This reverts commit 32e176c1.

That commit caused a regression with suspend on Thinkpad SL300.

Reference: kernel bug#12711
	http://bugzilla.kernel.org/show_bug.cgi?id=12711Tested-by: Alexandre Rostovtsev <tetromino@gmail.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>