737 static int sc132gs_set_ctrl_gain(struct sc132gs *sc132gs, u32 a_gain)  in sc132gs_set_ctrl_gain()  argument
742 	if (a_gain < 0x20)  in sc132gs_set_ctrl_gain()
743 		a_gain = 0x20;  in sc132gs_set_ctrl_gain()
744 	if (a_gain > 0x391)  in sc132gs_set_ctrl_gain()
745 		a_gain = 0x391;  in sc132gs_set_ctrl_gain()
747 	if (a_gain < 0x3a) {/*1x~1.813*/  in sc132gs_set_ctrl_gain()
748 		fine_again = a_gain;  in sc132gs_set_ctrl_gain()
754 	} else if (a_gain < 0x72) {/*1.813~3.568x*/  in sc132gs_set_ctrl_gain()
755 		fine_again = (a_gain - 0x3a) * 1000 / 1755 + 0x20;  in sc132gs_set_ctrl_gain()
761 	} else if (a_gain < 0xe8) { /*3.568x~7.250x*/  in sc132gs_set_ctrl_gain()
762 		fine_again = (a_gain - 0x72) * 1000 / 3682 + 0x20;  in sc132gs_set_ctrl_gain()
768 	} else if (a_gain < 0x1d0) { /*7.250x~14.5x*/  in sc132gs_set_ctrl_gain()
769 		fine_again = (a_gain - 0xe8) * 100 / 725 + 0x20;  in sc132gs_set_ctrl_gain()
776 		fine_again = (a_gain - 0x1d0) * 1000 / 14047 + 0x20;  in sc132gs_set_ctrl_gain()