 0xff) },
-	{ }
-};
-MODULE_DEVICE_TABLE(usb, stkwebcam_table);
-
-/*
- * Basic stuff
- */
-int stk_camera_write_reg(struct stk_camera *dev, u16 index, u8 value)
-{
-	struct usb_device *udev = dev->udev;
-	int ret;
-
-	ret =  usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
-			0x01,
-			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			value,
-			index,
-			NULL,
-			0,
-			500);
-	if (ret < 0)
-		return ret;
-	else
-		return 0;
-}
-
-int stk_camera_read_reg(struct stk_camera *dev, u16 index, int *value)
-{
-	struct usb_device *udev = dev->udev;
-	int ret;
-
-	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
-			0x00,
-			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			0x00,
-			index,
-			(u8 *) value,
-			sizeof(u8),
-			500);
-	if (ret < 0)
-		return ret;
-	else
-		return 0;
-}
-
-static int stk_start_stream(struct stk_camera *dev)
-{
-	int value;
-	int i, ret;
-	int value_116, value_117;
-
-	if (!is_present(dev))
-		return -ENODEV;
-	if (!is_memallocd(dev) || !is_initialised(dev)) {
-		STK_ERROR("FIXME: Buffers are not allocated\n");
-		return -EFAULT;
-	}
-	ret = usb_set_interface(dev->udev, 0, 5);
-
-	if (ret < 0)
-		STK_ERROR("usb_set_interface failed !\n");
-	if (stk_sensor_wakeup(dev))
-		STK_ERROR("error awaking the sensor\n");
-
-	stk_camera_read_reg(dev, 0x0116, &value_116);
-	stk_camera_read_reg(dev, 0x0117, &value_117);
-
-	stk_camera_write_reg(dev, 0x0116, 0x0000);
-	stk_camera_write_reg(dev, 0x0117, 0x0000);
-
-	stk_camera_read_reg(dev, 0x0100, &value);
-	stk_camera_write_reg(dev, 0x0100, value | 0x80);
-
-	stk_camera_write_reg(dev, 0x0116, value_116);
-	stk_camera_write_reg(dev, 0x0117, value_117);
-	for (i = 0; i < MAX_ISO_BUFS; i++) {
-		if (dev->isobufs[i].urb) {
-			ret = usb_submit_urb(dev->isobufs[i].urb, GFP_KERNEL);
-			atomic_inc(&dev->urbs_used);
-			if (ret)
-				return ret;
-		}
-	}
-	set_streaming(dev);
-	return 0;
-}
-
-static int stk_stop_stream(struct stk_camera *dev)
-{
-	int value;
-	int i;
-	if (is_present(dev)) {
-		stk_camera_read_reg(dev, 0x0100, &value);
-		stk_camera_write_reg(dev, 0x0100, value & ~0x80);
-		if (dev->isobufs != NULL) {
-			for (i = 0; i < MAX_ISO_BUFS; i++) {
-				if (dev->isobufs[i].urb)
-					usb_kill_urb(dev->isobufs[i].urb);
-			}
-		}
-		unset_streaming(dev);
-
-		if (usb_set_interface(dev->udev, 0, 0))
-			STK_ERROR("usb_set_interface failed !\n");
-		if (stk_sensor_sleep(dev))
-			STK_ERROR("error suspending the sensor\n");
-	}
-	return 0;
-}
-
-/*
- * This seems to be the shortest init sequence we
- * must do in order to find the sensor
- * Bit 5 of reg. 0x0000 here is important, when reset to 0 the sensor
- * is also reset. Maybe powers down it?
- * Rest of values don't make a difference
- */
-
-static struct regval stk1125_initvals[] = {
-	/*TODO: What means this sequence? */
-	{0x0000, 0x24},
-	{0x0100, 0x21},
-	{0x0002, 0x68},
-	{0x0003, 0x80},
-	{0x0005, 0x00},
-	{0x0007, 0x03},
-	{0x000d, 0x00},
-	{0x000f, 0x02},
-	{0x0300, 0x12},
-	{0x0350, 0x41},
-	{0x0351, 0x00},
-	{0x0352, 0x00},
-	{0x0353, 0x00},
-	{0x0018, 0x10},
-	{0x0019, 0x00},
-	{0x001b, 0x0e},
-	{0x001c, 0x46},
-	{0x0300, 0x80},
-	{0x001a, 0x04},
-	{0x0110, 0x00},
-	{0x0111, 0x00},
-	{0x0112, 0x00},
-	{0x0113, 0x00},
-
-	{0xffff, 0xff},
-};
-
-
-static int stk_initialise(struct stk_camera *dev)
-{
-	struct regval *rv;
-	int ret;
-	if (!is_present(dev))
-		return -ENODEV;
-	if (is_initialised(dev))
-		return 0;
-	rv = stk1125_initvals;
-	while (rv->reg != 0xffff) {
-		ret = stk_camera_write_reg(dev, rv->reg, rv->val);
-		if (ret)
-			return ret;
-		rv++;
-	}
-	if (stk_sensor_init(dev) == 0) {
-		set_initialised(dev);
-		return 0;
-	} else
-		return -1;
-}
-
-/* *********************************************** */
-/*
- * This function is called as an URB transfert is complete (Isochronous pipe).
- * So, the traitement is done in interrupt time, so it has be fast, not crash,
- * and not stall. Neat.
