[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, 567 deletions

diff --git a/drivers/media/video/gspca/w996Xcf.c b/drivers/media/video/gspca/w996Xcf.c
deleted file mode 100644
index 9e3a909e0a00..000000000000
--- a/drivers/media/video/gspca/w996Xcf.c
+++ /dev/null
@@ -1,567 +0,0 @@
-/**
- *
- * GSPCA sub driver for W996[78]CF JPEG USB Dual Mode Camera Chip.
- *
- * Copyright (C) 2009 Hans de Goede <hdegoede@redhat.com>
- *
- * This module is adapted from the in kernel v4l1 w9968cf driver:
- *
- * Copyright (C) 2002-2004 by Luca Risolia <luca.risolia@studio.unibo.it>
- *
- * 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
- *
- */
-
-/* Note this is not a stand alone driver, it gets included in ov519.c, this
-   is a bit of a hack, but it needs the driver code for a lot of different
-   ov sensors which is already present in ov519.c (the old v4l1 driver used
-   the ovchipcam framework). When we have the time we really should move
-   the sensor drivers to v4l2 sub drivers, and properly split of this
-   driver from ov519.c */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#define W9968CF_I2C_BUS_DELAY    4 /* delay in us for I2C bit r/w operations */
-
-#define Y_QUANTABLE (&sd->jpeg_hdr[JPEG_QT0_OFFSET])
-#define UV_QUANTABLE (&sd->jpeg_hdr[JPEG_QT1_OFFSET])
-
-static const struct v4l2_pix_format w9968cf_vga_mode[] = {
-	{160, 120, V4L2_PIX_FMT_UYVY, V4L2_FIELD_NONE,
-		.bytesperline = 160 * 2,
-		.sizeimage = 160 * 120 * 2,
-		.colorspace = V4L2_COLORSPACE_JPEG},
-	{176, 144, V4L2_PIX_FMT_UYVY, V4L2_FIELD_NONE,
-		.bytesperline = 176 * 2,
-		.sizeimage = 176 * 144 * 2,
-		.colorspace = V4L2_COLORSPACE_JPEG},
-	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
-		.bytesperline = 320 * 2,
-		.sizeimage = 320 * 240 * 2,
-		.colorspace = V4L2_COLORSPACE_JPEG},
-	{352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
-		.bytesperline = 352 * 2,
-		.sizeimage = 352 * 288 * 2,
-		.colorspace = V4L2_COLORSPACE_JPEG},
-	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
-		.bytesperline = 640 * 2,
-		.sizeimage = 640 * 480 * 2,
-		.colorspace = V4L2_COLORSPACE_JPEG},
-};
-
-static void reg_w(struct sd *sd, u16 index, u16 value);
-
-/*--------------------------------------------------------------------------
-  Write 64-bit data to the fast serial bus registers.
-  Return 0 on success, -1 otherwise.
-  --------------------------------------------------------------------------*/
-static void w9968cf_write_fsb(struct sd *sd, u16* data)
-{
-	struct usb_device *udev = sd->gspca_dev.dev;
-	u16 value;
-	int ret;
-
-	if (sd->gspca_dev.usb_err < 0)
-		return;
-
-	value = *data++;
-	memcpy(sd->gspca_dev.usb_buf, data, 6);
-
-	ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0,
-			      USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
-			      value, 0x06, sd->gspca_dev.usb_buf, 6, 500);
-	if (ret < 0) {
-		pr_err("Write FSB registers failed (%d)\n", ret);
-		sd->gspca_dev.usb_err = ret;
-	}
-}
-
-/*--------------------------------------------------------------------------
-  Write data to the serial bus control register.
-  Return 0 on success, a negative number otherwise.
-  --------------------------------------------------------------------------*/
-static void w9968cf_write_sb(struct sd *sd, u16 value)
-{
-	int ret;
-
-	if (sd->gspca_dev.usb_err < 0)
-		return;
-
-	/* We don't use reg_w here, as that would cause all writes when
-	   bitbanging i2c to be logged, making the logs impossible to read */
-	ret = usb_control_msg(sd->gspca_dev.dev,
-		usb_sndctrlpipe(sd->gspca_dev.dev, 0),
-		0,
-		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-		value, 0x01, NULL, 0, 500);
-
-	udelay(W9968CF_I2C_BUS_DELAY);
-
-	if (ret < 0) {
-		pr_err("Write SB reg [01] %04x failed\n", value);
-		sd->gspca_dev.usb_err = ret;
-	}
-}
-
-/*--------------------------------------------------------------------------
-  Read data from the serial bus control register.
