Input: tsc2007 - check for presence and power down tsc2007 during probe
authorH. Nikolaus Schaller <hns@goldelico.com>
Fri, 17 Feb 2017 20:51:19 +0000 (12:51 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 22 Mar 2018 08:17:35 +0000 (09:17 +0100)
commit3ec4b846a5dda7fe983015e6310c3d551b029329
treecdf2672c53223c3065eee2629954ac85c6381b05
parent7bd2d0c746f1fac2fb7f2ee972767cbc8be60962
Input: tsc2007 - check for presence and power down tsc2007 during probe

[ Upstream commit 934df23171e7c5b71d937104d4957891c39748ff ]

1. check if chip is really present and don't succeed if it isn't.
2. if it succeeds, power down the chip until accessed

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/input/touchscreen/tsc2007.c