- */
-static void stk_isoc_handler(struct urb *urb)
-{
-	int i;
-	int ret;
-	int framelen;
-	unsigned long flags;
-
-	unsigned char *fill = NULL;
-	unsigned char *iso_buf = NULL;
-
-	struct stk_camera *dev;
-	struct stk_sio_buffer *fb;
-
-	dev = (struct stk_camera *) urb->context;
-
-	if (dev == NULL) {
-		STK_ERROR("isoc_handler called with NULL device !\n");
-		return;
-	}
-
-	if (urb->status == -ENOENT || urb->status == -ECONNRESET
-		|| urb->status == -ESHUTDOWN) {
-		atomic_dec(&dev->urbs_used);
-		return;
-	}
-
-	spin_lock_irqsave(&dev->spinlock, flags);
-
-	if (urb->status != -EINPROGRESS && urb->status != 0) {
-		STK_ERROR("isoc_handler: urb->status == %d\n", urb->status);
-		goto resubmit;
-	}
-
-	if (list_empty(&dev->sio_avail)) {
-		/*FIXME Stop streaming after a while */
-		(void) (printk_ratelimit() &&
-		STK_ERROR("isoc_handler without available buffer!\n"));
-		goto resubmit;
-	}
-	fb = list_first_entry(&dev->sio_avail,
-			struct stk_sio_buffer, list);
-	fill = fb->buffer + fb->v4lbuf.bytesused;
-
-	for (i = 0; i < urb->number_of_packets; i++) {
-		if (urb->iso_frame_desc[i].status != 0) {
-			if (urb->iso_frame_desc[i].status != -EXDEV)
-				STK_ERROR("Frame %d has error %d\n", i,
-					urb->iso_frame_desc[i].status);
-			continue;
-		}
-		framelen = urb->iso_frame_desc[i].actual_length;
-		iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
-
-		if (framelen <= 4)
-			continue; /* no data */
-
-		/*
-		 * we found something informational from there
-		 * the isoc frames have to type of headers
-		 * type1: 00 xx 00 00 or 20 xx 00 00
-		 * type2: 80 xx 00 00 00 00 00 00 or a0 xx 00 00 00 00 00 00
-		 * xx is a sequencer which has never been seen over 0x3f
-		 * imho data written down looks like bayer, i see similarities
-		 * after every 640 bytes
-		 */
-		if (*iso_buf & 0x80) {
-			framelen -= 8;
-			iso_buf += 8;
-			/* This marks a new frame */
-			if (fb->v4lbuf.bytesused != 0
-				&& fb->v4lbuf.bytesused != dev->frame_size) {
-				(void) (printk_ratelimit() &&
-				STK_ERROR("frame %d, "
-					"bytesused=%d, skipping\n",
-					i, fb->v4lbuf.bytesused));
-				fb->v4lbuf.bytesused = 0;
-				fill = fb->buffer;
-			} else if (fb->v4lbuf.bytesused == dev->frame_size) {
-				if (list_is_singular(&dev->sio_avail)) {
-					/* Always reuse the last buffer */
-					fb->v4lbuf.bytesused = 0;
-					fill = fb->buffer;
-				} else {
-					list_move_tail(dev->sio_avail.next,
-						&dev->sio_full);
-					wake_up(&dev->wait_frame);
-					fb = list_first_entry(&dev->sio_avail,
-						struct stk_sio_buffer, list);
-					fb->v4lbuf.bytesused = 0;
-					fill = fb->buffer;
-				}
-			}
-		} else {
-			framelen -= 4;
-			iso_buf += 4;
-		}
-
-		/* Our buffer is full !!! */
-		if (framelen + fb->v4lbuf.bytesused > dev->frame_size) {
-			(void) (printk_ratelimit() &&
-			STK_ERROR("Frame buffer overflow, lost sync\n"));
-			/*FIXME Do something here? */
-			continue;
-		}
-		spin_unlock_irqrestore(&dev->spinlock, flags);
-		memcpy(fill, iso_buf, framelen);
-		spin_lock_irqsave(&dev->spinlock, flags);
-		fill += framelen;
-
-		/* New size of our buffer */
-		fb->v4lbuf.bytesused += framelen;
-	}
-
-resubmit:
-	spin_unlock_irqrestore(&dev->spinlock, flags);
-	urb->dev = dev->udev;
-	ret = usb_submit_urb(urb, GFP_ATOMIC);
-	if (ret != 0) {
-		STK_ERROR("Error (%d) re-submitting urb in stk_isoc_handler.\n",
-			ret);
-	}
-}
-
-/* -------------------------------------------- */
-
-static int stk_prepare_iso(struct stk_camera *dev)
-{
-	void *kbuf;
-	int i, j;
-	struct urb *urb;
-	struct usb_device *udev;
-
-	if (dev == NULL)
-		return -ENXIO;
-	udev = dev->udev;
-
-	if (dev->isobufs)
-		STK_ERROR("isobufs already allocated. Bad\n");
-	else
-		dev->isobufs = kcalloc(MAX_ISO_BUFS, sizeof(*dev->isobufs),
-				       GFP_KERNEL);
-	if (dev->isobufs == NULL) {
-		STK_ERROR("Unable to allocate iso buffers\n");
-		return -ENOMEM;
-	}
-	for (i = 0; i < MAX_ISO_BUFS; i++) {
-		if (dev->isobufs[i].data == NULL) {
-			kbuf = kzalloc(ISO_BUFFER_SIZE, GFP_KERNEL);
-			if (kbuf == NULL) {
-				STK_ERROR("Failed to allocate iso buffer %d\n",
-					i);
-				goto isobufs_out;
-			}
