[media] rename most media/video usb drivers to media/usb

Rename all USB drivers with their own directory under
drivers/media/video into drivers/media/usb and update the
building system.

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

1 files changed, 0 insertions, 2670 deletions

diff --git a/drivers/media/video/cx231xx/cx231xx-video.c b/drivers/media/video/cx231xx/cx231xx-video.c
deleted file mode 100644
index 790b28d7f76..00000000000
--- a/drivers/media/video/cx231xx/cx231xx-video.c
+++ /dev/null
@@ -1,2670 +0,0 @@
-/*
-   cx231xx-video.c - driver for Conexant Cx23100/101/102
-		     USB video capture devices
-
-   Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
-	Based on em28xx driver
-	Based on cx23885 driver
-	Based on cx88 driver
-
-   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
-   (at your option) 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/bitmap.h>
-#include <linux/usb.h>
-#include <linux/i2c.h>
-#include <linux/mm.h>
-#include <linux/mutex.h>
-#include <linux/slab.h>
-
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-chip-ident.h>
-#include <media/msp3400.h>
-#include <media/tuner.h>
-
-#include "dvb_frontend.h"
-
-#include "cx231xx.h"
-#include "cx231xx-vbi.h"
-
-#define CX231XX_VERSION "0.0.2"
-
-#define DRIVER_AUTHOR   "Srinivasa Deevi <srinivasa.deevi@conexant.com>"
-#define DRIVER_DESC     "Conexant cx231xx based USB video device driver"
-
-#define cx231xx_videodbg(fmt, arg...) do {\
-	if (video_debug) \
-		printk(KERN_INFO "%s %s :"fmt, \
-			 dev->name, __func__ , ##arg); } while (0)
-
-static unsigned int isoc_debug;
-module_param(isoc_debug, int, 0644);
-MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
-
-#define cx231xx_isocdbg(fmt, arg...) \
-do {\
-	if (isoc_debug) { \
-		printk(KERN_INFO "%s %s :"fmt, \
-			 dev->name, __func__ , ##arg); \
-	} \
-  } while (0)
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
-MODULE_VERSION(CX231XX_VERSION);
-
-static unsigned int card[]     = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
-static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
-static unsigned int vbi_nr[]   = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
-static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
-
-module_param_array(card, int, NULL, 0444);
-module_param_array(video_nr, int, NULL, 0444);
-module_param_array(vbi_nr, int, NULL, 0444);
-module_param_array(radio_nr, int, NULL, 0444);
-
-MODULE_PARM_DESC(card, "card type");
-MODULE_PARM_DESC(video_nr, "video device numbers");
-MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
-MODULE_PARM_DESC(radio_nr, "radio device numbers");
-
-static unsigned int video_debug;
-module_param(video_debug, int, 0644);
-MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
-
-/* supported video standards */
-static struct cx231xx_fmt format[] = {
-	{
-	 .name = "16bpp YUY2, 4:2:2, packed",
-	 .fourcc = V4L2_PIX_FMT_YUYV,
-	 .depth = 16,
-	 .reg = 0,
-	 },
-};
-
-/* supported controls */
-/* Common to all boards */
-
-/* ------------------------------------------------------------------- */
-
-static const struct v4l2_queryctrl no_ctl = {
-	.name = "42",
-	.flags = V4L2_CTRL_FLAG_DISABLED,
-};
-
-static struct cx231xx_ctrl cx231xx_ctls[] = {
-	/* --- video --- */
-	{
-		.v = {
-			.id = V4L2_CID_BRIGHTNESS,
-			.name = "Brightness",
-			.minimum = 0x00,
-			.maximum = 0xff,
-			.step = 1,
-			.default_value = 0x7f,
-			.type = V4L2_CTRL_TYPE_INTEGER,
-		},
-		.off = 128,
-		.reg = LUMA_CTRL,
-		.mask = 0x00ff,
-		.shift = 0,
-	}, {
-		.v = {
-			.id = V4L2_CID_CONTRAST,
-			.name = "Contrast",
-			.minimum = 0,
-			.maximum = 0xff,
-			.step = 1,
-			.default_value = 0x3f,
-			.type = V4L2_CTRL_TYPE_INTEGER,
-		},
-		.off = 0,
-		.reg = LUMA_CTRL,
-		.mask = 0xff00,
-		.shift = 8,
-	}, {
-		.v = {
-			.id = V4L2_CID_HUE,
-			.name = "Hue",
-			.minimum = 0,
-			.maximum = 0xff,
-			.step = 1,
-			.default_value = 0x7f,
-			.type = V4L2_CTRL_TYPE_INTEGER,
-		},
-		.off = 128,
-		.reg = CHROMA_CTRL,
-		.mask = 0xff0000,
-		.shift = 16,
-	}, {
-	/* strictly, this only describes only U saturation.
-	* V saturation is handled specially through code.
-	*/
-		.v = {
-			.id = V4L2_CID_SATURATION,
-			.name = "Saturation",
-			.minimum = 0,
-			.maximum = 0xff,
-			.step = 1,
-			.default_value = 0x7f,
-			.type = V4L2_CTRL_TYPE_INTEGER,
-		},
-		.off = 0,
-		.reg = CHROMA_CTRL,
-		.mask = 0x00ff,
-		.shift = 0,
-	}, {
-		/* --- audio --- */
-		.v = {
-			.id = V4L2_CID_AUDIO_MUTE,
-			.name = "Mute",
-			.minimum = 0,
-			.maximum = 1,
-			.default_value = 1,
-			.type = V4L2_CTRL_TYPE_BOOLEAN,
-		},
-		.reg = PATH1_CTL1,
-		.mask = (0x1f << 24),
-		.shift = 24,
-	}, {
-		.v = {
-			.id = V4L2_CID_AUDIO_VOLUME,
-			.name = "Volume",
-			.minimum = 0,
-			.maximum = 0x3f,
-			.step = 1,
-			.default_value = 0x3f,
-			.type = V4L2_CTRL_TYPE_INTEGER,
-		},
-		.reg = PATH1_VOL_CTL,
-		.mask = 0xff,
-		.shift = 0,
-	}
-};
-static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls);
-
-static const u32 cx231xx_user_ctrls[] = {
-	V4L2_CID_USER_CLASS,
-	V4L2_CID_BRIGHTNESS,
-	V4L2_CID_CONTRAST,
-	V4L2_CID_SATURATION,
-	V4L2_CID_HUE,
-	V4L2_CID_AUDIO_VOLUME,
-#if 0
-	V4L2_CID_AUDIO_BALANCE,
-#endif
-	V4L2_CID_AUDIO_MUTE,
-	0
-};
-
-static const u32 *ctrl_classes[] = {
-	cx231xx_user_ctrls,
-	NULL
-};
-
-/* ------------------------------------------------------------------
-	Video buffer and parser functions
-   ------------------------------------------------------------------*/
-
-/*
- * Announces that a buffer were filled and request the next
- */
-static inline void buffer_filled(struct cx231xx *dev,
-				 struct cx231xx_dmaqueue *dma_q,
-				 struct cx231xx_buffer *buf)
-{
-	/* Advice that buffer was filled */
-	cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
-	buf->vb.state = VIDEOBUF_DONE;
-	buf->vb.field_count++;
-	do_gettimeofday(&buf->vb.ts);
-
-	if (dev->USE_ISO)
-		dev->video_mode.isoc_ctl.buf = NULL;
-	else
-		dev->video_mode.bulk_ctl.buf = NULL;
-
-	list_del(&buf->vb.queue);
-	wake_up(&buf->vb.done);
-}
-
-static inline void print_err_status(struct cx231xx *dev, int packet, int status)
-{
-	char *errmsg = "Unknown";
-
-	switch (status) {
-	case -ENOENT:
-		errmsg = "unlinked synchronuously";
-		break;
-	case -ECONNRESET:
-		errmsg = "unlinked asynchronuously";
-		break;
-	case -ENOSR:
-		errmsg = "Buffer error (overrun)";
-		break;
-	case -EPIPE:
-		errmsg = "Stalled (device not responding)";
-		break;
-	case -EOVERFLOW:
-		errmsg = "Babble (bad cable?)";
-		break;
-	case -EPROTO:
-		errmsg = "Bit-stuff error (bad cable?)";
-		break;
-	case -EILSEQ:
-		errmsg = "CRC/Timeout (could be anything)";
-		break;
-	case -ETIME:
-		errmsg = "Device does not respond";
-		break;
-	}
-	if (packet < 0) {
-		cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg);
-	} else {
-		cx231xx_isocdbg("URB packet %d, status %d [%s].\n",
-				packet, status, errmsg);
-	}
-}
-
-/*
- * video-buf generic routine to get the next available buffer
- */
-static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
-				struct cx231xx_buffer **buf)
-{
-	struct cx231xx_video_mode *vmode =
-	    container_of(dma_q, struct cx231xx_video_mode, vidq);
-	struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
-
-	char *outp;
-
-	if (list_empty(&dma_q->active)) {
-		cx231xx_isocdbg("No active queue to serve\n");
-		if (dev->USE_ISO)
-			dev->video_mode.isoc_ctl.buf = NULL;