-  Return 0 on success, a negative number otherwise.
-  --------------------------------------------------------------------------*/
-static int w9968cf_read_sb(struct sd *sd)
-{
-	int ret;
-
-	if (sd->gspca_dev.usb_err < 0)
-		return -1;
-
-	/* We don't use reg_r here, as the w9968cf is special and has 16
-	   bit registers instead of 8 bit */
-	ret = usb_control_msg(sd->gspca_dev.dev,
-			usb_rcvctrlpipe(sd->gspca_dev.dev, 0),
-			1,
-			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			0, 0x01, sd->gspca_dev.usb_buf, 2, 500);
-	if (ret >= 0) {
-		ret = sd->gspca_dev.usb_buf[0] |
-		      (sd->gspca_dev.usb_buf[1] << 8);
-	} else {
-		pr_err("Read SB reg [01] failed\n");
-		sd->gspca_dev.usb_err = ret;
-	}
-
-	udelay(W9968CF_I2C_BUS_DELAY);
-
-	return ret;
-}
-
-/*--------------------------------------------------------------------------
-  Upload quantization tables for the JPEG compression.
-  This function is called by w9968cf_start_transfer().
-  Return 0 on success, a negative number otherwise.
-  --------------------------------------------------------------------------*/
-static void w9968cf_upload_quantizationtables(struct sd *sd)
-{
-	u16 a, b;
-	int i, j;
-
-	reg_w(sd, 0x39, 0x0010); /* JPEG clock enable */
-
-	for (i = 0, j = 0; i < 32; i++, j += 2) {
-		a = Y_QUANTABLE[j] | ((unsigned)(Y_QUANTABLE[j + 1]) << 8);
-		b = UV_QUANTABLE[j] | ((unsigned)(UV_QUANTABLE[j + 1]) << 8);
-		reg_w(sd, 0x40 + i, a);
-		reg_w(sd, 0x60 + i, b);
-	}
-	reg_w(sd, 0x39, 0x0012); /* JPEG encoder enable */
-}
-
-/****************************************************************************
- * Low-level I2C I/O functions.                                             *
- * The adapter supports the following I2C transfer functions:               *
- * i2c_adap_fastwrite_byte_data() (at 400 kHz bit frequency only)           *
- * i2c_adap_read_byte_data()                                                *
- * i2c_adap_read_byte()                                                     *
- ****************************************************************************/
-
-static void w9968cf_smbus_start(struct sd *sd)
-{
-	w9968cf_write_sb(sd, 0x0011); /* SDE=1, SDA=0, SCL=1 */
-	w9968cf_write_sb(sd, 0x0010); /* SDE=1, SDA=0, SCL=0 */
-}
-
-static void w9968cf_smbus_stop(struct sd *sd)
-{
-	w9968cf_write_sb(sd, 0x0010); /* SDE=1, SDA=0, SCL=0 */
-	w9968cf_write_sb(sd, 0x0011); /* SDE=1, SDA=0, SCL=1 */
-	w9968cf_write_sb(sd, 0x0013); /* SDE=1, SDA=1, SCL=1 */
-}
-
-static void w9968cf_smbus_write_byte(struct sd *sd, u8 v)
-{
-	u8 bit;
-	int sda;
-
-	for (bit = 0 ; bit < 8 ; bit++) {
-		sda = (v & 0x80) ? 2 : 0;
-		v <<= 1;
-		/* SDE=1, SDA=sda, SCL=0 */
-		w9968cf_write_sb(sd, 0x10 | sda);
-		/* SDE=1, SDA=sda, SCL=1 */
-		w9968cf_write_sb(sd, 0x11 | sda);
-		/* SDE=1, SDA=sda, SCL=0 */
-		w9968cf_write_sb(sd, 0x10 | sda);
-	}
-}
-
-static void w9968cf_smbus_read_byte(struct sd *sd, u8 *v)
