staging: comedi: das16: use cfc_bytes_per_scan()

Use the comedi_fc helper to get the number of bytes per scan.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c
index f40d422..2feecf1 100644 (file)
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -762,8 +762,7 @@ static int das16_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s)
                return -1;
        }
 
-       devpriv->adc_byte_count =
-           cmd->stop_arg * cmd->chanlist_len * sizeof(uint16_t);
+       devpriv->adc_byte_count = cmd->stop_arg * cfc_bytes_per_scan(s);
 
        if (devpriv->can_burst)
                outb(DAS1600_CONV_DISABLE, dev->iobase + DAS1600_CONV_REG);