staging: comedi: adv_pci1710: use cfc_handle_events()

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

Update the Kconfig to select COMEDI_FC when COMEDI_ADL_PCI9111 is enabled.

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/Kconfig b/drivers/staging/comedi/Kconfig
index b89b145..8076734 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -753,6 +753,7 @@
 
 config COMEDI_ADV_PCI1710
 	tristate "Advantech PCI-171x, PCI-1720 and PCI-1731 support"
+	select COMEDI_FC
 	---help---
 	  Enable support for Advantech PCI-1710, PCI-1710HG, PCI-1711,
 	  PCI-1713, PCI-1720 and PCI-1731