staging: comedi: amplc_pci224: use comedi_buf_read_samples()

Use the new generic method to read the analog output samples from the async
buffer.

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/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index 9fcf6f7..342779f 100644 (file)
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -514,14 +514,13 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
 {
        struct pci224_private *devpriv = dev->private;
        struct comedi_cmd *cmd = &s->async->cmd;
-       unsigned int bytes_per_scan = comedi_bytes_per_scan(s);
        unsigned int num_scans;
        unsigned int room;
        unsigned short dacstat;
        unsigned int i, n;
 
        /* Determine number of scans available in buffer. */
-       num_scans = comedi_buf_read_n_available(s) / bytes_per_scan;
+       num_scans = comedi_buf_read_n_available(s) / comedi_bytes_per_scan(s);
        if (cmd->stop_src == TRIG_COUNT) {
                /* Fixed number of scans. */
                if (num_scans > devpriv->ao_stop_count)
@@ -568,8 +567,8 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
 
        /* Process scans. */
        for (n = 0; n < num_scans; n++) {
-               cfc_read_array_from_buffer(s, &devpriv->ao_scan_vals[0],
-                                          bytes_per_scan);
+               comedi_buf_read_samples(s, &devpriv->ao_scan_vals[0],
+                                       cmd->chanlist_len);
                for (i = 0; i < cmd->chanlist_len; i++) {
                        outw(devpriv->ao_scan_vals[devpriv->ao_scan_order[i]],
                             dev->iobase + PCI224_DACDATA);