For aesthetics, use comedi_buf_write_samples() to add the sample to the
async buffer.
The core will add the COMEDI_CB_BLOCK event when data is written to the
async buffer. Remove the unnecessary event in the driver.
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/pcl816.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/comedi/drivers/pcl816.c
b/drivers/staging/comedi/drivers/pcl816.c
index 65cbafb..a471c3d 100644
--- a/drivers/staging/comedi/drivers/pcl816.c
+++ b/drivers/staging/comedi/drivers/pcl816.c
@@ -289,8 +289,6 @@ static bool pcl816_ai_next_chan(struct comedi_device *dev,
struct pcl816_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
- s->async->events |= COMEDI_CB_BLOCK;
-
s->async->cur_chan++;
if (s->async->cur_chan >= cmd->chanlist_len) {
s->async->cur_chan = 0;
@@ -313,10 +311,12 @@ static void transfer_from_dma_buf(struct comedi_device
*dev,
unsigned short *ptr,
unsigned int bufptr, unsigned int len)
{
+ unsigned short val;
int i;
for (i = 0; i < len; i++) {
- comedi_buf_put(s, ptr[bufptr++]);
+ val = ptr[bufptr++];
+ comedi_buf_write_samples(s, &val, 1);
if (!pcl816_ai_next_chan(dev, s))
return;
--
2.0.3
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