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author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2014-11-05 10:31:29 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-07 09:29:41 -0800 |
commit | 2ee37750014220c5cc5f560e967432edb870c890 (patch) | |
tree | 85101b2f705d35b31e606346727c287f32548a3d /drivers/staging/comedi/comedidev.h | |
parent | staging: comedi: split out PCI support into new module (diff) | |
download | linux-2ee37750014220c5cc5f560e967432edb870c890.tar.gz linux-2ee37750014220c5cc5f560e967432edb870c890.tar.bz2 linux-2ee37750014220c5cc5f560e967432edb870c890.zip |
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 <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/comedidev.h')
-rw-r--r-- | drivers/staging/comedi/comedidev.h | 2 |
1 files changed, 2 insertions, 0 deletions
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); |