From 2ee37750014220c5cc5f560e967432edb870c890 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 5 Nov 2014 10:31:29 -0700 Subject: staging: comedi: drivers: introduce comedi_nscans_left() Introduce a helper function to determine the number of scans left in the async command. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/comedidev.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/staging/comedi/comedidev.h') diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index b5e0ec3e4bf8..616e9b08c026 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -516,6 +516,8 @@ int comedi_dio_insn_config(struct comedi_device *, struct comedi_subdevice *, unsigned int comedi_dio_update_state(struct comedi_subdevice *, unsigned int *data); unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s); +unsigned int comedi_nscans_left(struct comedi_subdevice *s, + unsigned int nscans); void comedi_inc_scan_progress(struct comedi_subdevice *s, unsigned int num_bytes); -- cgit v1.2.3