staging: comedi: adv_pci1710: use cfc_check_trigger_src

Use the helper function cfc_check_trigger_src for the "step 1"
tests of pci171x_ai_cmdtest().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 6 insertions, 24 deletions

diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index a8825e459c76..379a7134230a 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -45,6 +45,7 @@ Configuration options:
 
 #include "../comedidev.h"
 
+#include "comedi_fc.h"
 #include "8253.h"
 #include "amcc_s5933.h"
 
@@ -1047,30 +1048,11 @@ static int pci171x_ai_cmdtest(struct comedi_device *dev,
 
         /* step 1: make sure trigger sources are trivially valid */
 
-        tmp = cmd->start_src;
-        cmd->start_src &= TRIG_NOW | TRIG_EXT;
-        if (!cmd->start_src || tmp != cmd->start_src)
-                err++;
-
-        tmp = cmd->scan_begin_src;
-        cmd->scan_begin_src &= TRIG_FOLLOW;
-        if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
-                err++;
-
-        tmp = cmd->convert_src;
-        cmd->convert_src &= TRIG_TIMER | TRIG_EXT;
-        if (!cmd->convert_src || tmp != cmd->convert_src)
-                err++;
-
-        tmp = cmd->scan_end_src;
-        cmd->scan_end_src &= TRIG_COUNT;
-        if (!cmd->scan_end_src || tmp != cmd->scan_end_src)
-                err++;
-
-        tmp = cmd->stop_src;
-        cmd->stop_src &= TRIG_COUNT | TRIG_NONE;
-        if (!cmd->stop_src || tmp != cmd->stop_src)
-                err++;
+        err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_EXT);
+        err |= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_FOLLOW);
+        err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_TIMER | TRIG_EXT);
+        err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
+        err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE);
 
         if (err)
                 return 1;