This device is a direct pipe from "hardware" to the input event subsystem,
allowing us to avoid having to route "keypad" style events through an
AT keyboard driver (gross!).

As with the other submissions this driver is cross architecture.
Signed-off-by: NMike A. Chan <mikechan@google.com>
[Tided up to work on x86]
Signed-off-by: NSheng Yang <sheng@linux.intel.com>
Signed-off-by: NYunhong Jiang <yunhong.jiang@intel.com>
Signed-off-by: NXiaohui Xin <xiaohui.xin@intel.com>
Signed-off-by: NJun Nakajima <jun.nakajima@intel.com>
Signed-off-by: NBruce Beare <bruce.j.beare@intel.com>
[Ported to 3.4]
Signed-off-by: NTom Keel <thomas.keel@intel.com>
[Cleaned up for 3.7 and submission]
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>