From: Nikolai Kondrashov <spbnick@gmail.com>
Date: Fri, 6 Aug 2010 19:03:07 +0000 (+0400)
Subject: HID: Add Tablet Pick -> BTN_STYLUS2 mapping
X-Git-Tag: v2.6.37-rc1~144^2~2^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50b6369767f65c39de3d7ca17842ebc6c52888b8;p=pandora-kernel.git

HID: Add Tablet Pick -> BTN_STYLUS2 mapping

Many tablet input drivers use BTN_STYLUS2 code to report a second
tablet stylus button. Yet, the generic HID input driver doesn't map it.
Apparently, because there is no corresponding usage in the HID Usage Tables.

This patch selects a compromise usage - "Tablet Pick" (0x46) to be mapped to
BTN_STYLUS2. Some tablets use "Eraser" usage, but mapping it to a button
wouldn't be entirely correct, because the specification says it may be "a
pressure quantity".

Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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