On 10/29/10 11:18, Len Brown wrote: >> drivers/built-in.o: In function `acpi_video_bus_put_one_device': >> video.c:(.text+0x9d794): undefined reference to `backlight_device_unregister' > > Invalid .config, as ACPI_VIDEO depends on BACKLIGHT_CLASS_DEVICE, which is not set. > > This breakage is the infamous "select in Kconfig doesn't" bug, > which has apparently claimed a new victim, STUB_POULSBO: > > (STUB_POULSBO && HAS_IOMEM && PCI && ACPI || DRM_I915 && <choice> && > AGP_INTEL && ACPI || DRM_NOUVEAU && STAGING && !STAGING_EXCLUDE_BUILD && > DRM && PCI && ACPI) selects ACPI_VIDEO which has unmet direct dependencies > (ACPI && X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL && INPUT) > > commit e26fd1199ebab0d469fc3e037da5932d382f0669 > Author: Lee, Chun-Yi <joeyli.kernel@xxxxxxxxx> > Date: Wed Oct 20 13:51:19 2010 +0800 > > gpu: Add Intel GMA500(Poulsbo) Stub Driver > > Currently, there have no GMA500(Poulsbo) native video driver to > support > intel opregion. So, use this stub driver to enable the acpi backlight > control sysfs entry files by requrest acpi_video_register. > > [airlied: fix warnings] > > Signed-off-by: Lee, Chun-Yi <jlee@xxxxxxxxxx> > Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx> > I think that it needs this patch (from 2010-OCT-13): http://lkml.org/lkml/2010/10/13/270 -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
