On Mon, 10 Aug 2009, Zhang Rui wrote: > On Sat, 2009-08-08 at 15:26 +0800, Dmitry Torokhov wrote: > > Don't assume that backlight is always present. > > > Patch is already available. > http://patchwork.kernel.org/patch/39704/ it is upstream now: commit e29b3ee3b005897fbdcfdd4b3190776e38739d70 Author: Keith Packard <keithp@xxxxxxxxxx> Date: Thu Aug 6 15:57:54 2009 -0700 ACPI: don't free non-existent backlight in acpi video module -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html