Lines Matching defs:tach
141 u16 tach[4];
155 static int max6620_fan_tach_to_rpm(u8 div, u16 tach)
157 return (60 * div * MAX6620_CLOCK_FREQ) / (tach * MAX6620_PULSE_PER_REV);
184 data->tach[i] = (ret << 3) & 0x7f8;
188 data->tach[i] |= (ret >> 5) & 0x7;
293 if (data->tach[channel] == 0) {
297 *val = max6620_fan_tach_to_rpm(div, data->tach[channel]);
328 u16 tach;
374 tach = max6620_fan_rpm_to_tach(div, val);
375 val1 = (tach >> 3) & 0xff;
376 val2 = (tach << 5) & 0xe0;