staging: comedi: Move pcm do_cmdtest function into a single source file

Many of the comedi source code has functions that were created with
cut and paste, this moves the do_cmdtest function into a single file.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 101 deletions

diff --git a/drivers/staging/comedi/drivers/pcmuio.c b/drivers/staging/comedi/drivers/pcmuio.c
index ce0aa6b..81ee7cd 100644
--- a/drivers/staging/comedi/drivers/pcmuio.c
+++ b/drivers/staging/comedi/drivers/pcmuio.c
@@ -77,6 +77,7 @@ Configuration Options:
 
 #include <linux/interrupt.h>
 #include "../comedidev.h"
+#include "pcm_common.h"
 
 #include <linux/pci.h>		/* for PCI devices */
 
@@ -984,110 +985,10 @@ static int pcmuio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	return 0;
 }
 
-/*
- * 'do_cmdtest' function for an 'INTERRUPT' subdevice.
- */
 static int
 pcmuio_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd)
 {
-	int err = 0;
-	unsigned int tmp;
-
-	/* step 1: make sure trigger sources are trivially valid */
-
-	tmp = cmd->start_src;
-	cmd->start_src &= (TRIG_NOW | TRIG_INT);
-	if (!cmd->start_src || tmp != cmd->start_src)
-		err++;
-
-	tmp = cmd->scan_begin_src;
-	cmd->scan_begin_src &= TRIG_EXT;
-	if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
-		err++;
-
-	tmp = cmd->convert_src;
-	cmd->convert_src &= TRIG_NOW;
-	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++;
-
-	if (err)
-		return 1;
-
-	/* step 2: make sure trigger sources are unique and mutually compatible */
-
-	/* these tests are true if more than one _src bit is set */
-	if ((cmd->start_src & (cmd->start_src - 1)) != 0)
-		err++;
-	if ((cmd->scan_begin_src & (cmd->scan_begin_src - 1)) != 0)
-		err++;
-	if ((cmd->convert_src & (cmd->convert_src - 1)) != 0)
-		err++;
-	if ((cmd->scan_end_src & (cmd->scan_end_src - 1)) != 0)
-		err++;
-	if ((cmd->stop_src & (cmd->stop_src - 1)) != 0)
-		err++;
-
-	if (err)
-		return 2;
-
-	/* step 3: make sure arguments are trivially compatible */
-
-	/* cmd->start_src == TRIG_NOW || cmd->start_src == TRIG_INT */
-	if (cmd->start_arg != 0) {
-		cmd->start_arg = 0;
-		err++;
-	}
-
-	/* cmd->scan_begin_src == TRIG_EXT */
-	if (cmd->scan_begin_arg != 0) {
-		cmd->scan_begin_arg = 0;
-		err++;
-	}
-
-	/* cmd->convert_src == TRIG_NOW */
-	if (cmd->convert_arg != 0) {
-		cmd->convert_arg = 0;
-		err++;
-	}
-
-	/* cmd->scan_end_src == TRIG_COUNT */
-	if (cmd->scan_end_arg != cmd->chanlist_len) {
-		cmd->scan_end_arg = cmd->chanlist_len;
-		err++;
-	}
-
-	switch (cmd->stop_src) {
-	case TRIG_COUNT:
-		/* any count allowed */
-		break;
-	case TRIG_NONE:
-		if (cmd->stop_arg != 0) {
-			cmd->stop_arg = 0;
-			err++;
-		}
-		break;
-	default:
-		break;
-	}
-
-	if (err)
-		return 3;
-
-	/* step 4: fix up any arguments */
-
-	/* if (err) return 4; */
-
-	return 0;
+	return comedi_pcm_cmdtest(dev, s, cmd);
 }
 
 /*