63 	struct gspca_dev gspca_dev;	/* !! must be the first item */  member
89 static int sq905c_command(struct gspca_dev *gspca_dev, u16 command, u16 index)  in sq905c_command()  argument
93 	ret = usb_control_msg(gspca_dev->dev,  in sq905c_command()
94 			      usb_sndctrlpipe(gspca_dev->dev, 0),  in sq905c_command()
107 static int sq905c_read(struct gspca_dev *gspca_dev, u16 command, u16 index,  in sq905c_read()  argument
112 	ret = usb_control_msg(gspca_dev->dev,  in sq905c_read()
113 			      usb_rcvctrlpipe(gspca_dev->dev, 0),  in sq905c_read()
116 			      command, index, gspca_dev->usb_buf, size,  in sq905c_read()
137 	struct gspca_dev *gspca_dev = &dev->gspca_dev;  in sq905c_dostream()  local
151 	while (gspca_dev->present && gspca_dev->streaming) {  in sq905c_dostream()
153 		if (gspca_dev->frozen)  in sq905c_dostream()
157 		ret = usb_bulk_msg(gspca_dev->dev,  in sq905c_dostream()
158 				usb_rcvbulkpipe(gspca_dev->dev, 0x81),  in sq905c_dostream()
172 		gspca_frame_add(gspca_dev, packet_type,  in sq905c_dostream()
174 		while (bytes_left > 0 && gspca_dev->present) {  in sq905c_dostream()
177 			ret = usb_bulk_msg(gspca_dev->dev,  in sq905c_dostream()
178 				usb_rcvbulkpipe(gspca_dev->dev, 0x81),  in sq905c_dostream()
191 			gspca_frame_add(gspca_dev, packet_type,  in sq905c_dostream()
196 	if (gspca_dev->present) {  in sq905c_dostream()
197 		mutex_lock(&gspca_dev->usb_lock);  in sq905c_dostream()
198 		sq905c_command(gspca_dev, SQ905C_CLEAR, 0);  in sq905c_dostream()
199 		mutex_unlock(&gspca_dev->usb_lock);  in sq905c_dostream()
205 static int sd_config(struct gspca_dev *gspca_dev,  in sd_config()  argument
208 	struct cam *cam = &gspca_dev->cam;  in sd_config()
209 	struct sd *dev = (struct sd *) gspca_dev;  in sd_config()
216 	ret = sq905c_command(gspca_dev, SQ905C_GET_ID, 0);  in sd_config()
222 	ret = sq905c_read(gspca_dev, 0xf5, 0, 20);  in sd_config()
230 		gspca_dev->usb_buf[3], 6, gspca_dev->usb_buf + 14);  in sd_config()
234 	if (gspca_dev->usb_buf[15] == 0)  in sd_config()
245 static void sd_stop0(struct gspca_dev *gspca_dev)  in sd_stop0()  argument
247 	struct sd *dev = (struct sd *) gspca_dev;  in sd_stop0()
250 	mutex_unlock(&gspca_dev->usb_lock);  in sd_stop0()
254 	mutex_lock(&gspca_dev->usb_lock);  in sd_stop0()
258 static int sd_init(struct gspca_dev *gspca_dev)  in sd_init()  argument
263 	ret = sq905c_command(gspca_dev, SQ905C_CLEAR, 0);  in sd_init()
268 static int sd_start(struct gspca_dev *gspca_dev)  in sd_start()  argument
270 	struct sd *dev = (struct sd *) gspca_dev;  in sd_start()
273 	dev->cap_mode = gspca_dev->cam.cam_mode;  in sd_start()
275 	switch (gspca_dev->pixfmt.width) {  in sd_start()
279 		ret = sq905c_command(gspca_dev, SQ905C_CAPTURE_HI,  in sd_start()
284 		ret = sq905c_command(gspca_dev, SQ905C_CAPTURE_MED,  in sd_start()