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/usbduxfast.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/comedi/drivers/usbduxfast.c
b/drivers/staging/comedi/drivers/usbduxfast.c
index 95c2ec7..70ec2f5 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -249,19 +249,17 @@ static void usbduxfast_ai_handle_urb(struct comedi_device
*dev,
devpriv->ignore--;
} else {
unsigned int nbytes = urb->actual_length;
+ unsigned int nsamples = nbytes / bytes_per_sample(s);
if (cmd->stop_src == TRIG_COUNT) {
- unsigned int nsamples = nbytes / bytes_per_sample(s);
-
if (devpriv->ai_sample_count < nsamples) {
nsamples = devpriv->ai_sample_count;
async->events |= COMEDI_CB_EOA;
}
devpriv->ai_sample_count -= nsamples;
- nbytes = nsamples * bytes_per_sample(s);
}
- cfc_write_array_to_buffer(s, urb->transfer_buffer, nbytes);
+ comedi_buf_write_samples(s, urb->transfer_buffer, nsamples);
}
/* if command is still running, resubmit urb for BULK transfer */
--
2.0.3
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