-		else
-			dev->video_mode.bulk_ctl.buf = NULL;
-		*buf = NULL;
-		return;
-	}
-
-	/* Get the next buffer */
-	*buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);
-
-	/* Cleans up buffer - Useful for testing for frame/URB loss */
-	outp = videobuf_to_vmalloc(&(*buf)->vb);
-	memset(outp, 0, (*buf)->vb.size);
-
-	if (dev->USE_ISO)
-		dev->video_mode.isoc_ctl.buf = *buf;
-	else
-		dev->video_mode.bulk_ctl.buf = *buf;
-
-	return;
-}
-
-/*
- * Controls the isoc copy of each urb packet
- */
-static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
-{
-	struct cx231xx_dmaqueue *dma_q = urb->context;
-	int i, rc = 1;
-	unsigned char *p_buffer;
-	u32 bytes_parsed = 0, buffer_size = 0;
-	u8 sav_eav = 0;
-
-	if (!dev)
-		return 0;
-
-	if (dev->state & DEV_DISCONNECTED)
-		return 0;
-
-	if (urb->status < 0) {
-		print_err_status(dev, -1, urb->status);
-		if (urb->status == -ENOENT)
-			return 0;
-	}
-
-	for (i = 0; i < urb->number_of_packets; i++) {
-		int status = urb->iso_frame_desc[i].status;
-
-		if (status < 0) {
-			print_err_status(dev, i, status);
-			if (urb->iso_frame_desc[i].status != -EPROTO)
-				continue;
-		}
-
-		if (urb->iso_frame_desc[i].actual_length <= 0) {
-			/* cx231xx_isocdbg("packet %d is empty",i); - spammy */
-			continue;
-		}
-		if (urb->iso_frame_desc[i].actual_length >
-		    dev->video_mode.max_pkt_size) {
-			cx231xx_isocdbg("packet bigger than packet size");
-			continue;
-		}
-
-		/*  get buffer pointer and length */
-		p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
-		buffer_size = urb->iso_frame_desc[i].actual_length;
-		bytes_parsed = 0;
-
-		if (dma_q->is_partial_line) {
-			/* Handle the case of a partial line */
-			sav_eav = dma_q->last_sav;
-		} else {
-			/* Check for a SAV/EAV overlapping
-				the buffer boundary */
-			sav_eav =
-			    cx231xx_find_boundary_SAV_EAV(p_buffer,
-							  dma_q->partial_buf,
-							  &bytes_parsed);
-		}
-
-		sav_eav &= 0xF0;
-		/* Get the first line if we have some portion of an SAV/EAV from
-		   the last buffer or a partial line  */
-		if (sav_eav) {
-			bytes_parsed += cx231xx_get_video_line(dev, dma_q,
-				sav_eav,	/* SAV/EAV */
-				p_buffer + bytes_parsed,	/* p_buffer */
-				buffer_size - bytes_parsed);/* buf size */
-		}
-
-		/* Now parse data that is completely in this buffer */
-		/* dma_q->is_partial_line = 0;  */
-
-		while (bytes_parsed < buffer_size) {
-			u32 bytes_used = 0;
-
-			sav_eav = cx231xx_find_next_SAV_EAV(
-				p_buffer + bytes_parsed,	/* p_buffer */
-				buffer_size - bytes_parsed,	/* buf size */
-				&bytes_used);/* bytes used to get SAV/EAV */
-
-			bytes_parsed += bytes_used;
-
-			sav_eav &= 0xF0;
-			if (sav_eav && (bytes_parsed < buffer_size)) {
-				bytes_parsed += cx231xx_get_video_line(dev,
-					dma_q, sav_eav,	/* SAV/EAV */
-					p_buffer + bytes_parsed,/* p_buffer */
-					buffer_size - bytes_parsed);/*buf size*/
-			}
-		}
-
-		/* Save the last four bytes of the buffer so we can check the
-		   buffer boundary condition next time */
-		memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
-		bytes_parsed = 0;
-
-	}
-	return rc;
-}
-
-static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
-{
-	struct cx231xx_dmaqueue *dma_q = urb->context;
-	int rc = 1;
-	unsigned char *p_buffer;
-	u32 bytes_parsed = 0, buffer_size = 0;
-	u8 sav_eav = 0;
-
-	if (!dev)
-		return 0;
-
-	if (dev->state & DEV_DISCONNECTED)
-		return 0;
-
-	if (urb->status < 0) {
-		print_err_status(dev, -1, urb->status);
-		if (urb->status == -ENOENT)
-			return 0;
-	}
-
-	if (1) {
-
-		/*  get buffer pointer and length */
-		p_buffer = urb->transfer_buffer;
-		buffer_size = urb->actual_length;
-		bytes_parsed = 0;
-
-		if (dma_q->is_partial_line) {
-			/* Handle the case of a partial line */
-			sav_eav = dma_q->last_sav;
-		} else {
-			/* Check for a SAV/EAV overlapping
-				the buffer boundary */
-			sav_eav =
-			    cx231xx_find_boundary_SAV_EAV(p_buffer,
-							  dma_q->partial_buf,
-							  &bytes_parsed);
-		}
-
-		sav_eav &= 0xF0;
-		/* Get the first line if we have some portion of an SAV/EAV from
-		   the last buffer or a partial line  */
-		if (sav_eav) {
-			bytes_parsed += cx231xx_get_video_line(dev, dma_q,
-				sav_eav,	/* SAV/EAV */
-				p_buffer + bytes_parsed,	/* p_buffer */
-				buffer_size - bytes_parsed);/* buf size */
-		}
-
-		/* Now parse data that is completely in this buffer */
-		/* dma_q->is_partial_line = 0;  */
-
-		while (bytes_parsed < buffer_size) {
-			u32 bytes_used = 0;
-
-			sav_eav = cx231xx_find_next_SAV_EAV(
-				p_buffer + bytes_parsed,	/* p_buffer */
-				buffer_size - bytes_parsed,	/* buf size */
-				&bytes_used);/* bytes used to get SAV/EAV */
-
-			bytes_parsed += bytes_used;
-
-			sav_eav &= 0xF0;
-			if (sav_eav && (bytes_parsed < buffer_size)) {
-				bytes_parsed += cx231xx_get_video_line(dev,
-					dma_q, sav_eav,	/* SAV/EAV */
-					p_buffer + bytes_parsed,/* p_buffer */
-					buffer_size - bytes_parsed);/*buf size*/
-			}
-		}
-
-		/* Save the last four bytes of the buffer so we can check the
-		   buffer boundary condition next time */
-		memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
-		bytes_parsed = 0;
-
-	}
-	return rc;
-}
-
-
-u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
-				 u32 *p_bytes_used)
-{
-	u32 bytes_used;
-	u8 boundary_bytes[8];
-	u8 sav_eav = 0;
-
-	*p_bytes_used = 0;
-
-	/* Create an array of the last 4 bytes of the last buffer and the first
-	   4 bytes of the current buffer. */
-
-	memcpy(boundary_bytes, partial_buf, 4);
-	memcpy(boundary_bytes + 4, p_buffer, 4);
-
-	/* Check for the SAV/EAV in the boundary buffer */
-	sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8,
-					    &bytes_used);
-
-	if (sav_eav) {
-		/* found a boundary SAV/EAV.  Updates the bytes used to reflect
-		   only those used in the new buffer */
-		*p_bytes_used = bytes_used - 4;
-	}
-
-	return sav_eav;
-}
-
-u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used)
-{
-	u32 i;
-	u8 sav_eav = 0;
-
-	/*
-	 * Don't search if the buffer size is less than 4.  It causes a page
-	 * fault since buffer_size - 4 evaluates to a large number in that
-	 * case.
-	 */
-	if (buffer_size < 4) {
-		*p_bytes_used = buffer_size;
-		return 0;
-	}
-
-	for (i = 0; i < (buffer_size - 3); i++) {
-
-		if ((p_buffer[i] == 0xFF) &&
-		    (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) {
-
-			*p_bytes_used = i + 4;
-			sav_eav = p_buffer[i + 3];
-			return sav_eav;
-		}
-	}
-
-	*p_bytes_used = buffer_size;
-	return 0;
-}
-
-u32 cx231xx_get_video_line(struct cx231xx *dev,
-			   struct cx231xx_dmaqueue *dma_q, u8 sav_eav,
-			   u8 *p_buffer, u32 buffer_size)
-{
-	u32 bytes_copied = 0;
-	int current_field = -1;
-
-	switch (sav_eav) {
-	case SAV_ACTIVE_VIDEO_FIELD1:
-		/* looking for skipped line which occurred in PAL 720x480 mode.
-		   In this case, there will be no active data contained
-		   between the SAV and EAV */
-		if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
-		    (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
-		    ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
-		     (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
-		     (p_buffer[3] == EAV_VBLANK_FIELD1) ||
-		     (p_buffer[3] == EAV_VBLANK_FIELD2)))
-			return bytes_copied;
-		current_field = 1;
-		break;
-
-	case SAV_ACTIVE_VIDEO_FIELD2:
-		/* looking for skipped line which occurred in PAL 720x480 mode.
