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Staging: comedi: pcl816: update convert_src mask for AI cmdtest

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The COMEDI_CMDTEST ioctl needs to clear unsupported bits in the
struct comedi_cmd's convert_src and other *_src members.  This
needs fixing in the pcl816 driver's AI cmdtest.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ian Abbott 2009-11-20 11:32:38 +00:00 committed by Greg Kroah-Hartman
parent 48b1aff5b9
commit efdf83c176
1 changed files with 3 additions and 1 deletions
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4
drivers/staging/comedi/drivers/pcl816.c
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@ -488,7 +488,9 @@ static int pcl816_ai_cmdtest(struct comedi_device *dev,
if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
err++;
if (!(cmd->convert_src & (TRIG_EXT | TRIG_TIMER)))
tmp = cmd->convert_src;
cmd->convert_src &= TRIG_EXT | TRIG_TIMER;
if (!cmd->convert_src || tmp != cmd->convert_src)
err++;
tmp = cmd->scan_end_src;