33 	struct gspca_dev gspca_dev;	/* !! must be the first item */  member
46 static void reg_w(struct gspca_dev *gspca_dev,  in reg_w()  argument
49 	struct usb_device *dev = gspca_dev->dev;  in reg_w()
52 	if (gspca_dev->usb_err < 0)  in reg_w()
64 		gspca_dev->usb_err = ret;  in reg_w()
69 static int sd_config(struct gspca_dev *gspca_dev,  in sd_config()  argument
72 	gspca_dev->cam.cam_mode = vga_mode;  in sd_config()
73 	gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode);  in sd_config()
74 	gspca_dev->cam.no_urb_create = 1;  in sd_config()
79 static int sd_init(struct gspca_dev *gspca_dev)  in sd_init()  argument
85 static int sd_start(struct gspca_dev *gspca_dev)  in sd_start()  argument
102 		gspca_dev->urb[n] = urb;  in sd_start()
103 		urb->transfer_buffer = usb_alloc_coherent(gspca_dev->dev,  in sd_start()
112 		urb->dev = gspca_dev->dev;  in sd_start()
113 		urb->context = gspca_dev;  in sd_start()
115 		urb->pipe = usb_rcvisocpipe(gspca_dev->dev,  in sd_start()
128 	return gspca_dev->usb_err;  in sd_start()
131 static void sd_stopN(struct gspca_dev *gspca_dev)  in sd_stopN()  argument
135 	reg_w(gspca_dev, 0x003c, 0x0003);  in sd_stopN()
136 	reg_w(gspca_dev, 0x003c, 0x0004);  in sd_stopN()
137 	reg_w(gspca_dev, 0x003c, 0x0005);  in sd_stopN()
138 	reg_w(gspca_dev, 0x003c, 0x0006);  in sd_stopN()
139 	reg_w(gspca_dev, 0x003c, 0x0007);  in sd_stopN()
141 	intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);  in sd_stopN()
142 	usb_set_interface(gspca_dev->dev, gspca_dev->iface,  in sd_stopN()
146 static void sd_pkt_scan(struct gspca_dev *gspca_dev,  in sd_pkt_scan()  argument
156 	struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;  in sd_isoc_irq()  local
162 	if (!gspca_dev->streaming)  in sd_isoc_irq()
168 		if (gspca_dev->frozen)  in sd_isoc_irq()
176 	if (urb == gspca_dev->urb[0] || urb == gspca_dev->urb[2])  in sd_isoc_irq()
180 	if (urb == gspca_dev->urb[1])  in sd_isoc_irq()
181 		urb0 = gspca_dev->urb[0];  in sd_isoc_irq()
183 		urb0 = gspca_dev->urb[2];  in sd_isoc_irq()
192 			gspca_dev->last_packet_type = DISCARD_PACKET;  in sd_isoc_irq()
201 			gspca_dev->last_packet_type = DISCARD_PACKET;  in sd_isoc_irq()
226 			gspca_frame_add(gspca_dev, LAST_PACKET,  in sd_isoc_irq()
228 			gspca_frame_add(gspca_dev, FIRST_PACKET,  in sd_isoc_irq()
231 			gspca_frame_add(gspca_dev, INTER_PACKET,  in sd_isoc_irq()
234 			gspca_dev->last_packet_type = DISCARD_PACKET;  in sd_isoc_irq()
239 			gspca_frame_add(gspca_dev, INTER_PACKET,  in sd_isoc_irq()