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staging: comedi: comedi_test: use comedi_handle_events()

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Use comedi_handle_events() to automatically (*cancel) the async command
for an end-of-acquisition or if an error/overflow occurs.

For aesthetics, add a local variable for the comedi_subdevice pointer.

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 2014-09-18 11:35:34 -07:00 committed by Greg Kroah-Hartman
parent 066021912a
commit 2405124744
1 changed files with 4 additions and 3 deletions
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7
drivers/staging/comedi/drivers/comedi_test.c
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@ -164,7 +164,8 @@ static void waveform_ai_interrupt(unsigned long arg)
{
struct comedi_device *dev = (struct comedi_device *)arg;
struct waveform_private *devpriv = dev->private;
struct comedi_async *async = dev->read_subdev->async;
struct comedi_subdevice *s = dev->read_subdev;
struct comedi_async *async = s->async;
struct comedi_cmd *cmd = &async->cmd;
unsigned int i, j;
/* all times in microsec */
@ -203,7 +204,7 @@ static void waveform_ai_interrupt(unsigned long arg)
devpriv->usec_current +
i * devpriv->scan_period +
j * devpriv->convert_period);
cfc_write_to_buffer(dev->read_subdev, sample);
cfc_write_to_buffer(s, sample);
}
}
@ -216,7 +217,7 @@ static void waveform_ai_interrupt(unsigned long arg)
else
mod_timer(&devpriv->timer, jiffies + 1);
comedi_event(dev, dev->read_subdev);
comedi_handle_events(dev, s);
}
static int waveform_ai_cmdtest(struct comedi_device *dev,