From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Thu, 17 Apr 2014 17:07:55 +0000 (-0700)
Subject: staging: comedi: amplc_pci230: fix the ai/ao cmd->start_arg use for TRIG_INT
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~36^2~1331
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2cc3460d51947987713451ad9423ba230cbfec00;p=pandora-kernel.git

staging: comedi: amplc_pci230: fix the ai/ao cmd->start_arg use for TRIG_INT

This driver trivially validates the cmd->start_arg for all cmd->start_src values
to be 0. For TRIG_INT source, the cmd->start_arg is actually the valid trig_num
that is passed to the async (*inttrig) callback.

Refactor the (*inttrig) functions so that the cmd->start_arg is used to check the
trig_num instead of the open coded values.

For aesthetics, refactor the ai (*do_cmd) to remove some unnecessary {}.

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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