From c8de9dbb35d3e4efce2bce513192f34ca962d8c0 Mon Sep 17 00:00:00 2001
From: Frank Praznik <frank.praznik@oh.rr.com>
Date: Thu, 20 Feb 2014 11:36:01 -0500
Subject: [PATCH] HID: sony: Fix work queue issues

Only initialize force feedback for devices that actually support it (Sixaxis and
Dualshock 4) to prevent calls to schedule_work() with an uninitialized work
queue.

Move the cancel_work_sync() call out of sony_destroy_ff() since the state worker
is used for the LEDs even when force-feedback is disabled.

Remove the sony_destroy_ff() function since it is no longer used.

Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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