From bcdbe8848e8dbcd0bee3fcfa86c08f16c9730a15 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 22 Oct 2014 14:36:35 -0700 Subject: [PATCH] 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 Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/amplc_pci224.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c index 9fcf6f7..342779f 100644 --- 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); -- 2.7.4