F71882FG_REG_FAN_HYST
reg = f71882fg_read8(data, F71882FG_REG_FAN_HYST(nr / 2));
f71882fg_write8(data, F71882FG_REG_FAN_HYST(nr / 2), reg);
f71882fg_read8(data, F71882FG_REG_FAN_HYST(0));
f71882fg_read8(data, F71882FG_REG_FAN_HYST(1));