Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().
In the Kconfig, COMEDI_AMPLC_PCI224 already selects COMEDI_FC.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/amplc_pci224.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c
b/drivers/staging/comedi/drivers/amplc_pci224.c
index 8be36b8..29e01e2 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -533,9 +533,8 @@ static void pci224_ao_start(struct comedi_device *dev,
set_bit(AO_CMD_STARTED, &devpriv->state);
if (!devpriv->ao_stop_continuous && devpriv->ao_stop_count == 0) {
/* An empty acquisition! */
- pci224_ao_stop(dev, s);
s->async->events |= COMEDI_CB_EOA;
- comedi_event(dev, s);
+ cfc_handle_events(dev, s);
} else {
/* Enable interrupts. */
spin_lock_irqsave(&devpriv->ao_spinlock, flags);
@@ -585,9 +584,8 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
room = PCI224_FIFO_ROOM_EMPTY;
if (!devpriv->ao_stop_continuous && devpriv->ao_stop_count ==
0) {
/* FIFO empty at end of counted acquisition. */
- pci224_ao_stop(dev, s);
s->async->events |= COMEDI_CB_EOA;
- comedi_event(dev, s);
+ cfc_handle_events(dev, s);
return;
}
break;
@@ -605,9 +603,8 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
/* FIFO is less than half-full. */
if (num_scans == 0) {
/* Nothing left to put in the FIFO. */
- pci224_ao_stop(dev, s);
- s->async->events |= COMEDI_CB_OVERFLOW;
dev_err(dev->class_dev, "AO buffer underrun\n");
+ s->async->events |= COMEDI_CB_OVERFLOW;
}
}
/* Determine how many new scans can be put in the FIFO. */
@@ -670,9 +667,8 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
PCI224_DACCON_TRIG_MASK);
outw(devpriv->daccon, dev->iobase + PCI224_DACCON);
}
- if (s->async->events)
- comedi_event(dev, s);
+ cfc_handle_events(dev, s);
}
/*
--
1.8.5.2
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