From 867ae76dda9365c125ac88f256ca20d557e9e6e8 Mon Sep 17 00:00:00 2001
From: Ian Abbott <abbotti@mev.co.uk>
Date: Mon, 1 Sep 2014 12:03:44 +0100
Subject: [PATCH] staging: comedi: amplc_pci230: remove ao_chans member

The PCI230(+) has an AO subdevice with 2 channels, but the PCI260(+) has
none.

The `ao_chans` member of `struct pci230_board` indicates whether the
board has an AO subdevice and the number of AO channels.  The
`ao_bits` member indicates the AO sample width in bits and will only be
non-zero for boards with an AO subdevice.

Use `ao_bits` to indicate whether the board has an AO subdevice.  If it
has, assume the the number of AO channels is 2.  Then the `ao_chans`
member becomes redundant and can be removed.

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