diff options
| author | Ian Abbott <abbotti@mev.co.uk> | 2014-05-06 13:12:00 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-23 21:25:47 +0900 |
| commit | 458c13e935d9f33fffb099e49ecb53c67ddd1a21 (patch) | |
| tree | d60ed577a2e195673d0853ccba0ac1cd6557f779 /drivers/staging/comedi/comedidev.h | |
| parent | 3672effdeae5395d661a2103f69082146ef949fc (diff) | |
staging: comedi: pass subdevice to comedi_buf_get()
Change the parameters of `comedi_buf_get()` to pass a pointer to the
comedi subdevice instead of a pointer to the "async" structure belonging
to the subdevice.
The function gets a sample value from the comedi buffer, but currently
only deals with 16-bit sample types. A future version could deal with
16 or 32-bit sample types depending on the value of the SDF_LSAMPL
subdevice flag.
The main aim at the moment is to replace all the `struct comedi_async *`
parameters with `struct comedi_subdevice *` parameters in the comedi
driver API.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
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, 1 insertions, 1 deletions
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index a874c1c43a32..d19a20ca91b7 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -344,7 +344,7 @@ unsigned int comedi_buf_read_alloc(struct comedi_async *, unsigned int); unsigned int comedi_buf_read_free(struct comedi_async *, unsigned int); int comedi_buf_put(struct comedi_subdevice *s, unsigned short x); -int comedi_buf_get(struct comedi_async *, unsigned short *); +int comedi_buf_get(struct comedi_subdevice *s, unsigned short *x); void comedi_buf_memcpy_to(struct comedi_async *async, unsigned int offset, const void *source, unsigned int num_bytes); |