-		   In this case, there will be no active data contained between
-		   the SAV and EAV */
-		if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
-		    (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
-		    ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
-		     (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
-		     (p_buffer[3] == EAV_VBLANK_FIELD1)       ||
-		     (p_buffer[3] == EAV_VBLANK_FIELD2)))
-			return bytes_copied;
-		current_field = 2;
-		break;
-	}
-
-	dma_q->last_sav = sav_eav;
-
-	bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer,
-					       buffer_size, current_field);
-
-	return bytes_copied;
-}
-
-u32 cx231xx_copy_video_line(struct cx231xx *dev,
-			    struct cx231xx_dmaqueue *dma_q, u8 *p_line,
-			    u32 length, int field_number)
-{
-	u32 bytes_to_copy;
-	struct cx231xx_buffer *buf;
-	u32 _line_size = dev->width * 2;
-
-	if (dma_q->current_field != field_number)
-		cx231xx_reset_video_buffer(dev, dma_q);
-
-	/* get the buffer pointer */
-	if (dev->USE_ISO)
-		buf = dev->video_mode.isoc_ctl.buf;
-	else
-		buf = dev->video_mode.bulk_ctl.buf;
-
-	/* Remember the field number for next time */
-	dma_q->current_field = field_number;
-
-	bytes_to_copy = dma_q->bytes_left_in_line;
-	if (bytes_to_copy > length)
-		bytes_to_copy = length;
-
-	if (dma_q->lines_completed >= dma_q->lines_per_field) {
-		dma_q->bytes_left_in_line -= bytes_to_copy;
-		dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ?
-					  0 : 1;
-		return 0;
-	}
-
-	dma_q->is_partial_line = 1;
-
-	/* If we don't have a buffer, just return the number of bytes we would
-	   have copied if we had a buffer. */
-	if (!buf) {
-		dma_q->bytes_left_in_line -= bytes_to_copy;
-		dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0)
-					 ? 0 : 1;
-		return bytes_to_copy;
-	}
-
-	/* copy the data to video buffer */
-	cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy);
-
-	dma_q->pos += bytes_to_copy;
-	dma_q->bytes_left_in_line -= bytes_to_copy;
-
-	if (dma_q->bytes_left_in_line == 0) {
-		dma_q->bytes_left_in_line = _line_size;
-		dma_q->lines_completed++;
-		dma_q->is_partial_line = 0;
-
-		if (cx231xx_is_buffer_done(dev, dma_q) && buf) {
-			buffer_filled(dev, dma_q, buf);
-
-			dma_q->pos = 0;
-			buf = NULL;
-			dma_q->lines_completed = 0;
-		}
-	}
-
-	return bytes_to_copy;
-}
-
-void cx231xx_reset_video_buffer(struct cx231xx *dev,
-				struct cx231xx_dmaqueue *dma_q)
-{
-	struct cx231xx_buffer *buf;
-
-	/* handle the switch from field 1 to field 2 */
-	if (dma_q->current_field == 1) {
-		if (dma_q->lines_completed >= dma_q->lines_per_field)
-			dma_q->field1_done = 1;
-		else
-			dma_q->field1_done = 0;
-	}
-
-	if (dev->USE_ISO)
-		buf = dev->video_mode.isoc_ctl.buf;
-	else
-		buf = dev->video_mode.bulk_ctl.buf;
-
-	if (buf == NULL) {
-		/* first try to get the buffer */
-		get_next_buf(dma_q, &buf);
-
-		dma_q->pos = 0;
-		dma_q->field1_done = 0;
-		dma_q->current_field = -1;
-	}
-
-	/* reset the counters */
-	dma_q->bytes_left_in_line = dev->width << 1;
-	dma_q->lines_completed = 0;
-}
-
-int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
-		    u8 *p_buffer, u32 bytes_to_copy)
-{
-	u8 *p_out_buffer = NULL;
-	u32 current_line_bytes_copied = 0;
-	struct cx231xx_buffer *buf;
-	u32 _line_size = dev->width << 1;
-	void *startwrite;
-	int offset, lencopy;
-
-	if (dev->USE_ISO)
-		buf = dev->video_mode.isoc_ctl.buf;
-	else
-		buf = dev->video_mode.bulk_ctl.buf;
-
-	if (buf == NULL)
-		return -1;
-
-	p_out_buffer = videobuf_to_vmalloc(&buf->vb);
-
-	current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line;
-
-	/* Offset field 2 one line from the top of the buffer */
-	offset = (dma_q->current_field == 1) ? 0 : _line_size;
-
-	/* Offset for field 2 */
-	startwrite = p_out_buffer + offset;
-
-	/* lines already completed in the current field */
-	startwrite += (dma_q->lines_completed * _line_size * 2);
-
-	/* bytes already completed in the current line */
-	startwrite += current_line_bytes_copied;
-
-	lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?
-		  bytes_to_copy : dma_q->bytes_left_in_line;
-
-	if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size))
-		return 0;
-
-	/* The below copies the UYVY data straight into video buffer */
-	cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy);
-
-	return 0;
-}
-
-void cx231xx_swab(u16 *from, u16 *to, u16 len)
-{
-	u16 i;
-
-	if (len <= 0)
-		return;
-
-	for (i = 0; i < len / 2; i++)
-		to[i] = (from[i] << 8) | (from[i] >> 8);
-}
-
-u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q)
-{
-	u8 buffer_complete = 0;
-
-	/* Dual field stream */
-	buffer_complete = ((dma_q->current_field == 2) &&
-			   (dma_q->lines_completed >= dma_q->lines_per_field) &&
-			    dma_q->field1_done);
-
-	return buffer_complete;
-}
-
-/* ------------------------------------------------------------------
-	Videobuf operations
-   ------------------------------------------------------------------*/
-
-static int
-buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
-{
-	struct cx231xx_fh *fh = vq->priv_data;
-	struct cx231xx *dev = fh->dev;
-
-	*size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3;
-	if (0 == *count)
-		*count = CX231XX_DEF_BUF;
-
-	if (*count < CX231XX_MIN_BUF)
-		*count = CX231XX_MIN_BUF;
-
-	return 0;
-}
-
-/* This is called *without* dev->slock held; please keep it that way */
-static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
-{
-	struct cx231xx_fh *fh = vq->priv_data;
-	struct cx231xx *dev = fh->dev;
-	unsigned long flags = 0;
-
-	if (in_interrupt())
-		BUG();
-
-	/* We used to wait for the buffer to finish here, but this didn't work
-	   because, as we were keeping the state as VIDEOBUF_QUEUED,
-	   videobuf_queue_cancel marked it as finished for us.
-	   (Also, it could wedge forever if the hardware was misconfigured.)
-
-	   This should be safe; by the time we get here, the buffer isn't
-	   queued anymore. If we ever start marking the buffers as
-	   VIDEOBUF_ACTIVE, it won't be, though.
