From 2e7b65e4bbe3b35ece1b8c8179a77071be042c38 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 22 Oct 2014 15:36:41 -0700 Subject: [PATCH] staging: comedi: das16: use comedi_buf_write_samples() 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 Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- 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 5d47d0a1d45f..aa9e3e10d59d 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); } -- 2.39.5