From 8523ed6fb2ca04973fe759fda8ab4af72492fc7e Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 23 Sep 2007 11:39:01 -0300
Subject: [PATCH] ACPI: thinkpad-acpi: add mutex-based locking to input device
 event send path

Protect the input device event sending path with a mutex, since hot key
input events are not atomic and require an cohesive event block to be sent
together.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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