[PATCH 15/31] staging: comedi: das16m1: use cfc_handle_events()

[H Hartley Sweeten]

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

In the Kconfig, COMEDI_DAS16M1 already selects COMEDI_FC.

Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/staging/comedi/drivers/das16m1.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/drivers/das16m1.c b/drivers/staging/comedi/drivers/das16m1.c
index 0a90ab3..70aecbc 100644
--- a/drivers/staging/comedi/drivers/das16m1.c
+++ b/drivers/staging/comedi/drivers/das16m1.c
@@ -449,8 +449,8 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status)
 	devpriv->adc_count += num_samples;
 
 	if (cmd->stop_src == TRIG_COUNT) {
-		if (devpriv->adc_count >= cmd->stop_arg * cmd->chanlist_len) {	/* end of acquisition */
-			das16m1_cancel(dev, s);
+		if (devpriv->adc_count >= cmd->stop_arg * cmd->chanlist_len) {
+			/* end of acquisition */
 			async->events |= COMEDI_CB_EOA;
 		}
 	}
@@ -458,13 +458,11 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status)
 	/* this probably won't catch overruns since the card doesn't generate
 	 * overrun interrupts, but we might as well try */
 	if (status & OVRUN) {
-		das16m1_cancel(dev, s);
 		async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
 		comedi_error(dev, "fifo overflow");
 	}
 
-	comedi_event(dev, s);
-
+	cfc_handle_events(dev, s);
 }
 
 static int das16m1_poll(struct comedi_device *dev, struct comedi_subdevice *s)
-- 
1.8.5.2