diff options
| author | Jonathan Cameron <jic23@cam.ac.uk> | 2011-10-14 16:34:15 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-10-17 15:36:30 -0700 |
| commit | 9ad2e2e1d6506252f31a142a9b04121992af25e3 (patch) | |
| tree | 191e9dc30226336053b5b2f7dbe0b068c2cc799f /drivers/staging/iio/iio_simple_dummy.h | |
| parent | e6477000fced2c961c26fa42845bd388fdf95e79 (diff) | |
staging:iio:dummy Add buffered reading support
Very simple buffered reading. Did not provide a trigger as
the sysfs trigger already meets that requirement.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/iio_simple_dummy.h')
| -rw-r--r-- | drivers/staging/iio/iio_simple_dummy.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/staging/iio/iio_simple_dummy.h b/drivers/staging/iio/iio_simple_dummy.h index 998fd1fd356a..53975d916fc9 100644 --- a/drivers/staging/iio/iio_simple_dummy.h +++ b/drivers/staging/iio/iio_simple_dummy.h @@ -78,4 +78,31 @@ iio_simple_dummy_events_unregister(struct iio_dev *indio_dev) #endif /* CONFIG_IIO_SIMPLE_DUMMY_EVENTS*/ +/** + * enum iio_simple_dummy_scan_elements - scan index enum + * @voltage0: the single ended voltage channel + * @diffvoltage1m2: first differential channel + * @diffvoltage3m4: second differenial channel + * @accelx: acceleration channel + * + * Enum provides convenient numbering for the scan index. + */ +enum iio_simple_dummy_scan_elements { + voltage0, + diffvoltage1m2, + diffvoltage3m4, + accelx, +}; +#ifdef CONFIG_IIO_SIMPLE_DUMMY_BUFFER +int iio_simple_dummy_configure_buffer(struct iio_dev *indio_dev); +void iio_simple_dummy_unconfigure_buffer(struct iio_dev *indio_dev); +#else +static inline int iio_simple_dummy_configure_buffer(struct iio_dev *indio_dev) +{ + return 0; +}; +static inline +void iio_simple_dummy_unconfigure_buffer(struct iio_dev *indio_dev) +{}; +#endif /* CONFIG_IIO_SIMPLE_DUMMY_BUFFER */ |