R852_HW
if (r852_read_reg_dword(dev, R852_HW) & R852_HW_UNKNOWN) {
r852_write_reg_dword(dev, R852_HW, R852_HW_ENABLED);
r852_write_reg_dword(dev, R852_HW, R852_HW_ENABLED);
r852_write_reg_dword(dev, R852_HW, 0);