Lines Matching refs:backlight
202 /* Get LCD backlight status. */
207 "can't get backlight status error=%d\n", result);
209 aprint_verbose_dev(self, "LCD backlight %s\n",
514 uint32_t backlight, backlight_new, result, bright;
522 /* Get LCD backlight status. */
523 rv = vald_acpi_ghci_get(sc, GHCI_BACKLIGHT, &backlight, &result);
528 backlight_new = backlight;
530 if (backlight == 1)
533 /* backlight on */
538 if ((backlight == 1) && (sc->lcd_index > 2))
541 /* backlight off */
553 /* Set LCD backlight,if status is changed. */
554 if (backlight_new != backlight) {
559 "can't set LCD backlight %s error=%x\n",