-{
-	u8 bit;
-
-	/* No need to ensure SDA is high as we are always called after
-	   read_ack which ends with SDA high */
-	*v = 0;
-	for (bit = 0 ; bit < 8 ; bit++) {
-		*v <<= 1;
-		/* SDE=1, SDA=1, SCL=1 */
-		w9968cf_write_sb(sd, 0x0013);
-		*v |= (w9968cf_read_sb(sd) & 0x0008) ? 1 : 0;
-		/* SDE=1, SDA=1, SCL=0 */
-		w9968cf_write_sb(sd, 0x0012);
-	}
-}
-
-static void w9968cf_smbus_write_nack(struct sd *sd)
-{
-	/* No need to ensure SDA is high as we are always called after
-	   read_byte which ends with SDA high */
-	w9968cf_write_sb(sd, 0x0013); /* SDE=1, SDA=1, SCL=1 */
-	w9968cf_write_sb(sd, 0x0012); /* SDE=1, SDA=1, SCL=0 */
-}
-
-static void w9968cf_smbus_read_ack(struct sd *sd)
-{
-	int sda;
-
-	/* Ensure SDA is high before raising clock to avoid a spurious stop */
-	w9968cf_write_sb(sd, 0x0012); /* SDE=1, SDA=1, SCL=0 */
-	w9968cf_write_sb(sd, 0x0013); /* SDE=1, SDA=1, SCL=1 */
-	sda = w9968cf_read_sb(sd);
-	w9968cf_write_sb(sd, 0x0012); /* SDE=1, SDA=1, SCL=0 */
-	if (sda >= 0 && (sda & 0x08)) {
-		PDEBUG(D_USBI, "Did not receive i2c ACK");
-		sd->gspca_dev.usb_err = -EIO;
-	}
-}
-
-/* SMBus protocol: S Addr Wr [A] Subaddr [A] Value [A] P */
-static void w9968cf_i2c_w(struct sd *sd, u8 reg, u8 value)
-{
-	u16* data = (u16 *)sd->gspca_dev.usb_buf;
-
-	data[0] = 0x082f | ((sd->sensor_addr & 0x80) ? 0x1500 : 0x0);
-	data[0] |= (sd->sensor_addr & 0x40) ? 0x4000 : 0x0;
-	data[1] = 0x2082 | ((sd->sensor_addr & 0x40) ? 0x0005 : 0x0);
-	data[1] |= (sd->sensor_addr & 0x20) ? 0x0150 : 0x0;
-	data[1] |= (sd->sensor_addr & 0x10) ? 0x5400 : 0x0;
-	data[2] = 0x8208 | ((sd->sensor_addr & 0x08) ? 0x0015 : 0x0);
-	data[2] |= (sd->sensor_addr & 0x04) ? 0x0540 : 0x0;
-	data[2] |= (sd->sensor_addr & 0x02) ? 0x5000 : 0x0;
-	data[3] = 0x1d20 | ((sd->sensor_addr & 0x02) ? 0x0001 : 0x0);
-	data[3] |= (sd->sensor_addr & 0x01) ? 0x0054 : 0x0;
-
-	w9968cf_write_fsb(sd, data);
-
-	data[0] = 0x8208 | ((reg & 0x80) ? 0x0015 : 0x0);
-	data[0] |= (reg & 0x40) ? 0x0540 : 0x0;
-	data[0] |= (reg & 0x20) ? 0x5000 : 0x0;
-	data[1] = 0x0820 | ((reg & 0x20) ? 0x0001 : 0x0);
-	data[1] |= (reg & 0x10) ? 0x0054 : 0x0;
-	data[1] |= (reg & 0x08) ? 0x1500 : 0x0;
-	data[1] |= (reg & 0x04) ? 0x4000 : 0x0;
-	data[2] = 0x2082 | ((reg & 0x04) ? 0x0005 : 0x0);
-	data[2] |= (reg & 0x02) ? 0x0150 : 0x0;
-	data[2] |= (reg & 0x01) ? 0x5400 : 0x0;
-	data[3] = 0x001d;
-
-	w9968cf_write_fsb(sd, data);
-
-	data[0] = 0x8208 | ((value & 0x80) ? 0x0015 : 0x0);
-	data[0] |= (value & 0x40) ? 0x0540 : 0x0;
-	data[0] |= (value & 0x20) ? 0x5000 : 0x0;
-	data[1] = 0x0820 | ((value & 0x20) ? 0x0001 : 0x0);
-	data[1] |= (value & 0x10) ? 0x0054 : 0x0;
-	data[1] |= (value & 0x08) ? 0x1500 : 0x0;
-	data[1] |= (value & 0x04) ? 0x4000 : 0x0;
-	data[2] = 0x2082 | ((value & 0x04) ? 0x0005 : 0x0);
-	data[2] |= (value & 0x02) ? 0x0150 : 0x0;
-	data[2] |= (value & 0x01) ? 0x5400 : 0x0;
-	data[3] = 0xfe1d;