-	 */
-	spin_lock_irqsave(&dev->video_mode.slock, flags);
-	if (dev->USE_ISO) {
-		if (dev->video_mode.isoc_ctl.buf == buf)
-			dev->video_mode.isoc_ctl.buf = NULL;
-	} else {
-		if (dev->video_mode.bulk_ctl.buf == buf)
-			dev->video_mode.bulk_ctl.buf = NULL;
-	}
-	spin_unlock_irqrestore(&dev->video_mode.slock, flags);
-
-	videobuf_vmalloc_free(&buf->vb);
-	buf->vb.state = VIDEOBUF_NEEDS_INIT;
-}
-
-static int
-buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
-	       enum v4l2_field field)
-{
-	struct cx231xx_fh *fh = vq->priv_data;
-	struct cx231xx_buffer *buf =
-	    container_of(vb, struct cx231xx_buffer, vb);
-	struct cx231xx *dev = fh->dev;
-	int rc = 0, urb_init = 0;
-
-	/* The only currently supported format is 16 bits/pixel */
-	buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth
-			+ 7) >> 3;
-	if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
-		return -EINVAL;
-
-	buf->vb.width = dev->width;
-	buf->vb.height = dev->height;
-	buf->vb.field = field;
-
-	if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
-		rc = videobuf_iolock(vq, &buf->vb, NULL);
-		if (rc < 0)
-			goto fail;
-	}
-
-	if (dev->USE_ISO) {
-		if (!dev->video_mode.isoc_ctl.num_bufs)
-			urb_init = 1;
-	} else {
-		if (!dev->video_mode.bulk_ctl.num_bufs)
-			urb_init = 1;
-	}
-	/*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n",
-		urb_init, dev->video_mode.max_pkt_size);*/
-	if (urb_init) {
-		dev->mode_tv = 0;
-		if (dev->USE_ISO)
-			rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
-				       CX231XX_NUM_BUFS,
-				       dev->video_mode.max_pkt_size,
-				       cx231xx_isoc_copy);
-		else
-			rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
-				       CX231XX_NUM_BUFS,
-				       dev->video_mode.max_pkt_size,
-				       cx231xx_bulk_copy);
-		if (rc < 0)
-			goto fail;
-	}
-
-	buf->vb.state = VIDEOBUF_PREPARED;
-	return 0;
-
-fail:
-	free_buffer(vq, buf);
-	return rc;
-}
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx231xx_buffer *buf =
-	    container_of(vb, struct cx231xx_buffer, vb);
-	struct cx231xx_fh *fh = vq->priv_data;
-	struct cx231xx *dev = fh->dev;
-	struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
-
-	buf->vb.state = VIDEOBUF_QUEUED;
-	list_add_tail(&buf->vb.queue, &vidq->active);
-
-}
-
-static void buffer_release(struct videobuf_queue *vq,
-			   struct videobuf_buffer *vb)
-{
-	struct cx231xx_buffer *buf =
-	    container_of(vb, struct cx231xx_buffer, vb);
-	struct cx231xx_fh *fh = vq->priv_data;
-	struct cx231xx *dev = (struct cx231xx *)fh->dev;
-
-	cx231xx_isocdbg("cx231xx: called buffer_release\n");
-
-	free_buffer(vq, buf);
-}
-
-static struct videobuf_queue_ops cx231xx_video_qops = {
-	.buf_setup = buffer_setup,
-	.buf_prepare = buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = buffer_release,
-};
-
-/*********************  v4l2 interface  **************************************/
-
-void video_mux(struct cx231xx *dev, int index)
-{
-	dev->video_input = index;
-	dev->ctl_ainput = INPUT(index)->amux;
-
-	cx231xx_set_video_input_mux(dev, index);
-
-	cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0);
-
-	cx231xx_set_audio_input(dev, dev->ctl_ainput);
-
-	cx231xx_info("video_mux : %d\n", index);
-
-	/* do mode control overrides if required */
-	cx231xx_do_mode_ctrl_overrides(dev);
-}
-
-/* Usage lock check functions */
-static int res_get(struct cx231xx_fh *fh)
-{
-	struct cx231xx *dev = fh->dev;
-	int rc = 0;
-
-	/* This instance already has stream_on */
-	if (fh->stream_on)
-		return rc;
-
-	if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-		if (dev->stream_on)
-			return -EBUSY;
-		dev->stream_on = 1;
-	} else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
-		if (dev->vbi_stream_on)
-			return -EBUSY;
-		dev->vbi_stream_on = 1;
-	} else
-		return -EINVAL;
-
-	fh->stream_on = 1;
-
-	return rc;
-}
-
-static int res_check(struct cx231xx_fh *fh)
-{
-	return fh->stream_on;
-}
-
-static void res_free(struct cx231xx_fh *fh)
-{
-	struct cx231xx *dev = fh->dev;
-
-	fh->stream_on = 0;
-
-	if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		dev->stream_on = 0;
-	if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
-		dev->vbi_stream_on = 0;
-}
-
-static int check_dev(struct cx231xx *dev)
-{
-	if (dev->state & DEV_DISCONNECTED) {
-		cx231xx_errdev("v4l2 ioctl: device not present\n");
-		return -ENODEV;
-	}
-	return 0;
-}
-
-/* ------------------------------------------------------------------
-	IOCTL vidioc handling
-   ------------------------------------------------------------------*/
-
-static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-
-	f->fmt.pix.width = dev->width;
-	f->fmt.pix.height = dev->height;
-	f->fmt.pix.pixelformat = dev->format->fourcc;
-	f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
-	f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
-	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
-
-	f->fmt.pix.field = V4L2_FIELD_INTERLACED;
-
-	return 0;
-}
-
-static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
-{
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(format); i++)
-		if (format[i].fourcc == fourcc)
-			return &format[i];
-
-	return NULL;
-}
-
-static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
-				  struct v4l2_format *f)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	unsigned int width = f->fmt.pix.width;
-	unsigned int height = f->fmt.pix.height;
-	unsigned int maxw = norm_maxw(dev);
-	unsigned int maxh = norm_maxh(dev);
-	struct cx231xx_fmt *fmt;
-
-	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	if (!fmt) {
-		cx231xx_videodbg("Fourcc format (%08x) invalid.\n",
-				 f->fmt.pix.pixelformat);
-		return -EINVAL;
-	}
-
-	/* width must even because of the YUYV format
-	   height must be even because of interlacing */
-	v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
-
-	f->fmt.pix.width = width;
-	f->fmt.pix.height = height;
-	f->fmt.pix.pixelformat = fmt->fourcc;
-	f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
-	f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
-	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
-	f->fmt.pix.field = V4L2_FIELD_INTERLACED;
-
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-	struct cx231xx_fmt *fmt;
-	struct v4l2_mbus_framefmt mbus_fmt;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	vidioc_try_fmt_vid_cap(file, priv, f);
-
-	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	if (!fmt)
-		return -EINVAL;
-
-	if (videobuf_queue_is_busy(&fh->vb_vidq)) {
-		cx231xx_errdev("%s queue busy\n", __func__);
-		return -EBUSY;
-	}
-
-	if (dev->stream_on && !fh->stream_on) {
-		cx231xx_errdev("%s device in use by another fh\n", __func__);
-		return -EBUSY;
-	}
-
-	/* set new image size */
-	dev->width = f->fmt.pix.width;
-	dev->height = f->fmt.pix.height;
-	dev->format = fmt;
-
-	v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
-	call_all(dev, video, s_mbus_fmt, &mbus_fmt);
-	v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
-
-	return rc;
-}
-
-static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-
-	*id = dev->norm;
-	return 0;
-}
-
-static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	struct v4l2_mbus_framefmt mbus_fmt;
-	struct v4l2_format f;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm);
-
-	dev->norm = *norm;
-
-	/* Adjusts width/height, if needed */
-	f.fmt.pix.width = dev->width;
-	f.fmt.pix.height = dev->height;
-	vidioc_try_fmt_vid_cap(file, priv, &f);
-
-	call_all(dev, core, s_std, dev->norm);
-
-	/* We need to reset basic properties in the decoder related to
-	   resolution (since a standard change effects things like the number
-	   of lines in VACT, etc) */
-	v4l2_fill_mbus_format(&mbus_fmt, &f.fmt.pix, V4L2_MBUS_FMT_FIXED);
-	call_all(dev, video, s_mbus_fmt, &mbus_fmt);
-	v4l2_fill_pix_format(&f.fmt.pix, &mbus_fmt);
-
-	/* set new image size */
-	dev->width = f.fmt.pix.width;
-	dev->height = f.fmt.pix.height;
-
-	/* do mode control overrides */
-	cx231xx_do_mode_ctrl_overrides(dev);
-
-	return 0;
-}
-
-static const char *iname[] = {
-	[CX231XX_VMUX_COMPOSITE1] = "Composite1",
-	[CX231XX_VMUX_SVIDEO]     = "S-Video",
-	[CX231XX_VMUX_TELEVISION] = "Television",
-	[CX231XX_VMUX_CABLE]      = "Cable TV",
-	[CX231XX_VMUX_DVB]        = "DVB",
-	[CX231XX_VMUX_DEBUG]      = "for debug only",
-};
-
-static int vidioc_enum_input(struct file *file, void *priv,
-			     struct v4l2_input *i)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	u32 gen_stat;
