From: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Date: Wed, 14 Nov 2012 15:59:15 +0000 (+0100)
Subject: HID: fix unit exponent parsing
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~36^2^4~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=774638386826621c984ab6994439f474709cac5e;p=pandora-kernel.git

HID: fix unit exponent parsing

HID spec details special values for the HID field unit exponent.
Basically, the range [0x8..0xf] correspond to [-8..-1], so this is
a standard two's complement on a half-byte.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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