SH7709_PECR
ec = _reg_read_2(SH7709_PECR) & ~PFCKBD_HP_PECR_MASK;
_reg_write_2(SH7709_PECR, ec | scan[column].ec);
_reg_write_2(SH7709_PECR, ec | (0x5555 & PFCKBD_HP_PECR_MASK));
ec = _reg_read_2(SH7709_PECR) & ~PFCKBD_HITACHI_PECR_MASK;
_reg_write_2(SH7709_PECR, ec | scan[i].ec);
_reg_write_2(SH7709_PECR, ec | (0x5555 & PFCKBD_HITACHI_PECR_MASK));
ec = _reg_read_2(SH7709_PECR) & ~PFCKBD_HITACHI_PECR_MASK;
_reg_write_2(SH7709_PECR, ec | poll.ec);
_reg_write_2(SH7709_PECR, ec | (0x5555 & PFCKBD_HITACHI_PECR_MASK));