-	unsigned int ret, n;
-
-	n = i->index;
-	if (n >= MAX_CX231XX_INPUT)
-		return -EINVAL;
-	if (0 == INPUT(n)->type)
-		return -EINVAL;
-
-	i->index = n;
-	i->type = V4L2_INPUT_TYPE_CAMERA;
-
-	strcpy(i->name, iname[INPUT(n)->type]);
-
-	if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
-	    (CX231XX_VMUX_CABLE == INPUT(n)->type))
-		i->type = V4L2_INPUT_TYPE_TUNER;
-
-	i->std = dev->vdev->tvnorms;
-
-	/* If they are asking about the active input, read signal status */
-	if (n == dev->video_input) {
-		ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
-					    GEN_STAT, 2, &gen_stat, 4);
-		if (ret > 0) {
-			if ((gen_stat & FLD_VPRES) == 0x00)
-				i->status |= V4L2_IN_ST_NO_SIGNAL;
-			if ((gen_stat & FLD_HLOCK) == 0x00)
-				i->status |= V4L2_IN_ST_NO_H_LOCK;
-		}
-	}
-
-	return 0;
-}
-
-static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-
-	*i = dev->video_input;
-
-	return 0;
-}
-
-static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	dev->mode_tv = 0;
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	if (i >= MAX_CX231XX_INPUT)
-		return -EINVAL;
-	if (0 == INPUT(i)->type)
-		return -EINVAL;
-
-	video_mux(dev, i);
-
-	if (INPUT(i)->type == CX231XX_VMUX_TELEVISION ||
-	    INPUT(i)->type == CX231XX_VMUX_CABLE) {
-		/* There's a tuner, so reset the standard and put it on the
-		   last known frequency (since it was probably powered down
-		   until now */
-		call_all(dev, core, s_std, dev->norm);
-	}
-
-	return 0;
-}
-
-static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-
-	switch (a->index) {
-	case CX231XX_AMUX_VIDEO:
-		strcpy(a->name, "Television");
-		break;
-	case CX231XX_AMUX_LINE_IN:
-		strcpy(a->name, "Line In");
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	a->index = dev->ctl_ainput;
-	a->capability = V4L2_AUDCAP_STEREO;
-
-	return 0;
-}
-
-static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int status = 0;
-
-	/* Doesn't allow manual routing */
-	if (a->index != dev->ctl_ainput)
-		return -EINVAL;
-
-	dev->ctl_ainput = INPUT(a->index)->amux;
-	status = cx231xx_set_audio_input(dev, dev->ctl_ainput);
-
-	return status;
-}
-
-static int vidioc_queryctrl(struct file *file, void *priv,
-			    struct v4l2_queryctrl *qc)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int id = qc->id;
-	int i;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	qc->id = v4l2_ctrl_next(ctrl_classes, qc->id);
-	if (unlikely(qc->id == 0))
-		return -EINVAL;
-
-	memset(qc, 0, sizeof(*qc));
-
-	qc->id = id;
-
-	if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1)
-		return -EINVAL;
-
-	for (i = 0; i < CX231XX_CTLS; i++)
-		if (cx231xx_ctls[i].v.id == qc->id)
-			break;
-
-	if (i == CX231XX_CTLS) {
-		*qc = no_ctl;
-		return 0;
-	}
-	*qc = cx231xx_ctls[i].v;
-
-	call_all(dev, core, queryctrl, qc);
-
-	if (qc->type)
-		return 0;
-	else
-		return -EINVAL;
-}
-
-static int vidioc_g_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctrl)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	call_all(dev, core, g_ctrl, ctrl);
-	return rc;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctrl)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	call_all(dev, core, s_ctrl, ctrl);
-	return rc;
-}
-
-static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	if (0 != t->index)
-		return -EINVAL;
-
-	strcpy(t->name, "Tuner");
-
-	t->type = V4L2_TUNER_ANALOG_TV;
-	t->capability = V4L2_TUNER_CAP_NORM;
-	t->rangehigh = 0xffffffffUL;
-	t->signal = 0xffff;	/* LOCKED */
-
-	return 0;
-}
-
-static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	if (0 != t->index)
-		return -EINVAL;
-#if 0
-	call_all(dev, tuner, s_tuner, t);
-#endif
-	return 0;
-}
-
-static int vidioc_g_frequency(struct file *file, void *priv,
-			      struct v4l2_frequency *f)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-
-	f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
-	f->frequency = dev->ctl_freq;
-
-	call_all(dev, tuner, g_frequency, f);
-
-	return 0;
-}
-
-static int vidioc_s_frequency(struct file *file, void *priv,
-			      struct v4l2_frequency *f)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-	u32 if_frequency = 5400000;
-
-	cx231xx_info("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
-		 f->frequency, f->type);
-	/*cx231xx_info("f->type:  1-radio 2-analogTV 3-digitalTV\n");*/
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	if (0 != f->tuner)
-		return -EINVAL;
-
-	if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
-		return -EINVAL;
-	if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
-		return -EINVAL;
-
-	/* set pre channel change settings in DIF first */
-	rc = cx231xx_tuner_pre_channel_change(dev);
-
-	dev->ctl_freq = f->frequency;
-	call_all(dev, tuner, s_frequency, f);
-
-	/* set post channel change settings in DIF first */
-	rc = cx231xx_tuner_post_channel_change(dev);
-
-	if (dev->tuner_type == TUNER_NXP_TDA18271) {
-		if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443))
-			if_frequency = 5400000;  /*5.4MHz	*/
-		else if (dev->norm & V4L2_STD_B)
-			if_frequency = 6000000;  /*6.0MHz	*/
-		else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK))
-			if_frequency = 6900000;  /*6.9MHz	*/
-		else if (dev->norm & V4L2_STD_GH)
-			if_frequency = 7100000;  /*7.1MHz	*/
-		else if (dev->norm & V4L2_STD_PAL_I)
-			if_frequency = 7250000;  /*7.25MHz	*/
-		else if (dev->norm & V4L2_STD_SECAM_L)
-			if_frequency = 6900000;  /*6.9MHz	*/
-		else if (dev->norm & V4L2_STD_SECAM_LC)
-			if_frequency = 1250000;  /*1.25MHz	*/
-
-		cx231xx_info("if_frequency is set to %d\n", if_frequency);
-		cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1);
-
-		update_HH_register_after_set_DIF(dev);
-	}
-
-	cx231xx_info("Set New FREQUENCY to %d\n", f->frequency);
-
-	return rc;
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-
-/*
-  -R, --list-registers=type=<host/i2cdrv/i2caddr>,
-				chip=<chip>[,min=<addr>,max=<addr>]
-		     dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER]
-  -r, --set-register=type=<host/i2cdrv/i2caddr>,
-				chip=<chip>,reg=<addr>,val=<val>
-		     set the register [VIDIOC_DBG_S_REGISTER]
-
-  if type == host, then <chip> is the hosts chip ID (default 0)
-  if type == i2cdrv (default), then <chip> is the I2C driver name or ID
-  if type == i2caddr, then <chip> is the 7-bit I2C address
-*/
-
-static int vidioc_g_register(struct file *file, void *priv,
-			     struct v4l2_dbg_register *reg)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int ret = 0;
-	u8 value[4] = { 0, 0, 0, 0 };
-	u32 data = 0;
-
-	switch (reg->match.type) {
-	case V4L2_CHIP_MATCH_HOST:
-		switch (reg->match.addr) {
-		case 0:	/* Cx231xx - internal registers */
-			ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
-						  (u16)reg->reg, value, 4);
-			reg->val = value[0] | value[1] << 8 |
-				   value[2] << 16 | value[3] << 24;
-			break;
-		case 1:	/* AFE - read byte */
-			ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
-						  (u16)reg->reg, 2, &data, 1);
-			reg->val = le32_to_cpu(data & 0xff);
-			break;
-		case 14: /* AFE - read dword */
-			ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
-						  (u16)reg->reg, 2, &data, 4);
-			reg->val = le32_to_cpu(data);
-			break;
-		case 2:	/* Video Block - read byte */
-			ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
-						  (u16)reg->reg, 2, &data, 1);
-			reg->val = le32_to_cpu(data & 0xff);
-			break;
-		case 24: /* Video Block - read dword */
-			ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
-						  (u16)reg->reg, 2, &data, 4);
-			reg->val = le32_to_cpu(data);
-			break;
-		case 3:	/* I2S block - read byte */
-			ret = cx231xx_read_i2c_data(dev,
-						    I2S_BLK_DEVICE_ADDRESS,
-						    (u16)reg->reg, 1,
-						    &data, 1);
-			reg->val = le32_to_cpu(data & 0xff);
-			break;
-		case 34: /* I2S Block - read dword */
-			ret =
-			    cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
-						  (u16)reg->reg, 1, &data, 4);
-			reg->val = le32_to_cpu(data);
-			break;
-		}
-		return ret < 0 ? ret : 0;
-
-	case V4L2_CHIP_MATCH_I2C_DRIVER:
-		call_all(dev, core, g_register, reg);
-		return 0;
-	case V4L2_CHIP_MATCH_I2C_ADDR:/*for register debug*/
-		switch (reg->match.addr) {
-		case 0:	/* Cx231xx - internal registers */
-			ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
-						  (u16)reg->reg, value, 4);
-			reg->val = value[0] | value[1] << 8 |
