From 0a9844910c7dd5e6dfc630a69f7efc9ba261efcf Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Fri, 20 Jun 2014 13:28:59 -0700
Subject: [PATCH] staging: comedi: s626: remove 'get_mode' callback from
 encoder private data

There are two functions used for the 'get_mode' callback. One is used for
the channel 0-2 encoders and the other for the channel 3-5 encoders.

Add a helper function, s626_get_mode(), that uses the encoder channel number
to determine which function to call.

Remove the then unnecessary 'get_mode' member from the encoder private data.

The 'get_mode' callbacks were not being used by the driver in any of the enabled
code. For now block the s626_get_mode() functions with '#ifdef unused' to prevent
a compiler warning.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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