From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Sat, 8 Mar 2014 00:31:33 +0000 (-0700)
Subject: staging: comedi: dt282x: use cfc_handle_events()
X-Git-Tag: v3.15-rc1~139^2~289
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f21c74fa4cfe675f5e81b7d604212882799f4e6d;p=pandora-kernel.git

staging: comedi: dt282x: use cfc_handle_events()

Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

This also fixes two bugs.
  1) the analog input command is canceled due to a buffer overflow
     without sending an event (@@ -341,7 +340,7 @@).
  2) an analog output error causes the command to cancel but the event
     is reported to the analog input subdevice (@@ -449,15 +447,13 @@).

In the Kconfig, COMEDI_DT282X already selects COMEDI_FC.

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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