diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2014-10-22 15:37:03 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-29 16:03:14 +0800 |
| commit | c0491d4eb4b19721331f6986edfd106ce975f63d (patch) | |
| tree | 937c476b43cf494c246d70fedb26fc551a0d4cca | |
| parent | 76cb501924258b222317d15ccd7df8feb057e593 (diff) | |
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>
| -rw-r--r-- | drivers/staging/comedi/drivers/pcl816.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c index 65cbafb85698..a471c3df12b4 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; |