-			dev->isobufs[i].data = kbuf;
-		} else
-			STK_ERROR("isobuf data already allocated\n");
-		if (dev->isobufs[i].urb == NULL) {
-			urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL);
-			if (urb == NULL) {
-				STK_ERROR("Failed to allocate URB %d\n", i);
-				goto isobufs_out;
-			}
-			dev->isobufs[i].urb = urb;
-		} else {
-			STK_ERROR("Killing URB\n");
-			usb_kill_urb(dev->isobufs[i].urb);
-			urb = dev->isobufs[i].urb;
-		}
-		urb->interval = 1;
-		urb->dev = udev;
-		urb->pipe = usb_rcvisocpipe(udev, dev->isoc_ep);
-		urb->transfer_flags = URB_ISO_ASAP;
-		urb->transfer_buffer = dev->isobufs[i].data;
-		urb->transfer_buffer_length = ISO_BUFFER_SIZE;
-		urb->complete = stk_isoc_handler;
-		urb->context = dev;
-		urb->start_frame = 0;
-		urb->number_of_packets = ISO_FRAMES_PER_DESC;
-
-		for (j = 0; j < ISO_FRAMES_PER_DESC; j++) {
-			urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE;
-			urb->iso_frame_desc[j].length = ISO_MAX_FRAME_SIZE;
-		}
-	}
-	set_memallocd(dev);
-	return 0;
-
-isobufs_out:
-	for (i = 0; i < MAX_ISO_BUFS && dev->isobufs[i].data; i++)
-		kfree(dev->isobufs[i].data);
-	for (i = 0; i < MAX_ISO_BUFS && dev->isobufs[i].urb; i++)
-		usb_free_urb(dev->isobufs[i].urb);
-	kfree(dev->isobufs);
-	dev->isobufs = NULL;
-	return -ENOMEM;
-}
-
-static void stk_clean_iso(struct stk_camera *dev)
-{
-	int i;
-
-	if (dev == NULL || dev->isobufs == NULL)
-		return;
-
-	for (i = 0; i < MAX_ISO_BUFS; i++) {
-		struct urb *urb;
-
-		urb = dev->isobufs[i].urb;
-		if (urb) {
-			if (atomic_read(&dev->urbs_used) && is_present(dev))
-				usb_kill_urb(urb);
-			usb_free_urb(urb);
-		}
-		kfree(dev->isobufs[i].data);
-	}
-	kfree(dev->isobufs);
-	dev->isobufs = NULL;
-	unset_memallocd(dev);
-}
-
-static int stk_setup_siobuf(struct stk_camera *dev, int index)
-{
-	struct stk_sio_buffer *buf = dev->sio_bufs + index;
-	INIT_LIST_HEAD(&buf->list);
-	buf->v4lbuf.length = PAGE_ALIGN(dev->frame_size);
-	buf->buffer = vmalloc_user(buf->v4lbuf.length);
-	if (buf->buffer == NULL)
-		return -ENOMEM;
-	buf->mapcount = 0;
-	buf->dev = dev;
-	buf->v4lbuf.index = index;
-	buf->v4lbuf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	buf->v4lbuf.field = V4L2_FIELD_NONE;
-	buf->v4lbuf.memory = V4L2_MEMORY_MMAP;
-	buf->v4lbuf.m.offset = 2*index*buf->v4lbuf.length;
-	return 0;
-}
-
-static int stk_free_sio_buffers(struct stk_camera *dev)
-{
-	int i;
-	int nbufs;
-	unsigned long flags;
-	if (dev->n_sbufs == 0 || dev->sio_bufs == NULL)
-		return 0;
-	/*
-	* If any buffers are mapped, we cannot free them at all.
-	*/
-	for (i = 0; i < dev->n_sbufs; i++) {
-		if (dev->sio_bufs[i].mapcount > 0)
-			return -EBUSY;
-	}
-	/*
-	* OK, let's do it.
-	*/
-	spin_lock_irqsave(&dev->spinlock, flags);
-	INIT_LIST_HEAD(&dev->sio_avail);
-	INIT_LIST_HEAD(&dev->sio_full);
-	nbufs = dev->n_sbufs;
-	dev->n_sbufs = 0;
-	spin_unlock_irqrestore(&dev->spinlock, flags);
-	for (i = 0; i < nbufs; i++) {
-		if (dev->sio_bufs[i].buffer != NULL)
-			vfree(dev->sio_bufs[i].buffer);
-	}
-	kfree(dev->sio_bufs);
-	dev->sio_bufs = NULL;
-	return 0;
-}
-
-static int stk_prepare_sio_buffers(struct stk_camera *dev, unsigned n_sbufs)
-{
-	int i;
-	if (dev->sio_bufs != NULL)
-		STK_ERROR("sio_bufs already allocated\n");
-	else {
-		dev->sio_bufs = kzalloc(n_sbufs * sizeof(struct stk_sio_buffer),
-				GFP_KERNEL);
-		if (dev->sio_bufs == NULL)
-			return -ENOMEM;
-		for (i = 0; i < n_sbufs; i++) {
-			if (stk_setup_siobuf(dev, i))
-				return (dev->n_sbufs > 1 ? 0 : -ENOMEM);
-			dev->n_sbufs = i+1;
-		}
-	}
-	return 0;
-}
-
-static int stk_allocate_buffers(struct stk_camera *dev, unsigned n_sbufs)
-{
-	int err;
-	err = stk_prepare_iso(dev);
-	if (err) {
-		stk_clean_iso(dev);
-		return err;
-	}
-	err = stk_prepare_sio_buffers(dev, n_sbufs);
-	if (err) {
-		stk_free_sio_buffers(dev);
-		return err;
-	}
-	return 0;
-}
-
-static void stk_free_buffers(struct stk_camera *dev)
-{
-	stk_clean_iso(dev);
-	stk_free_sio_buffers(dev);
-}
-/* -------------------------------------------- */
-
-/* v4l file operations */
-
-static int v4l_stk_open(struct file *fp)
-{
-	struct stk_camera *dev;
-	struct video_device *vdev;
-
-	vdev = video_devdata(fp);