-				   value[2] << 16 | value[3] << 24;
-
-			break;
-		case 0x600:/* AFE - read byte */
-			ret = cx231xx_read_i2c_master(dev, AFE_DEVICE_ADDRESS,
-						 (u16)reg->reg, 2,
-						 &data, 1 , 0);
-			reg->val = le32_to_cpu(data & 0xff);
-			break;
-
-		case 0x880:/* Video Block - read byte */
-			if (reg->reg < 0x0b) {
-				ret = cx231xx_read_i2c_master(dev,
-						VID_BLK_I2C_ADDRESS,
-						 (u16)reg->reg, 2,
-						 &data, 1 , 0);
-				reg->val = le32_to_cpu(data & 0xff);
-			} else {
-				ret = cx231xx_read_i2c_master(dev,
-						VID_BLK_I2C_ADDRESS,
-						 (u16)reg->reg, 2,
-						 &data, 4 , 0);
-				reg->val = le32_to_cpu(data);
-			}
-			break;
-		case 0x980:
-			ret = cx231xx_read_i2c_master(dev,
-						I2S_BLK_DEVICE_ADDRESS,
-						(u16)reg->reg, 1,
-						&data, 1 , 0);
-			reg->val = le32_to_cpu(data & 0xff);
-			break;
-		case 0x400:
-			ret =
-			    cx231xx_read_i2c_master(dev, 0x40,
-						  (u16)reg->reg, 1,
-						 &data, 1 , 0);
-			reg->val = le32_to_cpu(data & 0xff);
-			break;
-		case 0xc01:
-			ret =
-				cx231xx_read_i2c_master(dev, 0xc0,
-						(u16)reg->reg, 2,
-						 &data, 38, 1);
-			reg->val = le32_to_cpu(data);
-			break;
-		case 0x022:
-			ret =
-				cx231xx_read_i2c_master(dev, 0x02,
-						(u16)reg->reg, 1,
-						 &data, 1, 2);
-			reg->val = le32_to_cpu(data & 0xff);
-			break;
-		case 0x322:
-			ret = cx231xx_read_i2c_master(dev,
-						0x32,
-						 (u16)reg->reg, 1,
-						 &data, 4 , 2);
-				reg->val = le32_to_cpu(data);
-			break;
-		case 0x342:
-			ret = cx231xx_read_i2c_master(dev,
-						0x34,
-						 (u16)reg->reg, 1,
-						 &data, 4 , 2);
-				reg->val = le32_to_cpu(data);
-			break;
-
-		default:
-			cx231xx_info("no match device address!!\n");
-			break;
-			}
-		return ret < 0 ? ret : 0;
-		/*return -EINVAL;*/
-	default:
-		if (!v4l2_chip_match_host(&reg->match))
-			return -EINVAL;
-	}
-
-	call_all(dev, core, g_register, reg);
-
-	return ret;
-}
-
-static int vidioc_s_register(struct file *file, void *priv,
-			     struct v4l2_dbg_register *reg)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int ret = 0;
-	__le64 buf;
-	u32 value;
-	u8 data[4] = { 0, 0, 0, 0 };
-
-	buf = cpu_to_le64(reg->val);
-
-	switch (reg->match.type) {
-	case V4L2_CHIP_MATCH_HOST:
-		{
-			value = (u32) buf & 0xffffffff;
-
-			switch (reg->match.addr) {
-			case 0:	/* cx231xx internal registers */
-				data[0] = (u8) value;
-				data[1] = (u8) (value >> 8);
-				data[2] = (u8) (value >> 16);
-				data[3] = (u8) (value >> 24);
-				ret = cx231xx_write_ctrl_reg(dev,
-							   VRT_SET_REGISTER,
-							   (u16)reg->reg, data,
-							   4);
-				break;
-			case 1:	/* AFE - read byte */
-				ret = cx231xx_write_i2c_data(dev,
-							AFE_DEVICE_ADDRESS,
-							(u16)reg->reg, 2,
-							value, 1);
-				break;
-			case 14: /* AFE - read dword */
-				ret = cx231xx_write_i2c_data(dev,
-							AFE_DEVICE_ADDRESS,
-							(u16)reg->reg, 2,
-							value, 4);
-				break;
-			case 2:	/* Video Block - read byte */
-				ret =
-				    cx231xx_write_i2c_data(dev,
-							VID_BLK_I2C_ADDRESS,
-							(u16)reg->reg, 2,
-							value, 1);
-				break;
-			case 24: /* Video Block - read dword */
-				ret =
-				    cx231xx_write_i2c_data(dev,
-							VID_BLK_I2C_ADDRESS,
-							(u16)reg->reg, 2,
-							value, 4);
-				break;
-			case 3:	/* I2S block - read byte */
-				ret =
-				    cx231xx_write_i2c_data(dev,
-							I2S_BLK_DEVICE_ADDRESS,
-							(u16)reg->reg, 1,
-							value, 1);
-				break;
-			case 34: /* I2S block - read dword */
-				ret =
-				    cx231xx_write_i2c_data(dev,
-							I2S_BLK_DEVICE_ADDRESS,
-							(u16)reg->reg, 1,
-							value, 4);
-				break;
-			}
-		}
-		return ret < 0 ? ret : 0;
-	case V4L2_CHIP_MATCH_I2C_ADDR:
-		{
-			value = (u32) buf & 0xffffffff;
-
-			switch (reg->match.addr) {
-			case 0:/*cx231xx internal registers*/
-					data[0] = (u8) value;
-					data[1] = (u8) (value >> 8);
-					data[2] = (u8) (value >> 16);
-					data[3] = (u8) (value >> 24);
-					ret = cx231xx_write_ctrl_reg(dev,
-							   VRT_SET_REGISTER,
-							   (u16)reg->reg, data,
-							   4);
-					break;
-			case 0x600:/* AFE - read byte */
-					ret = cx231xx_write_i2c_master(dev,
-							AFE_DEVICE_ADDRESS,
-							(u16)reg->reg, 2,
-							value, 1 , 0);
-					break;
-
-			case 0x880:/* Video Block - read byte */
-					if (reg->reg < 0x0b)
-						cx231xx_write_i2c_master(dev,
-							VID_BLK_I2C_ADDRESS,
-							(u16)reg->reg, 2,
-							value, 1, 0);
-					else
-						cx231xx_write_i2c_master(dev,
-							VID_BLK_I2C_ADDRESS,
-							(u16)reg->reg, 2,
-							value, 4, 0);
-					break;
-			case 0x980:
-					ret =
-						cx231xx_write_i2c_master(dev,
-							I2S_BLK_DEVICE_ADDRESS,
-							(u16)reg->reg, 1,
-							value, 1, 0);
-					break;
-			case 0x400:
-					ret =
-						cx231xx_write_i2c_master(dev,
-							0x40,
-							(u16)reg->reg, 1,
-							value, 1, 0);
-					break;
-			case 0xc01:
-					ret =
-						cx231xx_write_i2c_master(dev,
-							 0xc0,
-							 (u16)reg->reg, 1,
-							 value, 1, 1);
-					break;
-
-			case 0x022:
-					ret =
-						cx231xx_write_i2c_master(dev,
-							0x02,
-							(u16)reg->reg, 1,
-							value, 1, 2);
-			case 0x322:
-					ret =
-						cx231xx_write_i2c_master(dev,
-							0x32,
-							(u16)reg->reg, 1,
-							value, 4, 2);
-					break;
-
-			case 0x342:
-					ret =
-						cx231xx_write_i2c_master(dev,
-							0x34,
-							(u16)reg->reg, 1,
-							value, 4, 2);
-					break;
-			default:
-				cx231xx_info("no match device address, "
-					"the value is %x\n", reg->match.addr);
-					break;
-
-					}
-
-		}
-	default:
-		break;
-	}
-
-	call_all(dev, core, s_register, reg);
-
-	return ret;
-}
-#endif
-
-static int vidioc_cropcap(struct file *file, void *priv,
-			  struct v4l2_cropcap *cc)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-
-	if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
-	cc->bounds.left = 0;
-	cc->bounds.top = 0;
-	cc->bounds.width = dev->width;
-	cc->bounds.height = dev->height;
-	cc->defrect = cc->bounds;
-	cc->pixelaspect.numerator = 54;	/* 4:3 FIXME: remove magic numbers */
-	cc->pixelaspect.denominator = 59;
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv,
-			   enum v4l2_buf_type type)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	rc = res_get(fh);
-
-	if (likely(rc >= 0))
-		rc = videobuf_streamon(&fh->vb_vidq);
-
-	call_all(dev, video, s_stream, 1);
-
-	return rc;
-}
-
-static int vidioc_streamoff(struct file *file, void *priv,
-			    enum v4l2_buf_type type)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
-	    (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
-		return -EINVAL;
-	if (type != fh->type)
-		return -EINVAL;
-
-	cx25840_call(dev, video, s_stream, 0);
-
-	videobuf_streamoff(&fh->vb_vidq);
-	res_free(fh);
-
-	return 0;
-}
-
-static int vidioc_querycap(struct file *file, void *priv,
-			   struct v4l2_capability *cap)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-
-	strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
-	strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
-	usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
-
-	cap->capabilities = V4L2_CAP_VBI_CAPTURE |
-#if 0
-		V4L2_CAP_SLICED_VBI_CAPTURE |
-#endif
-		V4L2_CAP_VIDEO_CAPTURE	|
-		V4L2_CAP_AUDIO		|
-		V4L2_CAP_READWRITE	|
-		V4L2_CAP_STREAMING;
-
-	if (dev->tuner_type != TUNER_ABSENT)
-		cap->capabilities |= V4L2_CAP_TUNER;
-
-	return 0;
-}
-
-static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
-				   struct v4l2_fmtdesc *f)
-{
-	if (unlikely(f->index >= ARRAY_SIZE(format)))
-		return -EINVAL;
-
-	strlcpy(f->description, format[f->index].name, sizeof(f->description));
-	f->pixelformat = format[f->index].fourcc;
-
-	return 0;
-}
-
-/* Sliced VBI ioctls */
-static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
-				       struct v4l2_format *f)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	f->fmt.sliced.service_set = 0;
-
-	call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
-
-	if (f->fmt.sliced.service_set == 0)
-		rc = -EINVAL;
-
-	return rc;
-}
-
-static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
-					 struct v4l2_format *f)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced);
-
-	if (f->fmt.sliced.service_set == 0)
-		return -EINVAL;
-
-	return 0;
-}
-
-/* RAW VBI ioctls */
-
-static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	f->fmt.vbi.sampling_rate = 6750000 * 4;
