From: Johan Hovold <johan@kernel.org>
Date: Fri, 5 Sep 2014 16:08:48 +0000 (+0200)
Subject: HID: usbhid: enable always-poll quirk for Elan Touchscreen
X-Git-Tag: fixes-for-v3.18-merge-window~27^2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bfe3c873e978d78b542a5852575dd74f4d1a5838;p=pandora-kernel.git

HID: usbhid: enable always-poll quirk for Elan Touchscreen

Enable the always-poll quirk for Elan Touchscreens found on some recent
Samsung laptops.

Without this quirk the device keeps disconnecting from the bus (and is
re-enumerated) unless opened (and kept open, should an input event
occur).

Note that while the device can be run-time suspended, the autosuspend
timeout must be high enough to allow the device to be polled at least
once before being suspended. Specifically, using autosuspend_delay_ms=0
will still cause the device to disconnect on input events.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

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