-
-	w9968cf_write_fsb(sd, data);
-
-	PDEBUG(D_USBO, "i2c 0x%02x -> [0x%02x]", value, reg);
-}
-
-/* SMBus protocol: S Addr Wr [A] Subaddr [A] P S Addr+1 Rd [A] [Value] NA P */
-static int w9968cf_i2c_r(struct sd *sd, u8 reg)
-{
-	int ret = 0;
-	u8 value;
-
-	/* Fast serial bus data control disable */
-	w9968cf_write_sb(sd, 0x0013); /* don't change ! */
-
-	w9968cf_smbus_start(sd);
-	w9968cf_smbus_write_byte(sd, sd->sensor_addr);
-	w9968cf_smbus_read_ack(sd);
-	w9968cf_smbus_write_byte(sd, reg);
-	w9968cf_smbus_read_ack(sd);
-	w9968cf_smbus_stop(sd);
-	w9968cf_smbus_start(sd);
-	w9968cf_smbus_write_byte(sd, sd->sensor_addr + 1);
-	w9968cf_smbus_read_ack(sd);
-	w9968cf_smbus_read_byte(sd, &value);
-	/* signal we don't want to read anymore, the v4l1 driver used to
-	   send an ack here which is very wrong! (and then fixed
-	   the issues this gave by retrying reads) */
-	w9968cf_smbus_write_nack(sd);
-	w9968cf_smbus_stop(sd);
-
-	/* Fast serial bus data control re-enable */
-	w9968cf_write_sb(sd, 0x0030);
-
-	if (sd->gspca_dev.usb_err >= 0) {
-		ret = value;
-		PDEBUG(D_USBI, "i2c [0x%02X] -> 0x%02X", reg, value);
-	} else
-		PDEBUG(D_ERR, "i2c read [0x%02x] failed", reg);
-
-	return ret;
-}
-
-/*--------------------------------------------------------------------------
-  Turn on the LED on some webcams. A beep should be heard too.
-  Return 0 on success, a negative number otherwise.
-  --------------------------------------------------------------------------*/
-static void w9968cf_configure(struct sd *sd)
-{
-	reg_w(sd, 0x00, 0xff00); /* power-down */
-	reg_w(sd, 0x00, 0xbf17); /* reset everything */
-	reg_w(sd, 0x00, 0xbf10); /* normal operation */
-	reg_w(sd, 0x01, 0x0010); /* serial bus, SDS high */
-	reg_w(sd, 0x01, 0x0000); /* serial bus, SDS low */
-	reg_w(sd, 0x01, 0x0010); /* ..high 'beep-beep' */
-	reg_w(sd, 0x01, 0x0030); /* Set sda scl to FSB mode */
-
-	sd->stopped = 1;
-}
-
-static void w9968cf_init(struct sd *sd)
-{
-	unsigned long hw_bufsize = sd->sif ? (352 * 288 * 2) : (640 * 480 * 2),
-		      y0 = 0x0000,
-		      u0 = y0 + hw_bufsize / 2,
-		      v0 = u0 + hw_bufsize / 4,
-		      y1 = v0 + hw_bufsize / 4,
-		      u1 = y1 + hw_bufsize / 2,
-		      v1 = u1 + hw_bufsize / 4;
-
-	reg_w(sd, 0x00, 0xff00); /* power off */
-	reg_w(sd, 0x00, 0xbf10); /* power on */
-
-	reg_w(sd, 0x03, 0x405d); /* DRAM timings */
-	reg_w(sd, 0x04, 0x0030); /* SDRAM timings */
-
-	reg_w(sd, 0x20, y0 & 0xffff); /* Y buf.0, low */
-	reg_w(sd, 0x21, y0 >> 16);    /* Y buf.0, high */
-	reg_w(sd, 0x24, u0 & 0xffff); /* U buf.0, low */
-	reg_w(sd, 0x25, u0 >> 16);    /* U buf.0, high */
-	reg_w(sd, 0x28, v0 & 0xffff); /* V buf.0, low */
-	reg_w(sd, 0x29, v0 >> 16);    /* V buf.0, high */
-
-	reg_w(sd, 0x22, y1 & 0xffff); /* Y buf.1, low */
-	reg_w(sd, 0x23, y1 >> 16);    /* Y buf.1, high */
-	reg_w(sd, 0x26, u1 & 0xffff); /* U buf.1, low */
