pms_elantech_write_1
res = pms_elantech_write_1(psc->sc_kbctag, psc->sc_kbcslot, 0x10, 0x54);
res = pms_elantech_write_1(psc->sc_kbctag, psc->sc_kbcslot, 0x11, 0x88);
res = pms_elantech_write_1(psc->sc_kbctag, psc->sc_kbcslot, 0x21, 0x60);