From: David Herrmann <dh.herrmann@gmail.com>
Date: Sun, 5 May 2013 21:13:03 +0000 (+0200)
Subject: HID: wiimote: lock DRM mode during debugfs overwrite
X-Git-Tag: v3.11-rc1~90^2^3~12
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d76f89e13a0439649120a85297085e8d8fff77ec;p=pandora-kernel.git

HID: wiimote: lock DRM mode during debugfs overwrite

If we write a DRM mode via debugfs, we shouldn't allow normal operations
to overwrite this DRM mode. This is important if we want to debug
3rd-party devices and we want to see what data is sent on each mode.

If we write NULL/0 as DRM, the lock is removed again so the best matching
DRM is chosen by wiimote core.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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