953 static void os02g10_get_gain_reg(u32 total_gain, u32* again, u32* dgain)  in os02g10_get_gain_reg()  argument
956 	if (total_gain < 256) {			/* 1x gain ~ 16x gain*/  in os02g10_get_gain_reg()
957 		*again = total_gain;  in os02g10_get_gain_reg()
959 	} else if (total_gain < 512) {		/* 16x gain ~ 32x gain */  in os02g10_get_gain_reg()
960 		step = (total_gain - 256) * 0x40 / 256;  in os02g10_get_gain_reg()
964 	} else if (total_gain < 1024) {		/* 32x gain ~ 64x gain */  in os02g10_get_gain_reg()
965 		step = (total_gain - 512) * 0x80 / 512;  in os02g10_get_gain_reg()
969 	} else if (total_gain < 2048) {		/* 64x gain ~ 128x gain */  in os02g10_get_gain_reg()
970 		step = (total_gain - 1024) * 0x100 / 1024;  in os02g10_get_gain_reg()
974 	} else if (total_gain < 4096) {		/* 128x gain ~ 256x gain */  in os02g10_get_gain_reg()
975 		step = (total_gain - 2048) *  0x200 / 2048;  in os02g10_get_gain_reg()
979 	} else if (total_gain <= 8192) {	/* 256x gain ~ 512x gain */  in os02g10_get_gain_reg()
980 		step = (total_gain - 4096) * 0x400 / 4096;  in os02g10_get_gain_reg()