Hi,
On 03/24/2014 11:41 PM, Robert Butora wrote:
> This patch does not modify existing drivers. It adds subdriver
> to gspca for DTCS033 (Scopium) webcam for astrophotography.
> The patch adds dtcs033.c and modifies Kconfig and Makefile.
>
> Signed-off-by: Robert Butora <robert.butora.fi@xxxxxxxxx>
Thanks, I've added this to my gspca tree, and I'll include it
in my next pull-req.
Regards,
Hans
> ---
> drivers/media/usb/gspca/Kconfig | 10 +
> drivers/media/usb/gspca/Makefile | 2 +
> drivers/media/usb/gspca/dtcs033.c | 434 ++++++++++++++++++++++++++++++++++++++
> 3 files changed, 446 insertions(+)
> create mode 100644 drivers/media/usb/gspca/dtcs033.c
>
> diff --git a/drivers/media/usb/gspca/Kconfig b/drivers/media/usb/gspca/Kconfig
> index 4f0c6d5..eed10d7 100644
> --- a/drivers/media/usb/gspca/Kconfig
> +++ b/drivers/media/usb/gspca/Kconfig
> @@ -50,6 +50,16 @@ config USB_GSPCA_CPIA1
> To compile this driver as a module, choose M here: the
> module will be called gspca_cpia1.
>
> +config USB_GSPCA_DTCS033
> + tristate "DTCS033 (Scopium) USB Astro-Camera Driver"
> + depends on VIDEO_V4L2 && USB_GSPCA
> + help
> + Say Y here if you want support for the Scopium camera
> + for planetary astrophotography.
> +
> + To compile this driver as a module, choose M here: the
> + module will be called gspca_dtcs033.
> +
> config USB_GSPCA_ETOMS
> tristate "Etoms USB Camera Driver"
> depends on VIDEO_V4L2 && USB_GSPCA
> diff --git a/drivers/media/usb/gspca/Makefile b/drivers/media/usb/gspca/Makefile
> index 5855131..f46975e 100644
> --- a/drivers/media/usb/gspca/Makefile
> +++ b/drivers/media/usb/gspca/Makefile
> @@ -2,6 +2,7 @@ obj-$(CONFIG_USB_GSPCA) += gspca_main.o
> obj-$(CONFIG_USB_GSPCA_BENQ) += gspca_benq.o
> obj-$(CONFIG_USB_GSPCA_CONEX) += gspca_conex.o
> obj-$(CONFIG_USB_GSPCA_CPIA1) += gspca_cpia1.o
> +obj-$(CONFIG_USB_GSPCA_DTCS033) += gspca_dtcs033.o
> obj-$(CONFIG_USB_GSPCA_ETOMS) += gspca_etoms.o
> obj-$(CONFIG_USB_GSPCA_FINEPIX) += gspca_finepix.o
> obj-$(CONFIG_USB_GSPCA_JEILINJ) += gspca_jeilinj.o
> @@ -48,6 +49,7 @@ gspca_main-objs := gspca.o autogain_functions.o
> gspca_benq-objs := benq.o
> gspca_conex-objs := conex.o
> gspca_cpia1-objs := cpia1.o
> +gspca_dtcs033-objs := dtcs033.o
> gspca_etoms-objs := etoms.o
> gspca_finepix-objs := finepix.o
> gspca_jeilinj-objs := jeilinj.o
> diff --git a/drivers/media/usb/gspca/dtcs033.c b/drivers/media/usb/gspca/dtcs033.c
> new file mode 100644
> index 0000000..ebe48a1
> --- /dev/null
> +++ b/drivers/media/usb/gspca/dtcs033.c
> @@ -0,0 +1,434 @@
> +/*
> + * Subdriver for Scopium astro-camera (DTCS033, 0547:7303)
> + *
> + * Copyright (C) 2014 Robert Butora (robert.butora.fi@xxxxxxxxx)
> + *
> + * 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.