-	f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
-	f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
-	f->fmt.vbi.offset = 0;
-	f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
-	    PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
-	f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
-	    PAL_VBI_LINES : NTSC_VBI_LINES;
-	f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
-	    PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
-	f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
-
-	return 0;
-
-}
-
-static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
-				  struct v4l2_format *f)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-
-	if (dev->vbi_stream_on && !fh->stream_on) {
-		cx231xx_errdev("%s device in use by another fh\n", __func__);
-		return -EBUSY;
-	}
-
-	f->type = V4L2_BUF_TYPE_VBI_CAPTURE;
-	f->fmt.vbi.sampling_rate = 6750000 * 4;
-	f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
-	f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
-	f->fmt.vbi.offset = 0;
-	f->fmt.vbi.flags = 0;
-	f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
-	    PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
-	f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
-	    PAL_VBI_LINES : NTSC_VBI_LINES;
-	f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
-	    PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
-	f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
-
-	return 0;
-
-}
-
-static int vidioc_reqbufs(struct file *file, void *priv,
-			  struct v4l2_requestbuffers *rb)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	return videobuf_reqbufs(&fh->vb_vidq, rb);
-}
-
-static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	return videobuf_querybuf(&fh->vb_vidq, b);
-}
-
-static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	return videobuf_qbuf(&fh->vb_vidq, b);
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
-	struct cx231xx_fh *fh = priv;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
-}
-
-/* ----------------------------------------------------------- */
-/* RADIO ESPECIFIC IOCTLS                                      */
-/* ----------------------------------------------------------- */
-
-static int radio_querycap(struct file *file, void *priv,
-			  struct v4l2_capability *cap)
-{
-	struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
-
-	strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
-	strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
-	usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
-
-	cap->capabilities = V4L2_CAP_TUNER;
-	return 0;
-}
-
-static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
-{
-	struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
-
-	if (unlikely(t->index > 0))
-		return -EINVAL;
-
-	strcpy(t->name, "Radio");
-	t->type = V4L2_TUNER_RADIO;
-
-	call_all(dev, tuner, s_tuner, t);
-
-	return 0;
-}
-
-static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i)
-{
-	if (i->index != 0)
-		return -EINVAL;
-	strcpy(i->name, "Radio");
-	i->type = V4L2_INPUT_TYPE_TUNER;
-
-	return 0;
-}
-
-static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
-{
-	if (unlikely(a->index))
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	return 0;
-}
-
-static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
-{
-	struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
-
-	if (0 != t->index)
-		return -EINVAL;
-
-	call_all(dev, tuner, s_tuner, t);
-
-	return 0;
-}
-
-static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
-{
-	return 0;
-}
-
-static int radio_s_input(struct file *file, void *fh, unsigned int i)
-{
-	return 0;
-}
-
-static int radio_queryctrl(struct file *file, void *priv,
-			   struct v4l2_queryctrl *c)
-{
-	int i;
-
-	if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1)
-		return -EINVAL;
-	if (c->id == V4L2_CID_AUDIO_MUTE) {
-		for (i = 0; i < CX231XX_CTLS; i++) {
-			if (cx231xx_ctls[i].v.id == c->id)
-				break;
-		}
-		if (i == CX231XX_CTLS)
-			return -EINVAL;
-		*c = cx231xx_ctls[i].v;
-	} else
-		*c = no_ctl;
-	return 0;
-}
-
-/*
- * cx231xx_v4l2_open()
- * inits the device and starts isoc transfer
- */
-static int cx231xx_v4l2_open(struct file *filp)
-{
-	int errCode = 0, radio = 0;
-	struct video_device *vdev = video_devdata(filp);
-	struct cx231xx *dev = video_drvdata(filp);
-	struct cx231xx_fh *fh;
-	enum v4l2_buf_type fh_type = 0;
-
-	switch (vdev->vfl_type) {
-	case VFL_TYPE_GRABBER:
-		fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-		break;
-	case VFL_TYPE_VBI:
-		fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
-		break;
-	case VFL_TYPE_RADIO:
-		radio = 1;
-		break;
-	}
-
-	cx231xx_videodbg("open dev=%s type=%s users=%d\n",
-			 video_device_node_name(vdev), v4l2_type_names[fh_type],
-			 dev->users);
-
-#if 0
-	errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
-	if (errCode < 0) {
-		cx231xx_errdev
-		    ("Device locked on digital mode. Can't open analog\n");
-		return -EBUSY;
-	}
-#endif
-
-	fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
-	if (!fh) {
-		cx231xx_errdev("cx231xx-video.c: Out of memory?!\n");
-		return -ENOMEM;
-	}
-	if (mutex_lock_interruptible(&dev->lock)) {
-		kfree(fh);
-		return -ERESTARTSYS;
-	}
-	fh->dev = dev;
-	fh->radio = radio;
-	fh->type = fh_type;
-	filp->private_data = fh;
-
-	if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
-		dev->width = norm_maxw(dev);
-		dev->height = norm_maxh(dev);
-
-		/* Power up in Analog TV mode */
-		if (dev->board.external_av)
-			cx231xx_set_power_mode(dev,
-				 POLARIS_AVMODE_ENXTERNAL_AV);
-		else
-			cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
-
-#if 0
-		cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
-#endif
-
-		/* set video alternate setting */
-		cx231xx_set_video_alternate(dev);
-
-		/* Needed, since GPIO might have disabled power of
-		   some i2c device */
-		cx231xx_config_i2c(dev);
-
-		/* device needs to be initialized before isoc transfer */
-		dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
-
-	}
-	if (fh->radio) {
-		cx231xx_videodbg("video_open: setting radio device\n");
-
-		/* cx231xx_start_radio(dev); */
-
-		call_all(dev, tuner, s_radio);
-	}
-
-	dev->users++;
-
-	if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
-					    NULL, &dev->video_mode.slock,
-					    fh->type, V4L2_FIELD_INTERLACED,
-					    sizeof(struct cx231xx_buffer),
-					    fh, &dev->lock);
-	if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
-		/* Set the required alternate setting  VBI interface works in
-		   Bulk mode only */
-		cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
-
-		videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
-					    NULL, &dev->vbi_mode.slock,
-					    fh->type, V4L2_FIELD_SEQ_TB,
-					    sizeof(struct cx231xx_buffer),
-					    fh, &dev->lock);
-	}
-	mutex_unlock(&dev->lock);
-
-	return errCode;
-}
-
-/*
- * cx231xx_realease_resources()
- * unregisters the v4l2,i2c and usb devices
- * called when the device gets disconected or at module unload
-*/
-void cx231xx_release_analog_resources(struct cx231xx *dev)
-{
-
-	/*FIXME: I2C IR should be disconnected */
-
-	if (dev->radio_dev) {
-		if (video_is_registered(dev->radio_dev))
-			video_unregister_device(dev->radio_dev);
-		else
-			video_device_release(dev->radio_dev);
-		dev->radio_dev = NULL;
-	}
-	if (dev->vbi_dev) {
-		cx231xx_info("V4L2 device %s deregistered\n",
-			     video_device_node_name(dev->vbi_dev));
-		if (video_is_registered(dev->vbi_dev))
-			video_unregister_device(dev->vbi_dev);
-		else
-			video_device_release(dev->vbi_dev);
-		dev->vbi_dev = NULL;
-	}
-	if (dev->vdev) {
-		cx231xx_info("V4L2 device %s deregistered\n",
-			     video_device_node_name(dev->vdev));
-
-		if (dev->board.has_417)
-			cx231xx_417_unregister(dev);
-
-		if (video_is_registered(dev->vdev))
-			video_unregister_device(dev->vdev);
-		else
-			video_device_release(dev->vdev);
-		dev->vdev = NULL;
-	}
-}
-
-/*
- * cx231xx_close()
- * stops streaming and deallocates all resources allocated by the v4l2
- * calls and ioctls
- */
-static int cx231xx_close(struct file *filp)
-{
-	struct cx231xx_fh *fh = filp->private_data;
-	struct cx231xx *dev = fh->dev;
-
-	cx231xx_videodbg("users=%d\n", dev->users);
-
-	cx231xx_videodbg("users=%d\n", dev->users);
-	if (res_check(fh))
-		res_free(fh);
-
-	/*
-	 * To workaround error number=-71 on EP0 for VideoGrabber,
-	 *	 need exclude following.
