From: Vlad Dogaru <vlad.dogaru@intel.com>
Date: Mon, 29 Dec 2014 09:37:48 +0000 (+0200)
Subject: iio: ensure scan index is unique at device register
X-Git-Tag: fixes-v4.0-rc1~99^2~245^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f5d8727a7736024f28101b922d23754c67c2cc8;p=pandora-kernel.git

iio: ensure scan index is unique at device register

Having two or more channels with the same positive scan_index field
makes no sense if the device supports buffering.  Prevent this situation
by failing to register such a device.

Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---

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