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author | Hans Verkuil <hverkuil@xs4all.nl> | 2017-03-27 06:53:00 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-05 15:21:23 -0300 |
commit | 6eae60c5a0f05e0a9be01d6520d6e3017edc9c0d (patch) | |
tree | b1eaeb3e80d80081b5e3e7fdbbedf2e7980677bc | |
parent | 055075a3e8b8992f86707d3d7d20b857e71d205d (diff) | |
download | linux-stable-6eae60c5a0f05e0a9be01d6520d6e3017edc9c0d.tar.gz linux-stable-6eae60c5a0f05e0a9be01d6520d6e3017edc9c0d.tar.bz2 linux-stable-6eae60c5a0f05e0a9be01d6520d6e3017edc9c0d.zip |
[media] cec-core.rst: document the new cec_get_drvdata() helper
Document the new cec_get_drvdata() helper function.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
-rw-r--r-- | Documentation/media/kapi/cec-core.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/media/kapi/cec-core.rst b/Documentation/media/kapi/cec-core.rst index 79db7747ff40..7a04c5386dc8 100644 --- a/Documentation/media/kapi/cec-core.rst +++ b/Documentation/media/kapi/cec-core.rst @@ -48,6 +48,7 @@ ops: priv: will be stored in adap->priv and can be used by the adapter ops. + Use cec_get_drvdata(adap) to get the priv pointer. name: the name of the CEC adapter. Note: this name will be copied. @@ -62,6 +63,10 @@ available_las: the number of simultaneous logical addresses that this adapter can handle. Must be 1 <= available_las <= CEC_MAX_LOG_ADDRS. +To obtain the priv pointer use this helper function: + +.. c:function:: + void *cec_get_drvdata(const struct cec_adapter *adap); To register the /dev/cecX device node and the remote control device (if CEC_CAP_RC is set) you call: |