-	dev = vdev_to_camera(vdev);
-
-	if (dev == NULL || !is_present(dev))
-		return -ENXIO;
-
-	if (!first_init)
-		stk_camera_write_reg(dev, 0x0, 0x24);
-	else
-		first_init = 0;
-
-	fp->private_data = dev;
-	usb_autopm_get_interface(dev->interface);
-
-	return 0;
-}
-
-static int v4l_stk_release(struct file *fp)
-{
-	struct stk_camera *dev = fp->private_data;
-
-	if (dev->owner == fp) {
-		stk_stop_stream(dev);
-		stk_free_buffers(dev);
-		stk_camera_write_reg(dev, 0x0, 0x49); /* turn off the LED */
-		unset_initialised(dev);
-		dev->owner = NULL;
-	}
-
-	if (is_present(dev))
-		usb_autopm_put_interface(dev->interface);
-
-	return 0;
-}
-
-static ssize_t v4l_stk_read(struct file *fp, char __user *buf,
-		size_t count, loff_t *f_pos)
-{
-	int i;
-	int ret;
-	unsigned long flags;
-	struct stk_sio_buffer *sbuf;
-	struct stk_camera *dev = fp->private_data;
-
-	if (!is_present(dev))
-		return -EIO;
-	if (dev->owner && dev->owner != fp)
-		return -EBUSY;
-	dev->owner = fp;
-	if (!is_streaming(dev)) {
-		if (stk_initialise(dev)
-			|| stk_allocate_buffers(dev, 3)
-			|| stk_start_stream(dev))
-			return -ENOMEM;
-		spin_lock_irqsave(&dev->spinlock, flags);
-		for (i = 0; i < dev->n_sbufs; i++) {
-			list_add_tail(&dev->sio_bufs[i].list, &dev->sio_avail);
-			dev->sio_bufs[i].v4lbuf.flags = V4L2_BUF_FLAG_QUEUED;
-		}
-		spin_unlock_irqrestore(&dev->spinlock, flags);
-	}
-	if (*f_pos == 0) {
-		if (fp->f_flags & O_NONBLOCK && list_empty(&dev->sio_full))
-			return -EWOULDBLOCK;
-		ret = wait_event_interruptible(dev->wait_frame,
-			!list_empty(&dev->sio_full) || !is_present(dev));
-		if (ret)
-			return ret;
-		if (!is_present(dev))
-			return -EIO;
-	}
-	if (count + *f_pos > dev->frame_size)
-		count = dev->frame_size - *f_pos;
-	spin_lock_irqsave(&dev->spinlock, flags);
-	if (list_empty(&dev->sio_full)) {
-		spin_unlock_irqrestore(&dev->spinlock, flags);
-		STK_ERROR("BUG: No siobufs ready\n");
-		return 0;
-	}
-	sbuf = list_first_entry(&dev->sio_full, struct stk_sio_buffer, list);
-	spin_unlock_irqrestore(&dev->spinlock, flags);
-
-	if (copy_to_user(buf, sbuf->buffer + *f_pos, count))
-		return -EFAULT;
-
-	*f_pos += count;
-
-	if (*f_pos >= dev->frame_size) {
-		*f_pos = 0;
-		spin_lock_irqsave(&dev->spinlock, flags);
-		list_move_tail(&sbuf->list, &dev->sio_avail);
-		spin_unlock_irqrestore(&dev->spinlock, flags);
-	}
-	return count;
-}
-
-static unsigned int v4l_stk_poll(struct file *fp, poll_table *wait)
-{
-	struct stk_camera *dev = fp->private_data;
-
-	poll_wait(fp, &dev->wait_frame, wait);
-
-	if (!is_present(dev))
-		return POLLERR;
-
-	if (!list_empty(&dev->sio_full))
-		return POLLIN | POLLRDNORM;
-
-	return 0;
-}
-
-
-static void stk_v4l_vm_open(struct vm_area_struct *vma)
-{
-	struct stk_sio_buffer *sbuf = vma->vm_private_data;
-	sbuf->mapcount++;
-}
-static void stk_v4l_vm_close(struct vm_area_struct *vma)
-{
-	struct stk_sio_buffer *sbuf = vma->vm_private_data;
-	sbuf->mapcount--;
-	if (sbuf->mapcount == 0)
-		sbuf->v4lbuf.flags &= ~V4L2_BUF_FLAG_MAPPED;
-}
-static const struct vm_operations_struct stk_v4l_vm_ops = {
-	.open = stk_v4l_vm_open,
-	.close = stk_v4l_vm_close
-};
-
-static int v4l_stk_mmap(struct file *fp, struct vm_area_struct *vma)
-{
-	unsigned int i;
-	int ret;
-	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
-	struct stk_camera *dev = fp->private_data;
-	struct stk_sio_buffer *sbuf = NULL;
-
-	if (!(vma->vm_flags & VM_WRITE) || !(vma->vm_flags & VM_SHARED))
-		return -EINVAL;
-
-	for (i = 0; i < dev->n_sbufs; i++) {
-		if (dev->sio_bufs[i].v4lbuf.m.offset == offset) {
-			sbuf = dev->sio_bufs + i;
-			break;
-		}
-	}
-	if (sbuf == NULL)
-		return -EINVAL;
-	ret = remap_vmalloc_range(vma, sbuf->buffer, 0);
-	if (ret)
-		return ret;
-	vma->vm_flags |= VM_DONTEXPAND;
-	vma->vm_private_data = sbuf;
-	vma->vm_ops = &stk_v4l_vm_ops;
-	sbuf->v4lbuf.flags |= V4L2_BUF_FLAG_MAPPED;
-	stk_v4l_vm_open(vma);
-	return 0;
-}
-
-/* v4l ioctl handlers */
-
-static int stk_vidioc_querycap(struct file *filp,
-		void *priv, struct v4l2_capability *cap)
-{
-	strcpy(cap->driver, "stk");
-	strcpy(cap->card, "stk");
-	cap->version = DRIVER_VERSION_NUM;
-
