From: Dave Jones <davej@redhat.com>
Rediffed version of the patch from ..
http://bugzilla.kernel.org/show_bug.cgi?id=8016
that seems to be lingering for some time.
Original patch by: Andy Shevchenko <andy@smile.org.ua>
Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>