-	reg_w(sd, 0x27, u1 >> 16);    /* U buf.1, high */
-	reg_w(sd, 0x2a, v1 & 0xffff); /* V buf.1, low */
-	reg_w(sd, 0x2b, v1 >> 16);    /* V buf.1, high */
-
-	reg_w(sd, 0x32, y1 & 0xffff); /* JPEG buf 0 low */
-	reg_w(sd, 0x33, y1 >> 16);    /* JPEG buf 0 high */
-
-	reg_w(sd, 0x34, y1 & 0xffff); /* JPEG buf 1 low */
-	reg_w(sd, 0x35, y1 >> 16);    /* JPEG bug 1 high */
-
-	reg_w(sd, 0x36, 0x0000);/* JPEG restart interval */
-	reg_w(sd, 0x37, 0x0804);/*JPEG VLE FIFO threshold*/
-	reg_w(sd, 0x38, 0x0000);/* disable hw up-scaling */
-	reg_w(sd, 0x3f, 0x0000); /* JPEG/MCTL test data */
-}
-
-static void w9968cf_set_crop_window(struct sd *sd)
-{
-	int start_cropx, start_cropy,  x, y, fw, fh, cw, ch,
-	    max_width, max_height;
-
-	if (sd->sif) {
-		max_width  = 352;
-		max_height = 288;
-	} else {
-		max_width  = 640;
-		max_height = 480;
-	}
-
-	if (sd->sensor == SEN_OV7620) {
-		/*
-		 * Sigh, this is dependend on the clock / framerate changes
-		 * made by the frequency control, sick.
-		 *
-		 * Note we cannot use v4l2_ctrl_g_ctrl here, as we get called
-		 * from ov519.c:setfreq() with the ctrl lock held!
-		 */
-		if (sd->freq->val == 1) {
-			start_cropx = 277;
-			start_cropy = 37;
-		} else {
-			start_cropx = 105;
-			start_cropy = 37;
-		}
-	} else {
-		start_cropx = 320;
-		start_cropy = 35;
-	}
-
-	/* Work around to avoid FP arithmetics */
-	#define SC(x) ((x) << 10)
-
-	/* Scaling factors */
-	fw = SC(sd->gspca_dev.width) / max_width;
-	fh = SC(sd->gspca_dev.height) / max_height;
-
-	cw = (fw >= fh) ? max_width : SC(sd->gspca_dev.width) / fh;
-	ch = (fw >= fh) ? SC(sd->gspca_dev.height) / fw : max_height;
-
-	sd->sensor_width = max_width;
-	sd->sensor_height = max_height;
-
-	x = (max_width - cw) / 2;
-	y = (max_height - ch) / 2;
-
-	reg_w(sd, 0x10, start_cropx + x);
-	reg_w(sd, 0x11, start_cropy + y);
-	reg_w(sd, 0x12, start_cropx + x + cw);
-	reg_w(sd, 0x13, start_cropy + y + ch);
-}
-
-static void w9968cf_mode_init_regs(struct sd *sd)
-{
-	int val, vs_polarity, hs_polarity;
-
-	w9968cf_set_crop_window(sd);
-
-	reg_w(sd, 0x14, sd->gspca_dev.width);
-	reg_w(sd, 0x15, sd->gspca_dev.height);
-
-	/* JPEG width & height */
-	reg_w(sd, 0x30, sd->gspca_dev.width);
-	reg_w(sd, 0x31, sd->gspca_dev.height);
-
-	/* Y & UV frame buffer strides (in WORD) */
-	if (w9968cf_vga_mode[sd->gspca_dev.curr_mode].pixelformat ==
-	    V4L2_PIX_FMT_JPEG) {
-		reg_w(sd, 0x2c, sd->gspca_dev.width / 2);
-		reg_w(sd, 0x2d, sd->gspca_dev.width / 4);
-	} else
-		reg_w(sd, 0x2c, sd->gspca_dev.width);
-
-	reg_w(sd, 0x00, 0xbf17); /* reset everything */
-	reg_w(sd, 0x00, 0xbf10); /* normal operation */
-
-	/* Transfer size in WORDS (for UYVY format only) */
-	val = sd->gspca_dev.width * sd->gspca_dev.height;
-	reg_w(sd, 0x3d, val & 0xffff); /* low bits */
-	reg_w(sd, 0x3e, val >> 16);    /* high bits */
-
-	if (w9968cf_vga_mode[sd->gspca_dev.curr_mode].pixelformat ==
-	    V4L2_PIX_FMT_JPEG) {