-	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE
-		| V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
-	return 0;
-}
-
-static int stk_vidioc_enum_input(struct file *filp,
-		void *priv, struct v4l2_input *input)
-{
-	if (input->index != 0)
-		return -EINVAL;
-
-	strcpy(input->name, "Syntek USB Camera");
-	input->type = V4L2_INPUT_TYPE_CAMERA;
-	return 0;
-}
-
-
-static int stk_vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
-{
-	*i = 0;
-	return 0;
-}
-
-static int stk_vidioc_s_input(struct file *filp, void *priv, unsigned int i)
-{
-	if (i != 0)
-		return -EINVAL;
-	else
-		return 0;
-}
-
-/* from vivi.c */
-static int stk_vidioc_s_std(struct file *filp, void *priv, v4l2_std_id *a)
-{
-	return 0;
-}
-
-/* List of all V4Lv2 controls supported by the driver */
-static struct v4l2_queryctrl stk_controls[] = {
-	{
-		.id      = V4L2_CID_BRIGHTNESS,
-		.type    = V4L2_CTRL_TYPE_INTEGER,
-		.name    = "Brightness",
-		.minimum = 0,
-		.maximum = 0xffff,
-		.step    = 0x0100,
-		.default_value = 0x6000,
-	},
-	{
-		.id      = V4L2_CID_HFLIP,
-		.type    = V4L2_CTRL_TYPE_BOOLEAN,
-		.name    = "Horizontal Flip",
-		.minimum = 0,
-		.maximum = 1,
-		.step    = 1,
-		.default_value = 1,
-	},
-	{
-		.id      = V4L2_CID_VFLIP,
-		.type    = V4L2_CTRL_TYPE_BOOLEAN,
-		.name    = "Vertical Flip",
-		.minimum = 0,
-		.maximum = 1,
-		.step    = 1,
-		.default_value = 1,
-	},
-};
-
-static int stk_vidioc_queryctrl(struct file *filp,
-		void *priv, struct v4l2_queryctrl *c)
-{
-	int i;
-	int nbr;
-	nbr = ARRAY_SIZE(stk_controls);
-
-	for (i = 0; i < nbr; i++) {
-		if (stk_controls[i].id == c->id) {
-			memcpy(c, &stk_controls[i],
-				sizeof(struct v4l2_queryctrl));
-			return 0;
-		}
-	}
-	return -EINVAL;
-}
-
-static int stk_vidioc_g_ctrl(struct file *filp,
-		void *priv, struct v4l2_control *c)
-{
-	struct stk_camera *dev = priv;
-	switch (c->id) {
-	case V4L2_CID_BRIGHTNESS:
-		c->value = dev->vsettings.brightness;
-		break;
-	case V4L2_CID_HFLIP:
-		c->value = dev->vsettings.hflip;
-		break;
-	case V4L2_CID_VFLIP:
-		c->value = dev->vsettings.vflip;
-		break;
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static int stk_vidioc_s_ctrl(struct file *filp,
-		void *priv, struct v4l2_control *c)
-{
-	struct stk_camera *dev = priv;
-	switch (c->id) {
-	case V4L2_CID_BRIGHTNESS:
-		dev->vsettings.brightness = c->value;
-		return stk_sensor_set_brightness(dev, c->value >> 8);
-	case V4L2_CID_HFLIP:
-		dev->vsettings.hflip = c->value;
-		return 0;
-	case V4L2_CID_VFLIP:
-		dev->vsettings.vflip = c->value;
-		return 0;
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-
-static int stk_vidioc_enum_fmt_vid_cap(struct file *filp,
-		void *priv, struct v4l2_fmtdesc *fmtd)
-{
-	switch (fmtd->index) {
-	case 0:
-		fmtd->pixelformat = V4L2_PIX_FMT_RGB565;
-		strcpy(fmtd->description, "r5g6b5");
-		break;
-	case 1:
-		fmtd->pixelformat = V4L2_PIX_FMT_RGB565X;
-		strcpy(fmtd->description, "r5g6b5BE");
-		break;
-	case 2:
-		fmtd->pixelformat = V4L2_PIX_FMT_UYVY;
-		strcpy(fmtd->description, "yuv4:2:2");
-		break;
-	case 3:
-		fmtd->pixelformat = V4L2_PIX_FMT_SBGGR8;
-		strcpy(fmtd->description, "Raw bayer");
-		break;
-	case 4:
-		fmtd->pixelformat = V4L2_PIX_FMT_YUYV;
-		strcpy(fmtd->description, "yuv4:2:2");
-		break;
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static struct stk_size {
-	unsigned w;
-	unsigned h;
-	enum stk_mode m;
-} stk_sizes[] = {
-	{ .w = 1280, .h = 1024, .m = MODE_SXGA, },
-	{ .w = 640,  .h = 480,  .m = MODE_VGA,  },
-	{ .w = 352,  .h = 288,  .m = MODE_CIF,  },
-	{ .w = 320,  .h = 240,  .m = MODE_QVGA, },
-	{ .w = 176,  .h = 144,  .m = MODE_QCIF, },
-};
-
-static int stk_vidioc_g_fmt_vid_cap(struct file *filp,
-		void *priv, struct v4l2_format *f)
-{
-	struct v4l2_pix_format *pix_format = &f->fmt.pix;
-	struct stk_camera *dev = priv;
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(stk_sizes) &&
-			stk_sizes[i].m != dev->vsettings.mode; i++)
-		;
-	if (i == ARRAY_SIZE(stk_sizes)) {
-		STK_ERROR("ERROR: mode invalid\n");
-		return -EINVAL;
-	}
-	pix_format->width = stk_sizes[i].w;
-	pix_format->height = stk_sizes[i].h;