> + */
> +
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +#define MODULE_NAME "dtcs033"
> +#include "gspca.h"
> +
> +MODULE_AUTHOR("Robert Butora <robert.butora.fi@xxxxxxxxx>");
> +MODULE_DESCRIPTION("Scopium DTCS033 astro-cam USB Camera Driver");
> +MODULE_LICENSE("GPL");
> +
> +
> +/* send a usb request */
> +static void reg_rw(struct gspca_dev *gspca_dev,
> + u8 bRequestType, u8 bRequest,
> + u16 wValue, u16 wIndex, u16 wLength)
> +{
> + struct usb_device *udev = gspca_dev->dev;
> + int ret;
> +
> + if (gspca_dev->usb_err < 0)
> + return;
> +
> + ret = usb_control_msg(udev,
> + usb_rcvctrlpipe(udev, 0),
> + bRequest,
> + bRequestType,
> + wValue, wIndex,
> + gspca_dev->usb_buf, wLength, 500);
> +
> + if (ret < 0) {
> + gspca_dev->usb_err = ret;
> + pr_err("usb_control_msg error %d\n", ret);
> + }
> +
> + return;
> +}
> +/* send several usb in/out requests */
> +static int reg_reqs(struct gspca_dev *gspca_dev,
> + const struct usb_ctrlrequest *preqs, int n_reqs)
> +{
> + int i = 0;
> + const struct usb_ctrlrequest *preq;
> +
> + while ((i < n_reqs) && (gspca_dev->usb_err >= 0)) {
> +
> + preq = &preqs[i];
> +
> + reg_rw(gspca_dev, preq->bRequestType, preq->bRequest,
> + preq->wValue, preq->wIndex, preq->wLength);
> +
> + if (gspca_dev->usb_err < 0) {
> +
> + PERR("usb error request no: %d / %d\n",
> + i, n_reqs);
> + } else if (preq->bRequestType & USB_DIR_IN) {
> +
> + PDEBUG(D_STREAM,
> + "USB IN (%d) returned[%d] %02X %02X %02X %s",
> + i,
> + preq->wLength,
> + gspca_dev->usb_buf[0],
> + gspca_dev->usb_buf[1],
> + gspca_dev->usb_buf[2],
> + preq->wLength > 3 ? "...\n" : "\n");
> + }
> +
> + i++;
> + }
> + return gspca_dev->usb_err;
> +}
> +
> +/* -- subdriver interface implementation -- */
> +
> +#define DT_COLS (640)
> +static const struct v4l2_pix_format dtcs033_mode[] = {
> + /* raw Bayer patterned output */
> + {DT_COLS, 480, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE,
> + .bytesperline = DT_COLS,
> + .sizeimage = DT_COLS*480,
> + .colorspace = V4L2_COLORSPACE_SRGB,
> + },
> + /* this mode will demosaic the Bayer pattern */
> + {DT_COLS, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE,
> + .bytesperline = DT_COLS,
> + .sizeimage = DT_COLS*480,
> + .colorspace = V4L2_COLORSPACE_SRGB,
> + }
> +};
> +
> +/* config called at probe time */
> +static int sd_config(struct gspca_dev *gspca_dev,
> + const struct usb_device_id *id)
> +{
> + gspca_dev->cam.cam_mode = dtcs033_mode;
> + gspca_dev->cam.nmodes = ARRAY_SIZE(dtcs033_mode);
> +
> + gspca_dev->cam.bulk = 1;
> + gspca_dev->cam.bulk_nurbs = 1;
> + gspca_dev->cam.bulk_size = DT_COLS*512;
> +
> + return 0;
> +}
> +
> +/* init called at probe and resume time */
> +static int sd_init(struct gspca_dev *gspca_dev)
> +{
> + return 0;
> +}
> +
> +/* start stop the camera */
> +static int dtcs033_start(struct gspca_dev *gspca_dev);
> +static void dtcs033_stopN(struct gspca_dev *gspca_dev);
> +
> +/* intercept camera image data */
> +static void dtcs033_pkt_scan(struct gspca_dev *gspca_dev,
> + u8 *data, /* packet data */
> + int len) /* packet data length */
> +{
> + /* drop incomplete frames */
> + if (len != DT_COLS*512) {
> + gspca_dev->last_packet_type = DISCARD_PACKET;
> + /* gspca.c: discard invalidates the whole frame. */
> + return;
> + }
> +
> + /* forward complete frames */
> + gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
> + gspca_frame_add(gspca_dev, INTER_PACKET,
> + data + 16*DT_COLS,
> + len - 32*DT_COLS); /* skip first & last 16 lines */
> + gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
> +
> + return;
> +}
