Use comedi_buf_write_samples() to add the samples to the async buffer.
That function will determining the number of bytes to add based on the
bytes_per_sample().
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/das16.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/comedi/drivers/das16.c
b/drivers/staging/comedi/drivers/das16.c
index 5d47d0a..aa9e3e1 100644
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -541,6 +541,7 @@ static void das16_interrupt(struct comedi_device *dev)
struct comedi_cmd *cmd = &async->cmd;
unsigned long spin_flags;
unsigned long dma_flags;
+ unsigned int nsamples;
int num_bytes, residue;
int buffer_index;
@@ -583,8 +584,9 @@ static void das16_interrupt(struct comedi_device *dev)
spin_unlock_irqrestore(&dev->spinlock, spin_flags);
- cfc_write_array_to_buffer(s,
- devpriv->dma_buffer[buffer_index], num_bytes);
+ nsamples = num_bytes / bytes_per_sample(s);
+ comedi_buf_write_samples(s, devpriv->dma_buffer[buffer_index],
+ nsamples);
comedi_handle_events(dev, s);
}
--
2.0.3
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