elantech_write_1
res = elantech_write_1(kbdc, hwversion, 0x10, reg10);
res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A);
res = elantech_write_1(kbdc, hwversion, 0x10, reg10);
res = elantech_write_1(kbdc, hwversion, 0x07, 0x01);