98 		err = pb0100_set_autogain(gspca_dev, ctrl->val);  in pb0100_s_ctrl()
101 		if (ctrl->val)  in pb0100_s_ctrl()
103 		err = pb0100_set_gain(gspca_dev, ctrls->gain->val);  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()
330 static int pb0100_set_gain(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_gain()  argument
336 	err = stv06xx_write_sensor(sd, PB_G1GAIN, val);  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()
342 		err = pb0100_set_red_balance(gspca_dev, ctrls->red->val);  in pb0100_set_gain()
344 		err = pb0100_set_blue_balance(gspca_dev, ctrls->blue->val);  in pb0100_set_gain()
349 static int pb0100_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_red_balance()  argument
355 	val += ctrls->gain->val;  in pb0100_set_red_balance()
356 	if (val < 0)  in pb0100_set_red_balance()
357 		val = 0;  in pb0100_set_red_balance()
358 	else if (val > 255)  in pb0100_set_red_balance()
359 		val = 255;  in pb0100_set_red_balance()
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()
367 static int pb0100_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_blue_balance()  argument
373 	val += ctrls->gain->val;  in pb0100_set_blue_balance()
374 	if (val < 0)  in pb0100_set_blue_balance()
375 		val = 0;  in pb0100_set_blue_balance()
376 	else if (val > 255)  in pb0100_set_blue_balance()
377 		val = 255;  in pb0100_set_blue_balance()
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()
385 static int pb0100_set_exposure(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_exposure()  argument
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()
396 static int pb0100_set_autogain(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_autogain()  argument
402 	if (val) {  in pb0100_set_autogain()
403 		if (ctrls->natural->val)  in pb0100_set_autogain()
404 			val = BIT(6)|BIT(4)|BIT(0);  in pb0100_set_autogain()
406 			val = BIT(4)|BIT(0);  in pb0100_set_autogain()
408 		val = 0;  in pb0100_set_autogain()
410 	err = stv06xx_write_sensor(sd, PB_EXPGAIN, val);  in pb0100_set_autogain()
412 	       val, ctrls->natural->val, err);  in pb0100_set_autogain()
417 static int pb0100_set_autogain_target(struct gspca_dev *gspca_dev, __s32 val)  in pb0100_set_autogain_target()  argument
427 	brightpixels = (totalpixels * val) >> 8;  in pb0100_set_autogain_target()
433 	PDEBUG(D_CONF, "Set autogain target to %d, status: %d", val, err);  in pb0100_set_autogain_target()