33 	struct gspca_dev gspca_dev;		/* !! must be the first item */  member
1244 static int reg_write(struct gspca_dev *gspca_dev, u16 index, u16 value)  in reg_write()  argument
1247 	struct usb_device *dev = gspca_dev->dev;  in reg_write()
1263 static int reg_read(struct gspca_dev *gspca_dev,  in reg_read()  argument
1268 	ret = usb_control_msg(gspca_dev->dev,  in reg_read()
1269 			usb_rcvctrlpipe(gspca_dev->dev, 0),  in reg_read()
1274 			gspca_dev->usb_buf, 1,  in reg_read()
1277 		index, gspca_dev->usb_buf[0]);  in reg_read()
1282 	return gspca_dev->usb_buf[0];  in reg_read()
1286 static int ssi_w(struct gspca_dev *gspca_dev,  in ssi_w()  argument
1291 	ret = reg_write(gspca_dev, 0x8802, reg >> 8);  in ssi_w()
1294 	ret = reg_write(gspca_dev, 0x8801, reg & 0x00ff);  in ssi_w()
1298 		ret = reg_write(gspca_dev, 0x8805, val & 0x00ff);  in ssi_w()
1303 	ret = reg_write(gspca_dev, 0x8800, val);  in ssi_w()
1310 		ret = reg_read(gspca_dev, 0x8803);  in ssi_w()
1313 		if (gspca_dev->usb_buf[0] == 0)  in ssi_w()
1316 			PERR("ssi_w busy %02x", gspca_dev->usb_buf[0]);  in ssi_w()
1327 static int write_vector(struct gspca_dev *gspca_dev,  in write_vector()  argument
1337 				ret = reg_write(gspca_dev, (*data)[1],  in write_vector()
1340 			ret = ssi_w(gspca_dev, (*data)[1], (*data)[0]);  in write_vector()
1350 static int sd_config(struct gspca_dev *gspca_dev,  in sd_config()  argument
1353 	struct sd *sd = (struct sd *) gspca_dev;  in sd_config()
1370 	data1 = reg_read(gspca_dev, 0x8104);  in sd_config()
1371 	data2 = reg_read(gspca_dev, 0x8105);  in sd_config()
1374 	data1 = reg_read(gspca_dev, 0x8106);  in sd_config()
1375 	data2 = reg_read(gspca_dev, 0x8107);  in sd_config()
1378 	data1 = reg_read(gspca_dev, 0x8621);  in sd_config()
1381 	cam = &gspca_dev->cam;  in sd_config()
1388 	return write_vector(gspca_dev, init_data);  in sd_config()
1392 static int sd_init(struct gspca_dev *gspca_dev)  in sd_init()  argument
1397 static int sd_start(struct gspca_dev *gspca_dev)  in sd_start()  argument
1401 	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;  in sd_start()
1402 	reg_write(gspca_dev, 0x8500, mode);  in sd_start()
1406 		reg_write(gspca_dev, 0x8700, 0x28); /* clock */  in sd_start()
1411 		reg_write(gspca_dev, 0x8700, 0x23); /* clock */  in sd_start()
1414 	reg_write(gspca_dev, 0x8112, 0x10 | 0x20);  in sd_start()
1418 static void sd_stopN(struct gspca_dev *gspca_dev)  in sd_stopN()  argument
1421 	reg_write(gspca_dev, 0x8112, 0x20);  in sd_stopN()
1424 static void sd_pkt_scan(struct gspca_dev *gspca_dev,  in sd_pkt_scan()  argument
1430 		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);  in sd_pkt_scan()
1433 		gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);  in sd_pkt_scan()
1440 		gspca_frame_add(gspca_dev, INTER_PACKET, data, len);  in sd_pkt_scan()
1445 static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)  in setbrightness()  argument
1448 	reg_write(gspca_dev, 0x8651, brightness);  in setbrightness()
1449 	reg_write(gspca_dev, 0x8652, brightness);  in setbrightness()
1450 	reg_write(gspca_dev, 0x8653, brightness);  in setbrightness()
1451 	reg_write(gspca_dev, 0x8654, brightness);  in setbrightness()
1456 	struct gspca_dev *gspca_dev =  in sd_s_ctrl()  local
1457 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);  in sd_s_ctrl()
1459 	gspca_dev->usb_err = 0;  in sd_s_ctrl()
1461 	if (!gspca_dev->streaming)  in sd_s_ctrl()
1466 		setbrightness(gspca_dev, ctrl->val);  in sd_s_ctrl()
1469 	return gspca_dev->usb_err;  in sd_s_ctrl()
1476 static int sd_init_controls(struct gspca_dev *gspca_dev)  in sd_init_controls()  argument
1478 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;  in sd_init_controls()
1480 	gspca_dev->vdev.ctrl_handler = hdl;  in sd_init_controls()