34 static void reg_rw(struct gspca_dev *gspca_dev,  in reg_rw()  argument
38 	struct usb_device *udev = gspca_dev->dev;  in reg_rw()
41 	if (gspca_dev->usb_err < 0)  in reg_rw()
49 		gspca_dev->usb_buf, wLength, 500);  in reg_rw()
52 		gspca_dev->usb_err = ret;  in reg_rw()
59 static int reg_reqs(struct gspca_dev *gspca_dev,  in reg_reqs()  argument
65 	while ((i < n_reqs) && (gspca_dev->usb_err >= 0)) {  in reg_reqs()
69 		reg_rw(gspca_dev, preq->bRequestType, preq->bRequest,  in reg_reqs()
72 		if (gspca_dev->usb_err < 0) {  in reg_reqs()
82 				gspca_dev->usb_buf[0],  in reg_reqs()
83 				gspca_dev->usb_buf[1],  in reg_reqs()
84 				gspca_dev->usb_buf[2],  in reg_reqs()
90 	return gspca_dev->usb_err;  in reg_reqs()
112 static int sd_config(struct gspca_dev *gspca_dev,  in sd_config()  argument
115 	gspca_dev->cam.cam_mode = dtcs033_mode;  in sd_config()
116 	gspca_dev->cam.nmodes = ARRAY_SIZE(dtcs033_mode);  in sd_config()
118 	gspca_dev->cam.bulk = 1;  in sd_config()
119 	gspca_dev->cam.bulk_nurbs = 1;  in sd_config()
120 	gspca_dev->cam.bulk_size = DT_COLS*512;  in sd_config()
126 static int sd_init(struct gspca_dev *gspca_dev)  in sd_init()  argument
132 static int  dtcs033_start(struct gspca_dev *gspca_dev);
133 static void dtcs033_stopN(struct gspca_dev *gspca_dev);
136 static void dtcs033_pkt_scan(struct gspca_dev *gspca_dev,  in dtcs033_pkt_scan()  argument
142 		gspca_dev->last_packet_type = DISCARD_PACKET;  in dtcs033_pkt_scan()
148 	gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);  in dtcs033_pkt_scan()
149 	gspca_frame_add(gspca_dev, INTER_PACKET,  in dtcs033_pkt_scan()
152 	gspca_frame_add(gspca_dev, LAST_PACKET,  NULL, 0);  in dtcs033_pkt_scan()
159 static void dtcs033_setexposure(struct gspca_dev *gspca_dev,  in dtcs033_setexposure()  argument
176 	reg_rw(gspca_dev,  in dtcs033_setexposure()
178 	if (gspca_dev->usb_err < 0)  in dtcs033_setexposure()
181 	reg_rw(gspca_dev,  in dtcs033_setexposure()
183 	if (gspca_dev->usb_err < 0)  in dtcs033_setexposure()
189 	struct gspca_dev gspca_dev;/* !! must be the first item */  member
200 	struct gspca_dev *gspca_dev =  in sd_s_ctrl()  local
202 		struct gspca_dev, ctrl_handler);  in sd_s_ctrl()
203 	struct sd *sd = (struct sd *) gspca_dev;  in sd_s_ctrl()
205 	gspca_dev->usb_err = 0;  in sd_s_ctrl()
207 	if (!gspca_dev->streaming)  in sd_s_ctrl()
212 		dtcs033_setexposure(gspca_dev,  in sd_s_ctrl()
216 		dtcs033_setexposure(gspca_dev,  in sd_s_ctrl()
220 	return gspca_dev->usb_err;  in sd_s_ctrl()
227 static int dtcs033_init_controls(struct gspca_dev *gspca_dev)  in dtcs033_init_controls()  argument
229 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;  in dtcs033_init_controls()
230 	struct sd *sd = (struct sd *) gspca_dev;  in dtcs033_init_controls()
232 	gspca_dev->vdev.ctrl_handler = hdl;  in dtcs033_init_controls()
430 static int dtcs033_start(struct gspca_dev *gspca_dev)  in dtcs033_start()  argument
432 	return reg_reqs(gspca_dev, dtcs033_start_reqs,  in dtcs033_start()
436 static void dtcs033_stopN(struct gspca_dev *gspca_dev)  in dtcs033_stopN()  argument
438 	reg_reqs(gspca_dev, dtcs033_stop_reqs,  in dtcs033_stopN()