466 	int ret = 0, gain_factor;  in sc223a_set_gain_reg()  local
473 	gain_factor = gain * 1000 / 128;  in sc223a_set_gain_reg()
474 	if (gain_factor < 1810) {  in sc223a_set_gain_reg()
477 		fine_dgain = gain_factor * 128 / 1000;  in sc223a_set_gain_reg()
478 	} else if (gain_factor < 1810 * 2) {  in sc223a_set_gain_reg()
481 		fine_dgain = gain_factor * 128 / 1810;  in sc223a_set_gain_reg()
482 	} else if (gain_factor < 1810 * 4) {  in sc223a_set_gain_reg()
485 		fine_dgain = gain_factor * 128 / 1810 / 2;  in sc223a_set_gain_reg()
486 	} else if (gain_factor < 1810 * 8) {  in sc223a_set_gain_reg()
489 		fine_dgain = gain_factor * 128 / 1810 / 4;  in sc223a_set_gain_reg()
490 	} else if (gain_factor < 1810 * 16) {  in sc223a_set_gain_reg()
493 		fine_dgain = gain_factor * 128 / 1810 / 8;  in sc223a_set_gain_reg()
494 	} else if (gain_factor < 1810 * 32) {  in sc223a_set_gain_reg()
497 		fine_dgain = gain_factor * 128 / 1810 / 16;  in sc223a_set_gain_reg()
498 	} else if (gain_factor < 1810 * 64) {  in sc223a_set_gain_reg()
502 		fine_dgain = gain_factor * 128 / 1810 / 32;  in sc223a_set_gain_reg()
503 	} else if (gain_factor < 1810 * 128) {  in sc223a_set_gain_reg()
506 		fine_dgain = gain_factor * 128 / 1810 / 64;  in sc223a_set_gain_reg()