This driver supports two cmd->start_src values, TRIG_NOW and TRIG_EXT.
For aesthetics, replace the default case when validating the cmd->start_arg
with the proper case statement.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/cb_pcidas.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c
b/drivers/staging/comedi/drivers/cb_pcidas.c
index d01cf9a..063a7df 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -871,9 +871,12 @@ static int cb_pcidas_ai_cmdtest(struct comedi_device *dev,
if (err)
return 2;
- /* step 3: arguments are trivially compatible */
+ /* Step 3: check if arguments are trivially valid */
switch (cmd->start_src) {
+ case TRIG_NOW:
+ err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
+ break;
case TRIG_EXT:
/* External trigger, only CR_EDGE and CR_INVERT flags allowed */
if ((cmd->start_arg
@@ -887,9 +890,6 @@ static int cb_pcidas_ai_cmdtest(struct comedi_device *dev,
err |= -EINVAL;
}
break;
- default:
- err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
- break;
}
if (cmd->scan_begin_src == TRIG_TIMER)
--
1.8.5.2
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