668 				u32 *dgain_fine, u32 total_gain)  in sc230ai_get_gain_reg()  argument
672 	if (total_gain < SC230AI_GAIN_MIN)  in sc230ai_get_gain_reg()
673 		total_gain = SC230AI_GAIN_MIN;  in sc230ai_get_gain_reg()
674 	else if (total_gain > SC230AI_GAIN_MAX)  in sc230ai_get_gain_reg()
675 		total_gain = SC230AI_GAIN_MAX;  in sc230ai_get_gain_reg()
677 	if (total_gain < 2000) {	/* 1 ~ 2 gain*/  in sc230ai_get_gain_reg()
680 		*dgain_fine = total_gain * 128 / 1000;  in sc230ai_get_gain_reg()
681 	} else if (total_gain < 3391) {	/* 2 ~ 3.391 gain*/  in sc230ai_get_gain_reg()
684 		*dgain_fine = total_gain * 128 / 1000 / 2;  in sc230ai_get_gain_reg()
685 	} else if (total_gain < 3391 * 2) {	/* 3.391 ~ 6.782 gain*/  in sc230ai_get_gain_reg()
688 		*dgain_fine = total_gain * 128 / 3391;  in sc230ai_get_gain_reg()
689 	} else if (total_gain < 3391 * 4) {	/* 6.782 ~ 13.564 gain*/  in sc230ai_get_gain_reg()
692 		*dgain_fine = total_gain * 128 / 3391 / 2;  in sc230ai_get_gain_reg()
693 	} else if (total_gain < 3391 * 8) {	/* 13.564 ~ 27.128 gain*/  in sc230ai_get_gain_reg()
696 		*dgain_fine = total_gain * 128 / 3391 / 4;  in sc230ai_get_gain_reg()
697 	} else if (total_gain < 3391 * 16) {	/* 27.128 ~ 54.256 gain*/  in sc230ai_get_gain_reg()
700 		*dgain_fine = total_gain * 128 / 3391 / 8;  in sc230ai_get_gain_reg()
701 	} else if (total_gain < 3391 * 32) {	/* 54.256 ~ 108.512 gain*/  in sc230ai_get_gain_reg()
704 		*dgain_fine = total_gain * 128 / 3391 / 16;  in sc230ai_get_gain_reg()
705 	} else if (total_gain < 3391 * 64) {	/* 108.512 ~ 217.024 gain*/  in sc230ai_get_gain_reg()
708 		*dgain_fine = total_gain * 128 / 3391 / 32;  in sc230ai_get_gain_reg()
709 	} else if (total_gain < 3391 * 128) {	/* 217.024 ~ 434.048 gain*/  in sc230ai_get_gain_reg()
712 		*dgain_fine = total_gain * 128 / 3391 / 64;  in sc230ai_get_gain_reg()
713 	} else if (total_gain < 3391 * 256) {	/* 434.048 ~ 868.096 gain*/  in sc230ai_get_gain_reg()
716 		*dgain_fine = total_gain * 128 / 3391 / 128;  in sc230ai_get_gain_reg()
717 	} else if (total_gain < 3391 * 512) {	/* 868.096 ~ 1736.192 gain*/  in sc230ai_get_gain_reg()
720 		*dgain_fine = total_gain * 128 / 3391 / 128;  in sc230ai_get_gain_reg()