linux-kernel - [PATCH] staging: comedi: pcl812: remove unneeded tests in pcl812_ai

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Date:	Wed, 13 Jun 2012 17:58:07 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
	<fmhess@...rs.sourceforge.net>, <gregkh@...uxfoundation.org>
Subject: [PATCH] staging: comedi: pcl812: remove unneeded tests in pcl812_ai_cmdtest

The step 2 tests to make sure that the triggers are unique is not
needed for single source triggers. These were already trivially
validated in step 1.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Frank Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/staging/comedi/drivers/pcl812.c |   27 ---------------------------
 1 files changed, 0 insertions(+), 27 deletions(-)

diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c
index 0a4074a..511c901 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -612,33 +612,6 @@ static int pcl812_ai_cmdtest(struct comedi_device *dev,
 	 * unique and mutually compatible
 	 */
 
-	if (cmd->start_src != TRIG_NOW) {
-		cmd->start_src = TRIG_NOW;
-		err++;
-	}
-
-	if (cmd->scan_begin_src != TRIG_FOLLOW) {
-		cmd->scan_begin_src = TRIG_FOLLOW;
-		err++;
-	}
-
-	if (devpriv->use_ext_trg) {
-		if (cmd->convert_src != TRIG_EXT) {
-			cmd->convert_src = TRIG_EXT;
-			err++;
-		}
-	} else {
-		if (cmd->convert_src != TRIG_TIMER) {
-			cmd->convert_src = TRIG_TIMER;
-			err++;
-		}
-	}
-
-	if (cmd->scan_end_src != TRIG_COUNT) {
-		cmd->scan_end_src = TRIG_COUNT;
-		err++;
-	}
-
 	if (cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_COUNT)
 		err++;
 
-- 
1.7.7

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