From: H Hartley Sweeten <hartl...@visionengravers.com>
For aesthetics, use the helper function to get the byte size of each sample
instead of using sizeof() the first buffer element.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/ni_at_a2150.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_at_a2150.c
b/drivers/staging/comedi/drivers/ni_at_a2150.c
index 8265322..7380dac 100644
--- a/drivers/staging/comedi/drivers/ni_at_a2150.c
+++ b/drivers/staging/comedi/drivers/ni_at_a2150.c
@@ -551,14 +551,14 @@ static int a2150_ai_cmd(struct comedi_device *dev, struct
comedi_subdevice *s)
/* set size of transfer to fill in 1/3 second */
#define ONE_THIRD_SECOND 333333333
devpriv->dma_transfer_size =
- sizeof(devpriv->dma_buffer[0]) * cmd->chanlist_len *
+ comedi_bytes_per_sample(s) * cmd->chanlist_len *
ONE_THIRD_SECOND / cmd->scan_begin_arg;
if (devpriv->dma_transfer_size > A2150_DMA_BUFFER_SIZE)
devpriv->dma_transfer_size = A2150_DMA_BUFFER_SIZE;
- if (devpriv->dma_transfer_size < sizeof(devpriv->dma_buffer[0]))
- devpriv->dma_transfer_size = sizeof(devpriv->dma_buffer[0]);
+ if (devpriv->dma_transfer_size < comedi_bytes_per_sample(s))
+ devpriv->dma_transfer_size = comedi_bytes_per_sample(s);
devpriv->dma_transfer_size -=
- devpriv->dma_transfer_size % sizeof(devpriv->dma_buffer[0]);
+ devpriv->dma_transfer_size % comedi_bytes_per_sample(s);
set_dma_count(devpriv->dma, devpriv->dma_transfer_size);
enable_dma(devpriv->dma);
release_dma_lock(lock_flags);
--
2.0.3
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