diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2014-05-27 10:31:10 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-28 14:28:56 -0700 |
| commit | 897d21b9ac61e6199e03da67c2307553db0736bf (patch) | |
| tree | 4217730502bbc4ffb7f3aec5c157a74ef16d5f83 /drivers/staging | |
| parent | 4bc030446fd6d4ad3d719228f2f30be2b989c575 (diff) | |
| download | linux-897d21b9ac61e6199e03da67c2307553db0736bf.tar.bz2 | |
staging: comedi: pcl812: use cfc_bytes_per_scan()
Use the comedi_fc helper to get the number of bytes per scan.
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>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/comedi/drivers/pcl812.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c index 3338e5d613b0..4c1b94706478 100644 --- a/drivers/staging/comedi/drivers/pcl812.c +++ b/drivers/staging/comedi/drivers/pcl812.c @@ -557,10 +557,8 @@ static void pcl812_ai_setup_dma(struct comedi_device *dev, /* we use EOS, so adapt DMA buffer to one scan */ if (devpriv->ai_eos) { - devpriv->dmabytestomove[0] = - cmd->chanlist_len * sizeof(short); - devpriv->dmabytestomove[1] = - cmd->chanlist_len * sizeof(short); + devpriv->dmabytestomove[0] = cfc_bytes_per_scan(s); + devpriv->dmabytestomove[1] = cfc_bytes_per_scan(s); devpriv->dma_runs_to_end = 1; } else { devpriv->dmabytestomove[0] = devpriv->hwdmasize; @@ -575,8 +573,7 @@ static void pcl812_ai_setup_dma(struct comedi_device *dev, devpriv->dma_runs_to_end = 1; } else { /* how many samples we must transfer? */ - bytes = cmd->chanlist_len * - cmd->stop_arg * sizeof(short); + bytes = cmd->stop_arg * cfc_bytes_per_scan(s); /* how many DMA pages we must fill */ devpriv->dma_runs_to_end = |