Lines Matching defs:tach

140 	u16 tach[4];
154 static int max6620_fan_tach_to_rpm(u8 div, u16 tach)
156 	return (60 * div * MAX6620_CLOCK_FREQ) / (tach * MAX6620_PULSE_PER_REV);
180 			data->tach[i] = (ret << 3) & 0x7f8;
184 			data->tach[i] |= (ret >> 5) & 0x7;
279 			if (data->tach[channel] == 0) {
283 				*val = max6620_fan_tach_to_rpm(div, data->tach[channel]);
314 	u16 tach;
358 			tach = max6620_fan_rpm_to_tach(div, val);
359 			val1 = (tach >> 3) & 0xff;
360 			val2 = (tach << 5) & 0xe0;