From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 2 Nov 2011 08:40:00 +0000 (+0100)
Subject: staging:iio: Make write_event_value callback optional
X-Git-Tag: v3.3-rc1~152^2~101^2~324
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43c0364551d3ca0042f6f6a3da701edf1143d62f;p=pandora-kernel.git

staging:iio: Make write_event_value callback optional

Some devices have fixed thresholds which can not be modified so make the
write_event_value callback optional, so the drivers for these devices do not
have to implement a boilerplate no-op callback.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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