-	 * FIXME: It is probably safe to remove most of these, as we're
-	 * now avoiding the alternate setting for INDEX_VANC
-	 */
-	if (!dev->board.no_alt_vanc)
-		if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
-			videobuf_stop(&fh->vb_vidq);
-			videobuf_mmap_free(&fh->vb_vidq);
-
-			/* the device is already disconnect,
-			   free the remaining resources */
-			if (dev->state & DEV_DISCONNECTED) {
-				if (atomic_read(&dev->devlist_count) > 0) {
-					cx231xx_release_resources(dev);
-					fh->dev = NULL;
-					return 0;
-				}
-				return 0;
-			}
-
-			/* do this before setting alternate! */
-			cx231xx_uninit_vbi_isoc(dev);
-
-			/* set alternate 0 */
-			if (!dev->vbi_or_sliced_cc_mode)
-				cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
-			else
-				cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
-
-			kfree(fh);
-			dev->users--;
-			wake_up_interruptible_nr(&dev->open, 1);
-			return 0;
-		}
-
-	dev->users--;
-	if (!dev->users) {
-		videobuf_stop(&fh->vb_vidq);
-		videobuf_mmap_free(&fh->vb_vidq);
-
-		/* the device is already disconnect,
-		   free the remaining resources */
-		if (dev->state & DEV_DISCONNECTED) {
-			cx231xx_release_resources(dev);
-			fh->dev = NULL;
-			return 0;
-		}
-
-		/* Save some power by putting tuner to sleep */
-		call_all(dev, core, s_power, 0);
-
-		/* do this before setting alternate! */
-		if (dev->USE_ISO)
-			cx231xx_uninit_isoc(dev);
-		else
-			cx231xx_uninit_bulk(dev);
-		cx231xx_set_mode(dev, CX231XX_SUSPEND);
-
-		/* set alternate 0 */
-		cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
-	}
-	kfree(fh);
-	wake_up_interruptible_nr(&dev->open, 1);
-	return 0;
-}
-
-static int cx231xx_v4l2_close(struct file *filp)
-{
-	struct cx231xx_fh *fh = filp->private_data;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	mutex_lock(&dev->lock);
-	rc = cx231xx_close(filp);
-	mutex_unlock(&dev->lock);
-	return rc;
-}
-
-/*
- * cx231xx_v4l2_read()
- * will allocate buffers when called for the first time
- */
-static ssize_t
-cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
-		  loff_t *pos)
-{
-	struct cx231xx_fh *fh = filp->private_data;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
-	    (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
-		rc = res_get(fh);
-
-		if (unlikely(rc < 0))
-			return rc;
-
-		if (mutex_lock_interruptible(&dev->lock))
-			return -ERESTARTSYS;
-		rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
-					    filp->f_flags & O_NONBLOCK);
-		mutex_unlock(&dev->lock);
-		return rc;
-	}
-	return 0;
-}
-
-/*
- * cx231xx_v4l2_poll()
- * will allocate buffers when called for the first time
- */
-static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
-{
-	struct cx231xx_fh *fh = filp->private_data;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	rc = res_get(fh);
-
-	if (unlikely(rc < 0))
-		return POLLERR;
-
-	if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
-	    (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)) {
-		unsigned int res;
-
-		mutex_lock(&dev->lock);
-		res = videobuf_poll_stream(filp, &fh->vb_vidq, wait);
-		mutex_unlock(&dev->lock);
-		return res;
-	}
-	return POLLERR;
-}
-
-/*
- * cx231xx_v4l2_mmap()
- */
-static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
-{
-	struct cx231xx_fh *fh = filp->private_data;
-	struct cx231xx *dev = fh->dev;
-	int rc;
-
-	rc = check_dev(dev);
-	if (rc < 0)
-		return rc;
-
-	rc = res_get(fh);
-
-	if (unlikely(rc < 0))
-		return rc;
-
-	if (mutex_lock_interruptible(&dev->lock))
-		return -ERESTARTSYS;
-	rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
-	mutex_unlock(&dev->lock);
-
-	cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
-			 (unsigned long)vma->vm_start,
-			 (unsigned long)vma->vm_end -
-			 (unsigned long)vma->vm_start, rc);
-
-	return rc;
-}
-
-static const struct v4l2_file_operations cx231xx_v4l_fops = {
-	.owner   = THIS_MODULE,
-	.open    = cx231xx_v4l2_open,
-	.release = cx231xx_v4l2_close,
-	.read    = cx231xx_v4l2_read,
-	.poll    = cx231xx_v4l2_poll,
-	.mmap    = cx231xx_v4l2_mmap,
-	.unlocked_ioctl   = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap               = vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap       = vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap          = vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap        = vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap          = vidioc_s_fmt_vid_cap,
-	.vidioc_g_fmt_vbi_cap          = vidioc_g_fmt_vbi_cap,
-	.vidioc_try_fmt_vbi_cap        = vidioc_try_fmt_vbi_cap,
-	.vidioc_s_fmt_vbi_cap          = vidioc_try_fmt_vbi_cap,
-	.vidioc_g_audio                =  vidioc_g_audio,
-	.vidioc_s_audio                = vidioc_s_audio,
-	.vidioc_cropcap                = vidioc_cropcap,
-	.vidioc_g_fmt_sliced_vbi_cap   = vidioc_g_fmt_sliced_vbi_cap,
-	.vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
-	.vidioc_reqbufs                = vidioc_reqbufs,
-	.vidioc_querybuf               = vidioc_querybuf,
-	.vidioc_qbuf                   = vidioc_qbuf,
-	.vidioc_dqbuf                  = vidioc_dqbuf,
-	.vidioc_s_std                  = vidioc_s_std,
-	.vidioc_g_std                  = vidioc_g_std,
-	.vidioc_enum_input             = vidioc_enum_input,
-	.vidioc_g_input                = vidioc_g_input,
-	.vidioc_s_input                = vidioc_s_input,
-	.vidioc_queryctrl              = vidioc_queryctrl,
-	.vidioc_g_ctrl                 = vidioc_g_ctrl,
-	.vidioc_s_ctrl                 = vidioc_s_ctrl,
-	.vidioc_streamon               = vidioc_streamon,
-	.vidioc_streamoff              = vidioc_streamoff,
-	.vidioc_g_tuner                = vidioc_g_tuner,
-	.vidioc_s_tuner                = vidioc_s_tuner,
-	.vidioc_g_frequency            = vidioc_g_frequency,
-	.vidioc_s_frequency            = vidioc_s_frequency,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register             = vidioc_g_register,
-	.vidioc_s_register             = vidioc_s_register,
-#endif
-};
-
-static struct video_device cx231xx_vbi_template;
-
-static const struct video_device cx231xx_video_template = {
-	.fops         = &cx231xx_v4l_fops,
-	.release      = video_device_release,
-	.ioctl_ops    = &video_ioctl_ops,
-	.tvnorms      = V4L2_STD_ALL,
-	.current_norm = V4L2_STD_PAL,
-};
-
-static const struct v4l2_file_operations radio_fops = {
-	.owner   = THIS_MODULE,
-	.open   = cx231xx_v4l2_open,
-	.release = cx231xx_v4l2_close,
-	.ioctl   = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops radio_ioctl_ops = {
-	.vidioc_querycap    = radio_querycap,
-	.vidioc_g_tuner     = radio_g_tuner,
-	.vidioc_enum_input  = radio_enum_input,
-	.vidioc_g_audio     = radio_g_audio,
-	.vidioc_s_tuner     = radio_s_tuner,
-	.vidioc_s_audio     = radio_s_audio,
-	.vidioc_s_input     = radio_s_input,
-	.vidioc_queryctrl   = radio_queryctrl,
-	.vidioc_g_ctrl      = vidioc_g_ctrl,
-	.vidioc_s_ctrl      = vidioc_s_ctrl,
-	.vidioc_g_frequency = vidioc_g_frequency,
-	.vidioc_s_frequency = vidioc_s_frequency,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register  = vidioc_g_register,
-	.vidioc_s_register  = vidioc_s_register,
-#endif
-};
-
-static struct video_device cx231xx_radio_template = {
-	.name      = "cx231xx-radio",
-	.fops      = &radio_fops,
-	.ioctl_ops = &radio_ioctl_ops,
-};
-
-/******************************** usb interface ******************************/
-
-static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
-		const struct video_device
-		*template, const char *type_name)
-{
-	struct video_device *vfd;
-
-	vfd = video_device_alloc();
-	if (NULL == vfd)
-		return NULL;
-
-	*vfd = *template;
-	vfd->v4l2_dev = &dev->v4l2_dev;
-	vfd->release = video_device_release;
-	vfd->debug = video_debug;
-	vfd->lock = &dev->lock;
-
-	snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
-
-	video_set_drvdata(vfd, dev);
-	return vfd;
-}
-
-int cx231xx_register_analog_devices(struct cx231xx *dev)
-{
-	int ret;
-
-	cx231xx_info("%s: v4l2 driver version %s\n",
-		     dev->name, CX231XX_VERSION);
-
-	/* set default norm */
-	/*dev->norm = cx231xx_video_template.current_norm; */
-	dev->width = norm_maxw(dev);
-	dev->height = norm_maxh(dev);
-	dev->interlaced = 0;
-
-	/* Analog specific initialization */
-	dev->format = &format[0];
-
-	/* Set the initial input */
-	video_mux(dev, dev->video_input);
-
-	/* Audio defaults */
-	dev->mute = 1;
-	dev->volume = 0x1f;
-
-	/* enable vbi capturing */
-	/* write code here...  */
-
-	/* allocate and fill video video_device struct */
-	dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video");
-	if (!dev->vdev) {
-		cx231xx_errdev("cannot allocate video_device.\n");
-		return -ENODEV;
-	}
-
-	/* register v4l2 video video_device */
-	ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
-				    video_nr[dev->devno]);
-	if (ret) {
-		cx231xx_errdev("unable to register video device (error=%i).\n",
-			       ret);
-		return ret;
-	}
-
-	cx231xx_info("%s/0: registered device %s [v4l2]\n",
-		     dev->name, video_device_node_name(dev->vdev));
-
-	/* Initialize VBI template */
-	memcpy(&cx231xx_vbi_template, &cx231xx_video_template,
-	       sizeof(cx231xx_vbi_template));
-	strcpy(cx231xx_vbi_template.name, "cx231xx-vbi");
-
-	/* Allocate and fill vbi video_device struct */
-	dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi");
-
-	/* register v4l2 vbi video_device */
-	ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
-				    vbi_nr[dev->devno]);
-	if (ret < 0) {
-		cx231xx_errdev("unable to register vbi device\n");
-		return ret;
-	}
-
-	cx231xx_info("%s/0: registered device %s\n",
-		     dev->name, video_device_node_name(dev->vbi_dev));
-
-	if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
-		dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template,
-						   "radio");
-		if (!dev->radio_dev) {
-			cx231xx_errdev("cannot allocate video_device.\n");
-			return -ENODEV;
-		}
-		ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
-					    radio_nr[dev->devno]);
-		if (ret < 0) {
-			cx231xx_errdev("can't register radio device\n");
-			return ret;
-		}
-		cx231xx_info("Registered radio device as %s\n",
-			     video_device_node_name(dev->radio_dev));
-	}
-
-	cx231xx_info("V4L2 device registered as %s and %s\n",
-		     video_device_node_name(dev->vdev),
-		     video_device_node_name(dev->vbi_dev));
-
-	return 0;
-}