> +
> +/* -- controls: exposure and gain -- */
> +
> +static void dtcs033_setexposure(struct gspca_dev *gspca_dev,
> + s32 expo, s32 gain)
> +{
> + /* gain [dB] encoding */
> + u16 sGain = (u16)gain;
> + u16 gainVal = 224+(sGain-14)*(768-224)/(33-14);
> + u16 wIndex = 0x0100|(0x00FF&gainVal);
> + u16 wValue = (0xFF00&gainVal)>>8;
> +
> + /* exposure time [msec] encoding */
> + u16 sXTime = (u16)expo;
> + u16 xtimeVal = (524*(150-(sXTime-1)))/150;
> +
> + const u8 bRequestType = \
> + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
> + const u8 bRequest = 0x18;
> +
> + reg_rw(gspca_dev,
> + bRequestType, bRequest, wValue, wIndex, 0);
> + if (gspca_dev->usb_err < 0)
> + PERR("usb error in setexposure(gain) sequence.\n");
> +
> + reg_rw(gspca_dev,
> + bRequestType, bRequest, (xtimeVal<<4), 0x6300, 0);
> + if (gspca_dev->usb_err < 0)
> + PERR("usb error in setexposure(time) sequence.\n");
> +}
> +
> +/* specific webcam descriptor */
> +struct sd {
> + struct gspca_dev gspca_dev;/* !! must be the first item */
> +
> + /* exposure & gain controls */
> + struct {
> + struct v4l2_ctrl *exposure;
> + struct v4l2_ctrl *gain;
> + };
> +};
> +
> +static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
> +{
> + struct gspca_dev *gspca_dev =
> + container_of(ctrl->handler,
> + struct gspca_dev, ctrl_handler);
> + struct sd *sd = (struct sd *) gspca_dev;
> +
> + gspca_dev->usb_err = 0;
> +
> + if (!gspca_dev->streaming)
> + return 0;
> +
> + switch (ctrl->id) {
> + case V4L2_CID_EXPOSURE:
> + dtcs033_setexposure(gspca_dev,
> + ctrl->val, sd->gain->val);
> + break;
> + case V4L2_CID_GAIN:
> + dtcs033_setexposure(gspca_dev,
> + sd->exposure->val, ctrl->val);
> + break;
> + }
> + return gspca_dev->usb_err;
> +}
> +
> +static const struct v4l2_ctrl_ops sd_ctrl_ops = {
> + .s_ctrl = sd_s_ctrl,
> +};
> +
> +static int dtcs033_init_controls(struct gspca_dev *gspca_dev)
> +{
> + struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
> + struct sd *sd = (struct sd *) gspca_dev;
> +
> + gspca_dev->vdev.ctrl_handler = hdl;
> + v4l2_ctrl_handler_init(hdl, 2);
> + /* min max step default */
> + sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
> + V4L2_CID_EXPOSURE,
> + 1, 150, 1, 75);/* [msec] */
> + sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
> + V4L2_CID_GAIN,
> + 14, 33, 1, 24);/* [dB] */
> + if (hdl->error) {
> + PERR("Could not initialize controls: %d\n",
> + hdl->error);
> + return hdl->error;
> + }
> +
> + v4l2_ctrl_cluster(2, &sd->exposure);
> + return 0;
> +}
> +
> +/* sub-driver description */
> +static const struct sd_desc sd_desc = {
> + .name = MODULE_NAME,
> + .config = sd_config,
> + .init = sd_init,
> + .start = dtcs033_start,
> + .stopN = dtcs033_stopN,
> + .pkt_scan = dtcs033_pkt_scan,
> + .init_controls = dtcs033_init_controls,
> +};
> +
> +/* -- module initialisation -- */
> +
> +static const struct usb_device_id device_table[] = {
> + {USB_DEVICE(0x0547, 0x7303)},
> + {}
> +};
> +MODULE_DEVICE_TABLE(usb, device_table);
> +
> +/* device connect */
> +static int sd_probe(struct usb_interface *intf,
> + const struct usb_device_id *id)
> +{
> + return gspca_dev_probe(intf, id,
> + &sd_desc, sizeof(struct sd),
> + THIS_MODULE);
> +}
> +
> +static struct usb_driver sd_driver = {
> + .name = MODULE_NAME,
> + .id_table = device_table,
> + .probe = sd_probe,
> + .disconnect = gspca_disconnect,
> +#ifdef CONFIG_PM
> + .suspend = gspca_suspend,
> + .resume = gspca_resume,
> + .reset_resume = gspca_resume,
> +#endif
> +};
> +module_usb_driver(sd_driver);
> +
> +
> +/* ---------------------------------------------------------
