LDCNT2R_BR
lcdc_write(sdev, LDCNT2R, lcdc_read(sdev, LDCNT2R) | LDCNT2R_BR);
lcdc_wait_bit(sdev, LDCNT2R, LDCNT2R_BR, 0);
lcdc_write(priv, _LDCNT2R, lcdc_read(priv, _LDCNT2R) | LDCNT2R_BR);
lcdc_wait_bit(priv, _LDCNT2R, LDCNT2R_BR, 0);