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staging: comedi: amplc_pci230: use cfc_bytes_per_scan()

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Use the comedi_fc helper function to get the '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>
This commit is contained in:
H Hartley Sweeten 2014-05-27 10:31:07 -07:00 committed by Greg Kroah-Hartman
parent 35a5103099
commit b7a775f815
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/comedi/drivers/amplc_pci230.c
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@ -1197,15 +1197,13 @@ static int pci230_handle_ao_fifo(struct comedi_device *dev,
unsigned int room;
unsigned short dacstat;
unsigned int i, n;
unsigned int bytes_per_scan;
unsigned int events = 0;
int running;
/* Get DAC FIFO status. */
dacstat = inw(dev->iobase + PCI230_DACCON);
/* Determine number of scans available in buffer. */
bytes_per_scan = cmd->chanlist_len * sizeof(short);
num_scans = comedi_buf_read_n_available(s) / bytes_per_scan;
num_scans = comedi_buf_read_n_available(s) / cfc_bytes_per_scan(s);
if (cmd->stop_src == TRIG_COUNT) {
/* Fixed number of scans. */
if (num_scans > devpriv->ao_scan_count)