IT87_REG_BEEP_ENABLE
regval = it87_read_value(data, IT87_REG_BEEP_ENABLE);
it87_write_value(data, IT87_REG_BEEP_ENABLE, regval);
data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
it87_write_value(data, IT87_REG_BEEP_ENABLE, data->beeps);
data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);