From 025bcc154027fc52b1aee192c4599bb6ee6a3c9c Mon Sep 17 00:00:00 2001
From: Jason Gerecke <killertofu@gmail.com>
Date: Mon, 3 Aug 2015 10:18:10 -0700
Subject: [PATCH] HID: wacom: Simplify 'wacom_pl_irq'

Unlike other IRQ functions, 'wacom_pl_irq' uses the second element of
the 'tool' array to store information about its single pen. This makes
the function more difficult to understand (since it doesn't follow the
general pattern of other IRQ functions) and prevents the possibility of
refactoring how pen state is stored.

This patch rewrites 'wacom_pl_irq' to follow the usual IRQ conventions,
including storing tool type in 'tool[0]' and implicitly tracking prox
with the 'id[0]' variable.

Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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