-		/* We may get called multiple times (usb isoc bw negotiat.) */
-		jpeg_define(sd->jpeg_hdr, sd->gspca_dev.height,
-			    sd->gspca_dev.width, 0x22); /* JPEG 420 */
-		jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual));
-		w9968cf_upload_quantizationtables(sd);
-		v4l2_ctrl_grab(sd->jpegqual, true);
-	}
-
-	/* Video Capture Control Register */
-	if (sd->sensor == SEN_OV7620) {
-		/* Seems to work around a bug in the image sensor */
-		vs_polarity = 1;
-		hs_polarity = 1;
-	} else {
-		vs_polarity = 1;
-		hs_polarity = 0;
-	}
-
-	val = (vs_polarity << 12) | (hs_polarity << 11);
-
-	/* NOTE: We may not have enough memory to do double buffering while
-	   doing compression (amount of memory differs per model cam).
-	   So we use the second image buffer also as jpeg stream buffer
-	   (see w9968cf_init), and disable double buffering. */
-	if (w9968cf_vga_mode[sd->gspca_dev.curr_mode].pixelformat ==
-	    V4L2_PIX_FMT_JPEG) {
-		/* val |= 0x0002; YUV422P */
-		val |= 0x0003; /* YUV420P */
-	} else
-		val |= 0x0080; /* Enable HW double buffering */
-
-	/* val |= 0x0020; enable clamping */
-	/* val |= 0x0008; enable (1-2-1) filter */
-	/* val |= 0x000c; enable (2-3-6-3-2) filter */
-
-	val |= 0x8000; /* capt. enable */
-
-	reg_w(sd, 0x16, val);
-
-	sd->gspca_dev.empty_packet = 0;
-}
-
-static void w9968cf_stop0(struct sd *sd)
-{
-	v4l2_ctrl_grab(sd->jpegqual, false);
-	reg_w(sd, 0x39, 0x0000); /* disable JPEG encoder */
-	reg_w(sd, 0x16, 0x0000); /* stop video capture */
-}
-
-/* The w9968cf docs say that a 0 sized packet means EOF (and also SOF
-   for the next frame). This seems to simply not be true when operating
-   in JPEG mode, in this case there may be empty packets within the
-   frame. So in JPEG mode use the JPEG SOI marker to detect SOF.
-
-   Note to make things even more interesting the w9968cf sends *PLANAR* jpeg,
-   to be precise it sends: SOI, SOF, DRI, SOS, Y-data, SOS, U-data, SOS,
-   V-data, EOI. */
-static void w9968cf_pkt_scan(struct gspca_dev *gspca_dev,
-			u8 *data,			/* isoc packet */
-			int len)			/* iso packet length */
-{
-	struct sd *sd = (struct sd *) gspca_dev;
-
-	if (w9968cf_vga_mode[gspca_dev->curr_mode].pixelformat ==
-	    V4L2_PIX_FMT_JPEG) {
-		if (len >= 2 &&
-		    data[0] == 0xff &&
-		    data[1] == 0xd8) {
-			gspca_frame_add(gspca_dev, LAST_PACKET,
-					NULL, 0);
-			gspca_frame_add(gspca_dev, FIRST_PACKET,
-					sd->jpeg_hdr, JPEG_HDR_SZ);
-			/* Strip the ff d8, our own header (which adds
-			   huffman and quantization tables) already has this */
-			len -= 2;
-			data += 2;
-		}
-	} else {
-		/* In UYVY mode an empty packet signals EOF */
-		if (gspca_dev->empty_packet) {
-			gspca_frame_add(gspca_dev, LAST_PACKET,
-						NULL, 0);
-			gspca_frame_add(gspca_dev, FIRST_PACKET,
-					NULL, 0);
-			gspca_dev->empty_packet = 0;
-		}
-	}
-	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
-}