> + USB requests to start/stop the camera [USB 2.0 spec Ch.9].
> +
> + bRequestType :
> + 0x40 = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
> + 0xC0 = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
> +*/
> +static const struct usb_ctrlrequest dtcs033_start_reqs[] = {
> +/* -- bRequest,wValue,wIndex,wLength */
> +{ 0x40, 0x01, 0x0001, 0x000F, 0x0000 },
> +{ 0x40, 0x01, 0x0000, 0x000F, 0x0000 },
> +{ 0x40, 0x01, 0x0001, 0x000F, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x7F00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1001, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0004, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x7F01, 0x0000 },
> +{ 0x40, 0x18, 0x30E0, 0x0009, 0x0000 },
> +{ 0x40, 0x18, 0x0500, 0x012C, 0x0000 },
> +{ 0x40, 0x18, 0x0380, 0x0200, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x035C, 0x0000 },
> +{ 0x40, 0x18, 0x05C0, 0x0438, 0x0000 },
> +{ 0x40, 0x18, 0x0440, 0x0500, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0668, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0700, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0800, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0900, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0A00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0B00, 0x0000 },
> +{ 0x40, 0x18, 0x30E0, 0x6009, 0x0000 },
> +{ 0x40, 0x18, 0x0500, 0x612C, 0x0000 },
> +{ 0x40, 0x18, 0x2090, 0x6274, 0x0000 },
> +{ 0x40, 0x18, 0x05C0, 0x6338, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6400, 0x0000 },
> +{ 0x40, 0x18, 0x05C0, 0x6538, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6600, 0x0000 },
> +{ 0x40, 0x18, 0x0680, 0x6744, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6800, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6900, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6A00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6B00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6C00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6D00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6E00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x808C, 0x0000 },
> +{ 0x40, 0x18, 0x0010, 0x8101, 0x0000 },
> +{ 0x40, 0x18, 0x30E0, 0x8200, 0x0000 },
> +{ 0x40, 0x18, 0x0810, 0x832C, 0x0000 },
> +{ 0x40, 0x18, 0x0680, 0x842B, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x8500, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x8600, 0x0000 },
> +{ 0x40, 0x18, 0x0280, 0x8715, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x880C, 0x0000 },
> +{ 0x40, 0x18, 0x0010, 0x8901, 0x0000 },
> +{ 0x40, 0x18, 0x30E0, 0x8A00, 0x0000 },
> +{ 0x40, 0x18, 0x0810, 0x8B2C, 0x0000 },
> +{ 0x40, 0x18, 0x0680, 0x8C2B, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x8D00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x8E00, 0x0000 },
> +{ 0x40, 0x18, 0x0280, 0x8F15, 0x0000 },
> +{ 0x40, 0x18, 0x0010, 0xD040, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0xD100, 0x0000 },
> +{ 0x40, 0x18, 0x00B0, 0xD20A, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0xD300, 0x0000 },
> +{ 0x40, 0x18, 0x30E2, 0xD40D, 0x0000 },
> +{ 0x40, 0x18, 0x0001, 0xD5C0, 0x0000 },
> +{ 0x40, 0x18, 0x00A0, 0xD60A, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0xD700, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x7F00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1501, 0x0000 },
