LPT_TRANSCONF
intel_de_write(display, LPT_TRANSCONF, val);
if (intel_de_wait_for_set(display, LPT_TRANSCONF,
intel_de_rmw(display, LPT_TRANSCONF, TRANS_ENABLE, 0);
if (intel_de_wait_for_clear(display, LPT_TRANSCONF,
if ((intel_de_read(display, LPT_TRANSCONF) & TRANS_ENABLE) == 0)