-	pix_format->field = V4L2_FIELD_NONE;
-	pix_format->colorspace = V4L2_COLORSPACE_SRGB;
-	pix_format->pixelformat = dev->vsettings.palette;
-	if (dev->vsettings.palette == V4L2_PIX_FMT_SBGGR8)
-		pix_format->bytesperline = pix_format->width;
-	else
-		pix_format->bytesperline = 2 * pix_format->width;
-	pix_format->sizeimage = pix_format->bytesperline
-				* pix_format->height;
-	return 0;
-}
-
-static int stk_vidioc_try_fmt_vid_cap(struct file *filp,
-		void *priv, struct v4l2_format *fmtd)
-{
-	int i;
-	switch (fmtd->fmt.pix.pixelformat) {
-	case V4L2_PIX_FMT_RGB565:
-	case V4L2_PIX_FMT_RGB565X:
-	case V4L2_PIX_FMT_UYVY:
-	case V4L2_PIX_FMT_YUYV:
-	case V4L2_PIX_FMT_SBGGR8:
-		break;
-	default:
-		return -EINVAL;
-	}
-	for (i = 1; i < ARRAY_SIZE(stk_sizes); i++) {
-		if (fmtd->fmt.pix.width > stk_sizes[i].w)
-			break;
-	}
-	if (i == ARRAY_SIZE(stk_sizes)
-		|| (abs(fmtd->fmt.pix.width - stk_sizes[i-1].w)
-			< abs(fmtd->fmt.pix.width - stk_sizes[i].w))) {
-		fmtd->fmt.pix.height = stk_sizes[i-1].h;
-		fmtd->fmt.pix.width = stk_sizes[i-1].w;
-		fmtd->fmt.pix.priv = i - 1;
-	} else {
-		fmtd->fmt.pix.height = stk_sizes[i].h;
-		fmtd->fmt.pix.width = stk_sizes[i].w;
-		fmtd->fmt.pix.priv = i;
-	}
-
-	fmtd->fmt.pix.field = V4L2_FIELD_NONE;
-	fmtd->fmt.pix.colorspace = V4L2_COLORSPACE_SRGB;
-	if (fmtd->fmt.pix.pixelformat == V4L2_PIX_FMT_SBGGR8)
-		fmtd->fmt.pix.bytesperline = fmtd->fmt.pix.width;
-	else
-		fmtd->fmt.pix.bytesperline = 2 * fmtd->fmt.pix.width;
-	fmtd->fmt.pix.sizeimage = fmtd->fmt.pix.bytesperline
-		* fmtd->fmt.pix.height;
-	return 0;
-}
-
-static int stk_setup_format(struct stk_camera *dev)
-{
-	int i = 0;
-	int depth;
-	if (dev->vsettings.palette == V4L2_PIX_FMT_SBGGR8)
-		depth = 1;
-	else
-		depth = 2;
-	while (i < ARRAY_SIZE(stk_sizes) &&
-			stk_sizes[i].m != dev->vsettings.mode)
-		i++;
-	if (i == ARRAY_SIZE(stk_sizes)) {
-		STK_ERROR("Something is broken in %s\n", __func__);
-		return -EFAULT;
-	}
-	/* This registers controls some timings, not sure of what. */
-	stk_camera_write_reg(dev, 0x001b, 0x0e);
-	if (dev->vsettings.mode == MODE_SXGA)
-		stk_camera_write_reg(dev, 0x001c, 0x0e);
-	else
-		stk_camera_write_reg(dev, 0x001c, 0x46);
-	/*
-	 * Registers 0x0115 0x0114 are the size of each line (bytes),
-	 * regs 0x0117 0x0116 are the heigth of the image.
-	 */
-	stk_camera_write_reg(dev, 0x0115,
-		((stk_sizes[i].w * depth) >> 8) & 0xff);
-	stk_camera_write_reg(dev, 0x0114,
-		(stk_sizes[i].w * depth) & 0xff);
-	stk_camera_write_reg(dev, 0x0117,
-		(stk_sizes[i].h >> 8) & 0xff);
-	stk_camera_write_reg(dev, 0x0116,
-		stk_sizes[i].h & 0xff);
-	return stk_sensor_configure(dev);
-}
-
-static int stk_vidioc_s_fmt_vid_cap(struct file *filp,
-		void *priv, struct v4l2_format *fmtd)
-{
-	int ret;
-	struct stk_camera *dev = priv;
-
-	if (dev == NULL)
-		return -ENODEV;
-	if (!is_present(dev))
-		return -ENODEV;
-	if (is_streaming(dev))
-		return -EBUSY;
-	if (dev->owner && dev->owner != filp)
-		return -EBUSY;
-	ret = stk_vidioc_try_fmt_vid_cap(filp, priv, fmtd);
-	if (ret)
-		return ret;
-	dev->owner = filp;
-
-	dev->vsettings.palette = fmtd->fmt.pix.pixelformat;
-	stk_free_buffers(dev);
-	dev->frame_size = fmtd->fmt.pix.sizeimage;
-	dev->vsettings.mode = stk_sizes[fmtd->fmt.pix.priv].m;
-
-	stk_initialise(dev);
-	return stk_setup_format(dev);
-}
-
-static int stk_vidioc_reqbufs(struct file *filp,
-		void *priv, struct v4l2_requestbuffers *rb)
-{
-	struct stk_camera *dev = priv;
-
-	if (dev == NULL)
-		return -ENODEV;
-	if (rb->memory != V4L2_MEMORY_MMAP)
-		return -EINVAL;
-	if (is_streaming(dev)
-		|| (dev->owner && dev->owner != filp))
-		return -EBUSY;
-	dev->owner = filp;
-
-	/*FIXME If they ask for zero, we must stop streaming and free */
-	if (rb->count < 3)
-		rb->count = 3;
-	/* Arbitrary limit */
-	else if (rb->count > 5)
-		rb->count = 5;
-
-	stk_allocate_buffers(dev, rb->count);
-	rb->count = dev->n_sbufs;
-	return 0;
-}
-
-static int stk_vidioc_querybuf(struct file *filp,
-		void *priv, struct v4l2_buffer *buf)
-{
-	struct stk_camera *dev = priv;
-	struct stk_sio_buffer *sbuf;
-
-	if (buf->index >= dev->n_sbufs)
-		return -EINVAL;
-	sbuf = dev->sio_bufs + buf->index;
