94 	int err = -EINVAL;  in pb0100_s_ctrl()  local
98 		err = pb0100_set_autogain(gspca_dev, ctrl->val);  in pb0100_s_ctrl()
99 		if (err)  in pb0100_s_ctrl()
103 		err = pb0100_set_gain(gspca_dev, ctrls->gain->val);  in pb0100_s_ctrl()
104 		if (err)  in pb0100_s_ctrl()
106 		err = pb0100_set_exposure(gspca_dev, ctrls->exposure->val);  in pb0100_s_ctrl()
109 		err = pb0100_set_autogain_target(gspca_dev, ctrl->val);  in pb0100_s_ctrl()
112 	return err;  in pb0100_s_ctrl()
171 	int err;  in pb0100_probe()  local
173 	err = stv06xx_read_sensor(sd, PB_IDENT, &sensor);  in pb0100_probe()
175 	if (err < 0)  in pb0100_probe()
190 	int err, packet_size, max_packet_size;  in pb0100_start()  local
235 	err = stv06xx_write_sensor(sd, PB_CONTROL, BIT(5)|BIT(3)|BIT(1));  in pb0100_start()
236 	PDEBUG(D_STREAM, "Started stream, status: %d", err);  in pb0100_start()
238 	return (err < 0) ? err : 0;  in pb0100_start()
244 	int err;  in pb0100_stop()  local
246 	err = stv06xx_write_sensor(sd, PB_ABORTFRAME, 1);  in pb0100_stop()
248 	if (err < 0)  in pb0100_stop()
252 	err = stv06xx_write_sensor(sd, PB_CONTROL, BIT(5)|BIT(3));  in pb0100_stop()
256 	return (err < 0) ? err : 0;  in pb0100_stop()
332 	int err;  in pb0100_set_gain()  local
336 	err = stv06xx_write_sensor(sd, PB_G1GAIN, val);  in pb0100_set_gain()
337 	if (!err)  in pb0100_set_gain()
338 		err = stv06xx_write_sensor(sd, PB_G2GAIN, val);  in pb0100_set_gain()
339 	PDEBUG(D_CONF, "Set green gain to %d, status: %d", val, err);  in pb0100_set_gain()
341 	if (!err)  in pb0100_set_gain()
342 		err = pb0100_set_red_balance(gspca_dev, ctrls->red->val);  in pb0100_set_gain()
343 	if (!err)  in pb0100_set_gain()
344 		err = pb0100_set_blue_balance(gspca_dev, ctrls->blue->val);  in pb0100_set_gain()
346 	return err;  in pb0100_set_gain()
351 	int err;  in pb0100_set_red_balance()  local
361 	err = stv06xx_write_sensor(sd, PB_RGAIN, val);  in pb0100_set_red_balance()
362 	PDEBUG(D_CONF, "Set red gain to %d, status: %d", val, err);  in pb0100_set_red_balance()
364 	return err;  in pb0100_set_red_balance()
369 	int err;  in pb0100_set_blue_balance()  local
379 	err = stv06xx_write_sensor(sd, PB_BGAIN, val);  in pb0100_set_blue_balance()
380 	PDEBUG(D_CONF, "Set blue gain to %d, status: %d", val, err);  in pb0100_set_blue_balance()
382 	return err;  in pb0100_set_blue_balance()
388 	int err;  in pb0100_set_exposure()  local
390 	err = stv06xx_write_sensor(sd, PB_RINTTIME, val);  in pb0100_set_exposure()
391 	PDEBUG(D_CONF, "Set exposure to %d, status: %d", val, err);  in pb0100_set_exposure()
393 	return err;  in pb0100_set_exposure()
398 	int err;  in pb0100_set_autogain()  local
410 	err = stv06xx_write_sensor(sd, PB_EXPGAIN, val);  in pb0100_set_autogain()
412 	       val, ctrls->natural->val, err);  in pb0100_set_autogain()
414 	return err;  in pb0100_set_autogain()
419 	int err, totalpixels, brightpixels, darkpixels;  in pb0100_set_autogain_target()  local
429 	err = stv06xx_write_sensor(sd, PB_R21, brightpixels);  in pb0100_set_autogain_target()
430 	if (!err)  in pb0100_set_autogain_target()
431 		err = stv06xx_write_sensor(sd, PB_R22, darkpixels);  in pb0100_set_autogain_target()
433 	PDEBUG(D_CONF, "Set autogain target to %d, status: %d", val, err);  in pb0100_set_autogain_target()
435 	return err;  in pb0100_set_autogain_target()