ALSA: core: Expose sound card online/offline state

Expose sound card online/offline state to procfs so userspace
application
can poll and read sound card's state.

Change-Id: Icafb2a8b970fb53ebc3eb7c44d075f1c01985072
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
ARM: fault: assume no context when IRQs are disabled during data abort.

Bail out early if IRQs are disabled in do_page_fault or else
  [14415.157266] BUG: sleeping function called from invalid context at
arch/arm/mm/fault.c:301

Russell King's idea from
  http://comments.gmane.org/gmane.linux.ports.arm.omap/59256

Change-Id: Ic8a06c08657de47703be6e0f74b8c305e8408abe
Signed-off-by: JP Abgrall <jpa@google.com>
lib/lzo: huge LZO decompression speedup on ARM by using unaligned access

Change-Id: Idd02f2a695f8f97f41f87ab7b2d3c917235d5377
Signed-off-by: Markus F.X.J. Oberhumer <markus@oberhumer.com>

Conflicts:

	lib/lzo/lzo1x_decompress_safe.c
	lib/lzo/lzodefs.h