-	*buf = sbuf->v4lbuf;
-	return 0;
-}
-
-static int stk_vidioc_qbuf(struct file *filp,
-		void *priv, struct v4l2_buffer *buf)
-{
-	struct stk_camera *dev = priv;
-	struct stk_sio_buffer *sbuf;
-	unsigned long flags;
-
-	if (buf->memory != V4L2_MEMORY_MMAP)
-		return -EINVAL;
-
-	if (buf->index >= dev->n_sbufs)
-		return -EINVAL;
-	sbuf = dev->sio_bufs + buf->index;
-	if (sbuf->v4lbuf.flags & V4L2_BUF_FLAG_QUEUED)
-		return 0;
-	sbuf->v4lbuf.flags |= V4L2_BUF_FLAG_QUEUED;
-	sbuf->v4lbuf.flags &= ~V4L2_BUF_FLAG_DONE;
-	spin_lock_irqsave(&dev->spinlock, flags);
-	list_add_tail(&sbuf->list, &dev->sio_avail);
-	*buf = sbuf->v4lbuf;
-	spin_unlock_irqrestore(&dev->spinlock, flags);
-	return 0;
-}
-
-static int stk_vidioc_dqbuf(struct file *filp,
-		void *priv, struct v4l2_buffer *buf)
-{
-	struct stk_camera *dev = priv;
-	struct stk_sio_buffer *sbuf;
-	unsigned long flags;
-	int ret;
-
-	if (!is_streaming(dev))
-		return -EINVAL;
-
-	if (filp->f_flags & O_NONBLOCK && list_empty(&dev->sio_full))
-		return -EWOULDBLOCK;
-	ret = wait_event_interruptible(dev->wait_frame,
-		!list_empty(&dev->sio_full) || !is_present(dev));
-	if (ret)
-		return ret;
-	if (!is_present(dev))
-		return -EIO;
-
-	spin_lock_irqsave(&dev->spinlock, flags);
-	sbuf = list_first_entry(&dev->sio_full, struct stk_sio_buffer, list);
-	list_del_init(&sbuf->list);
-	spin_unlock_irqrestore(&dev->spinlock, flags);
-	sbuf->v4lbuf.flags &= ~V4L2_BUF_FLAG_QUEUED;
-	sbuf->v4lbuf.flags |= V4L2_BUF_FLAG_DONE;
-	sbuf->v4lbuf.sequence = ++dev->sequence;
-	do_gettimeofday(&sbuf->v4lbuf.timestamp);
-
-	*buf = sbuf->v4lbuf;
-	return 0;
-}
-
-static int stk_vidioc_streamon(struct file *filp,
-		void *priv, enum v4l2_buf_type type)
-{
-	struct stk_camera *dev = priv;
-	if (is_streaming(dev))
-		return 0;
-	if (dev->sio_bufs == NULL)
-		return -EINVAL;
-	dev->sequence = 0;
-	return stk_start_stream(dev);
-}
-
-static int stk_vidioc_streamoff(struct file *filp,
-		void *priv, enum v4l2_buf_type type)
-{
-	struct stk_camera *dev = priv;
-	unsigned long flags;
-	int i;
-	stk_stop_stream(dev);
-	spin_lock_irqsave(&dev->spinlock, flags);
-	INIT_LIST_HEAD(&dev->sio_avail);
-	INIT_LIST_HEAD(&dev->sio_full);
-	for (i = 0; i < dev->n_sbufs; i++) {
-		INIT_LIST_HEAD(&dev->sio_bufs[i].list);
-		dev->sio_bufs[i].v4lbuf.flags = 0;
-	}
-	spin_unlock_irqrestore(&dev->spinlock, flags);
-	return 0;
-}
-
-
-static int stk_vidioc_g_parm(struct file *filp,
-		void *priv, struct v4l2_streamparm *sp)
-{
-	/*FIXME This is not correct */
-	sp->parm.capture.timeperframe.numerator = 1;
-	sp->parm.capture.timeperframe.denominator = 30;
-	sp->parm.capture.readbuffers = 2;
-	return 0;
-}
-
-static int stk_vidioc_enum_framesizes(struct file *filp,
-		void *priv, struct v4l2_frmsizeenum *frms)
-{
-	if (frms->index >= ARRAY_SIZE(stk_sizes))
-		return -EINVAL;
-	switch (frms->pixel_format) {
-	case V4L2_PIX_FMT_RGB565:
-	case V4L2_PIX_FMT_RGB565X:
-	case V4L2_PIX_FMT_UYVY:
-	case V4L2_PIX_FMT_YUYV:
-	case V4L2_PIX_FMT_SBGGR8:
-		frms->type = V4L2_FRMSIZE_TYPE_DISCRETE;
-		frms->discrete.width = stk_sizes[frms->index].w;
-		frms->discrete.height = stk_sizes[frms->index].h;
-		return 0;
-	default: return -EINVAL;
-	}
-}
-
-static struct v4l2_file_operations v4l_stk_fops = {
-	.owner = THIS_MODULE,
-	.open = v4l_stk_open,
-	.release = v4l_stk_release,
-	.read = v4l_stk_read,
-	.poll = v4l_stk_poll,
-	.mmap = v4l_stk_mmap,
-	.ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops v4l_stk_ioctl_ops = {
-	.vidioc_querycap = stk_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = stk_vidioc_enum_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = stk_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = stk_vidioc_s_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = stk_vidioc_g_fmt_vid_cap,
-	.vidioc_enum_input = stk_vidioc_enum_input,
-	.vidioc_s_input = stk_vidioc_s_input,
-	.vidioc_g_input = stk_vidioc_g_input,
-	.vidioc_s_std = stk_vidioc_s_std,
-	.vidioc_reqbufs = stk_vidioc_reqbufs,
-	.vidioc_querybuf = stk_vidioc_querybuf,
-	.vidioc_qbuf = stk_vidioc_qbuf,
-	.vidioc_dqbuf = stk_vidioc_dqbuf,
-	.vidioc_streamon = stk_vidioc_streamon,
