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staging: comedi: dt3000: use cfc_handle_events()

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Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Update the Kconfig so that COMEDI_DT3000 selects COMEDI_FC.

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 2014-03-07 17:31:42 -07:00 committed by Greg Kroah-Hartman
parent 199c3536dd
commit d288151847
2 changed files with 3 additions and 4 deletions
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1
drivers/staging/comedi/Kconfig
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@ -860,6 +860,7 @@ config COMEDI_DAS08_PCI
config COMEDI_DT3000
tristate "Data Translation DT3000 series support"
select COMEDI_FC
---help---
Enable support for Data Translation DT3000 series
DT3001, DT3001-PGL, DT3002, DT3003, DT3003-PGL, DT3004, DT3005 and

6
drivers/staging/comedi/drivers/dt3000.c
View File

@ -369,12 +369,10 @@ static irqreturn_t dt3k_interrupt(int irq, void *d)
s->async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;
debug_n_ints++;
if (debug_n_ints >= 10) {
dt3k_ai_cancel(dev, s);
if (debug_n_ints >= 10)
s->async->events |= COMEDI_CB_EOA;
}
comedi_event(dev, s);
cfc_handle_events(dev, s);
return IRQ_HANDLED;
}