vr30 346 drivers/gpu/drm/i915/display/dvo_ivch.c u16 vr01, vr30, backlight; vr30 370 drivers/gpu/drm/i915/display/dvo_ivch.c if (!ivch_read(dvo, VR30, &vr30)) vr30 373 drivers/gpu/drm/i915/display/dvo_ivch.c if (((vr30 & VR30_PANEL_ON) != 0) == enable)