From mboxrd@z Thu Jan 1 00:00:00 1970 From: Len Brown Subject: Re: linux-next: Tree for October 28 (acpi_video) Date: Fri, 29 Oct 2010 14:18:04 -0400 (EDT) Message-ID: References: <20101028142031.5a4d6612.sfr@canb.auug.org.au> <20101029090131.68709a71.randy.dunlap@oracle.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: In-reply-to: <20101029090131.68709a71.randy.dunlap@oracle.com> Sender: linux-acpi-owner@vger.kernel.org To: Randy Dunlap Cc: Stephen Rothwell , linux-acpi@vger.kernel.org, linux-next@vger.kernel.org, LKML , Lee@kernel.org, Chun-Yi , Dave Airlie , Zhang Rui List-Id: linux-next.vger.kernel.org > 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 && && 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 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 Signed-off-by: Dave Airlie