For aesthetics, rename this function so it has namespace associated
with the driver.
Also, change it's parameters. The cmd->chanlist and cmd->chanlist_len
are always passed, just pass the comedi_cmd pointer instead.
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/adv_pci1710.c | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c
b/drivers/staging/comedi/drivers/adv_pci1710.c
index 24dcc2e..765b1f0 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -332,12 +332,14 @@ static const unsigned int muxonechan[] = {
If it's ok, then program scan/gain logic.
This works for all cards.
*/
-static int check_channel_list(struct comedi_device *dev,
- struct comedi_subdevice *s,
- unsigned int *chanlist, unsigned int n_chan)
+static int pci171x_ai_check_chanlist(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_cmd *cmd)
{
unsigned int chansegment[32];
unsigned int i, nowmustbechan, seglen, segpos;
+ unsigned int *chanlist = cmd->chanlist;
+ unsigned int n_chan = cmd->chanlist_len;
/* correct channel and range number check itself comedi/range.c */
if (n_chan < 1) {
@@ -964,7 +966,7 @@ static int pci171x_ai_cmd(struct comedi_device *dev, struct
comedi_subdevice *s)
start_pacer(dev, -1, 0, 0); /* stop pacer */
- seglen = check_channel_list(dev, s, cmd->chanlist, cmd->chanlist_len);
+ seglen = pci171x_ai_check_chanlist(dev, s, cmd);
if (seglen < 1)
return -EINVAL;
setup_channel_list(dev, s, cmd->chanlist, cmd->chanlist_len, seglen);
@@ -1099,13 +1101,10 @@ static int pci171x_ai_cmdtest(struct comedi_device *dev,
if (err)
return 4;
- /* step 5: complain about special chanlist considerations */
+ /* Step 5: check channel list */
- if (cmd->chanlist) {
- if (!check_channel_list(dev, s, cmd->chanlist,
- cmd->chanlist_len))
- return 5; /* incorrect channels list */
- }
+ if (!pci171x_ai_check_chanlist(dev, s, cmd))
+ return 5;
return 0;
}
--
1.9.2
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