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| author | Michael Hennerich <michael.hennerich@analog.com> | 2012-04-27 10:58:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-29 21:26:17 -0400 |
| commit | fc6d11398e22a3b2cfd7c3b8421653c6075b624b (patch) | |
| tree | 9347433ec6449472a10b48d3d01c8526b048a03b /include/linux/iio | |
| parent | 73e016ef94d801bd0278959606d2f72f07a2abab (diff) | |
| download | linux-fc6d11398e22a3b2cfd7c3b8421653c6075b624b.tar.gz linux-fc6d11398e22a3b2cfd7c3b8421653c6075b624b.tar.xz | |
iio: core: iio_chan_spec_ext_info: Add private handle
There is currently no user, but we might need it in future.
So better add it now, before we have to convert drivers afterwards.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/iio')
| -rw-r--r-- | include/linux/iio/iio.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 43002b2b1e38..6fdbdb858e35 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -111,14 +111,17 @@ struct iio_dev; * @shared: Whether this attribute is shared between all channels. * @read: Read callback for this info attribute, may be NULL. * @write: Write callback for this info attribute, may be NULL. + * @private: Data private to the driver. */ struct iio_chan_spec_ext_info { const char *name; bool shared; - ssize_t (*read)(struct iio_dev *, struct iio_chan_spec const *, - char *buf); - ssize_t (*write)(struct iio_dev *, struct iio_chan_spec const *, - const char *buf, size_t len); + ssize_t (*read)(struct iio_dev *, uintptr_t private, + struct iio_chan_spec const *, char *buf); + ssize_t (*write)(struct iio_dev *, uintptr_t private, + struct iio_chan_spec const *, const char *buf, + size_t len); + uintptr_t private; }; /** |