566  * The difference(d1, d2) between ideal and measured codes stored in trim
570  * gain: k = 1 + ((d2 - d1) / (x2 - x1))
574 		int channel, int d1, int d2)  in twl6030_calibrate_channel()  argument
589 	k = 1000 + (((d2 - d1) * 1000) / (x2 - x1));  in twl6030_calibrate_channel()
599 	dev_dbg(gpadc->dev, "GPADC d2   for Chn: %d = %d\n", channel, d2);  in twl6030_calibrate_channel()
626 	s8 d1, d2;  in twl6030_calibration()  local
647 			d2 = trim_regs[1];  in twl6030_calibration()
655 			d2 = trim_regs[5];  in twl6030_calibration()
659 			d2 = trim_regs[13];  in twl6030_calibration()
663 			d2 = trim_regs[7];  in twl6030_calibration()
667 			d2 = trim_regs[3];  in twl6030_calibration()
671 			d2 = trim_regs[9];  in twl6030_calibration()
675 			d2 = trim_regs[11];  in twl6030_calibration()
679 			d2 = trim_regs[15];  in twl6030_calibration()
686 		d2 = twl6030_gpadc_get_trim_offset(d2);  in twl6030_calibration()
688 		twl6030_calibrate_channel(gpadc, chn, d1, d2);  in twl6030_calibration()
710 	int chn, d1 = 0, d2 = 0, temp;  in twl6032_calibration()  local
741 			d2 = twl6032_get_trim_value(trim_regs, 3, 1, 0x3f,  in twl6032_calibration()
752 			d2 = temp + twl6032_get_trim_value(trim_regs, 9, 7,  in twl6032_calibration()
763 			d2 = temp + twl6032_get_trim_value(trim_regs, 15, 13,  in twl6032_calibration()
769 			d2 = twl6032_get_trim_value(trim_regs, 14, 12, 0x0f,  in twl6032_calibration()
785 			d2 = (trim_regs[5] & 0xFE) >> 1;  in twl6032_calibration()
787 				d2 = -d2;  in twl6032_calibration()
789 			d2 += temp;  in twl6032_calibration()
796 		twl6030_calibrate_channel(gpadc, chn, d1, d2);  in twl6032_calibration()