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Commit f6266a41 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: adl_pci9118: use comedi_bytes_to_samples() 



Remove the assumption of the sample size by using the comedi_bytes_to_samples()
helper function to convert the number of bytes to the number of samples.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e57bfa67

drivers/staging/comedi/drivers/adl_pci9118.c

+1 −3
Original line number Diff line number Diff line
@@ -607,11 +607,9 @@ static void interrupt_pci9118_ai_dma(struct comedi_device *dev, 
	struct pci9118_private *devpriv = dev->private;

	struct comedi_cmd *cmd = &s->async->cmd;

	struct pci9118_dmabuf *dmabuf = &devpriv->dmabuf[devpriv->dma_actbuf];

	unsigned int nsamples;

	unsigned int nsamples = comedi_bytes_to_samples(s, dmabuf->use_size);

	unsigned int next_dma_buf;



	nsamples = dmabuf->use_size >> 1;	/* number of received samples */



	if (devpriv->dma_doublebuf) {	/*

					 * switch DMA buffers if is used

					 * double buffering