81 	int err = -EINVAL;  in pb0100_s_ctrl()  local
158 	int err;  in pb0100_probe()  local
177 	int err, packet_size, max_packet_size;  in pb0100_start()  local
235 	int err;  in pb0100_stop()  local
321 static int pb0100_set_gain(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_gain()
323 	int err;  in pb0100_set_gain()  local
341 static int pb0100_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_red_balance()
343 	int err;  in pb0100_set_red_balance()  local
360 static int pb0100_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_blue_balance()
362 	int err;  in pb0100_set_blue_balance()  local
379 static int pb0100_set_exposure(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_exposure()
382 	int err;  in pb0100_set_exposure()  local
391 static int pb0100_set_autogain(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_autogain()
393 	int err;  in pb0100_set_autogain()  local
412 static int pb0100_set_autogain_target(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_autogain_target()
414 	int err, totalpixels, brightpixels, darkpixels;  in pb0100_set_autogain_target()  local