> +{ 0x40, 0x18, 0x0001, 0x01FF, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0200, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0304, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1101, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1201, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1300, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1400, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1601, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1800, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1900, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1A00, 0x0000 },
> +{ 0x40, 0x18, 0x2000, 0x1B00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1C00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x2100, 0x0000 },
> +{ 0x40, 0x18, 0x00C0, 0x228E, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x3001, 0x0000 },
> +{ 0x40, 0x18, 0x0010, 0x3101, 0x0000 },
> +{ 0x40, 0x18, 0x0008, 0x3301, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x3400, 0x0000 },
> +{ 0x40, 0x18, 0x0012, 0x3549, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x3620, 0x0000 },
> +{ 0x40, 0x18, 0x0001, 0x3700, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x4000, 0x0000 },
> +{ 0x40, 0x18, 0xFFFF, 0x41FF, 0x0000 },
> +{ 0x40, 0x18, 0xFFFF, 0x42FF, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x500F, 0x0000 },
> +{ 0x40, 0x18, 0x2272, 0x5108, 0x0000 },
> +{ 0x40, 0x18, 0x2272, 0x5208, 0x0000 },
> +{ 0x40, 0x18, 0xFFFF, 0x53FF, 0x0000 },
> +{ 0x40, 0x18, 0xFFFF, 0x54FF, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6000, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6102, 0x0000 },
> +{ 0x40, 0x18, 0x0010, 0x6214, 0x0000 },
> +{ 0x40, 0x18, 0x0C80, 0x6300, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6401, 0x0000 },
> +{ 0x40, 0x18, 0x0680, 0x6551, 0x0000 },
> +{ 0x40, 0x18, 0xFFFF, 0x66FF, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6702, 0x0000 },
> +{ 0x40, 0x18, 0x0010, 0x6800, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6900, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6A00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6B00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6C00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6D01, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6E00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x6F00, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x7000, 0x0000 },
> +{ 0x40, 0x18, 0x0001, 0x7118, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x2001, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1101, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1301, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1300, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1501, 0x0000 },
> +{ 0xC0, 0x11, 0x0000, 0x24C0, 0x0003 },
> +{ 0x40, 0x18, 0x0000, 0x3000, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x3620, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x1501, 0x0000 },
> +{ 0x40, 0x18, 0x0010, 0x6300, 0x0000 },
> +{ 0x40, 0x18, 0x0002, 0x01F0, 0x0000 },
> +{ 0x40, 0x01, 0x0003, 0x000F, 0x0000 }
> +};
> +
> +static const struct usb_ctrlrequest dtcs033_stop_reqs[] = {
> +/* -- bRequest,wValue,wIndex,wLength */
> +{ 0x40, 0x01, 0x0001, 0x000F, 0x0000 },
> +{ 0x40, 0x01, 0x0000, 0x000F, 0x0000 },
> +{ 0x40, 0x18, 0x0000, 0x0003, 0x0000 }
> +};
> +static int dtcs033_start(struct gspca_dev *gspca_dev)
> +{
> + return reg_reqs(gspca_dev, dtcs033_start_reqs,
> + ARRAY_SIZE(dtcs033_start_reqs));
> +}
> +
> +static void dtcs033_stopN(struct gspca_dev *gspca_dev)
> +{
> + reg_reqs(gspca_dev, dtcs033_stop_reqs,
> + ARRAY_SIZE(dtcs033_stop_reqs));
> + return;
> +}
>
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