-	.vidioc_streamoff = stk_vidioc_streamoff,
-	.vidioc_queryctrl = stk_vidioc_queryctrl,
-	.vidioc_g_ctrl = stk_vidioc_g_ctrl,
-	.vidioc_s_ctrl = stk_vidioc_s_ctrl,
-	.vidioc_g_parm = stk_vidioc_g_parm,
-	.vidioc_enum_framesizes = stk_vidioc_enum_framesizes,
-};
-
-static void stk_v4l_dev_release(struct video_device *vd)
-{
-	struct stk_camera *dev = vdev_to_camera(vd);
-
-	if (dev->sio_bufs != NULL || dev->isobufs != NULL)
-		STK_ERROR("We are leaking memory\n");
-	usb_put_intf(dev->interface);
-	kfree(dev);
-}
-
-static struct video_device stk_v4l_data = {
-	.name = "stkwebcam",
-	.tvnorms = V4L2_STD_UNKNOWN,
-	.current_norm = V4L2_STD_UNKNOWN,
-	.fops = &v4l_stk_fops,
-	.ioctl_ops = &v4l_stk_ioctl_ops,
-	.release = stk_v4l_dev_release,
-};
-
-
-static int stk_register_video_device(struct stk_camera *dev)
-{
-	int err;
-
-	dev->vdev = stk_v4l_data;
-	dev->vdev.debug = debug;
-	dev->vdev.parent = &dev->interface->dev;
-	err = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1);
-	if (err)
-		STK_ERROR("v4l registration failed\n");
-	else
-		STK_INFO("Syntek USB2.0 Camera is now controlling device %s\n",
-			 video_device_node_name(&dev->vdev));
-	return err;
-}
-
-
-/* USB Stuff */
-
-static int stk_camera_probe(struct usb_interface *interface,
-		const struct usb_device_id *id)
-{
-	int i;
-	int err = 0;
-
-	struct stk_camera *dev = NULL;
-	struct usb_device *udev = interface_to_usbdev(interface);
-	struct usb_host_interface *iface_desc;
-	struct usb_endpoint_descriptor *endpoint;
-
-	dev = kzalloc(sizeof(struct stk_camera), GFP_KERNEL);
-	if (dev == NULL) {
-		STK_ERROR("Out of memory !\n");
-		return -ENOMEM;
-	}
-
-	spin_lock_init(&dev->spinlock);
-	init_waitqueue_head(&dev->wait_frame);
-
-	dev->udev = udev;
-	dev->interface = interface;
-	usb_get_intf(interface);
-
-	dev->vsettings.vflip = vflip;
-	dev->vsettings.hflip = hflip;
-	dev->n_sbufs = 0;
-	set_present(dev);
-
-	/* Set up the endpoint information
-	 * use only the first isoc-in endpoint
-	 * for the current alternate setting */
-	iface_desc = interface->cur_altsetting;
-
-	for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
-		endpoint = &iface_desc->endpoint[i].desc;
-
-		if (!dev->isoc_ep
-			&& usb_endpoint_is_isoc_in(endpoint)) {
-			/* we found an isoc in endpoint */
-			dev->isoc_ep = usb_endpoint_num(endpoint);
-			break;
-		}
-	}
-	if (!dev->isoc_ep) {
-		STK_ERROR("Could not find isoc-in endpoint");
-		err = -ENODEV;
-		goto error;
-	}
-	dev->vsettings.brightness = 0x7fff;
-	dev->vsettings.palette = V4L2_PIX_FMT_RGB565;
-	dev->vsettings.mode = MODE_VGA;
-	dev->frame_size = 640 * 480 * 2;
-
-	INIT_LIST_HEAD(&dev->sio_avail);
-	INIT_LIST_HEAD(&dev->sio_full);
-
-	usb_set_intfdata(interface, dev);
-
-	err = stk_register_video_device(dev);
-	if (err)
-		goto error;
-
-	return 0;
-
-error:
-	kfree(dev);
-	return err;
-}
-
-static void stk_camera_disconnect(struct usb_interface *interface)
-{
-	struct stk_camera *dev = usb_get_intfdata(interface);
-
-	usb_set_intfdata(interface, NULL);
-	unset_present(dev);
-
-	wake_up_interruptible(&dev->wait_frame);
-
-	STK_INFO("Syntek USB2.0 Camera release resources device %s\n",
-		 video_device_node_name(&dev->vdev));
-
-	video_unregister_device(&dev->vdev);
-}
-
-#ifdef CONFIG_PM
-static int stk_camera_suspend(struct usb_interface *intf, pm_message_t message)
-{
-	struct stk_camera *dev = usb_get_intfdata(intf);
-	if (is_streaming(dev)) {
-		stk_stop_stream(dev);
-		/* yes, this is ugly */
-		set_streaming(dev);
-	}
-	return 0;
-}
-
-static int stk_camera_resume(struct usb_interface *intf)
-{
-	struct stk_camera *dev = usb_get_intfdata(intf);
-	if (!is_initialised(dev))
-		return 0;
-	unset_initialised(dev);
-	stk_initialise(dev);
-	stk_camera_write_reg(dev, 0x0, 0x49);
-	stk_setup_format(dev);
-	if (is_streaming(dev))
-		stk_start_stream(dev);
-	return 0;
-}
-#endif
-
-static struct usb_driver stk_camera_driver = {
-	.name = "stkwebcam",
-	.probe = stk_camera_probe,
-	.disconnect = stk_camera_disconnect,
-	.id_table = stkwebcam_table,
-#ifdef CONFIG_PM
-	.suspend = stk_camera_suspend,
-	.resume = stk_camera_resume,
-#endif
-};
-
-module_usb_driver(stk_camera_driver);