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staging: comedi: pcl816: use comedi_buf_write_samples() 

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 <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2014-10-22 15:37:03 -07:00 committed by Greg Kroah-Hartman
parent 76cb501924
commit c0491d4eb4
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/comedi/drivers/pcl816.c
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@ -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;