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[media] cec-core.rst: document the new cec_get_drvdata() helper

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Document the new cec_get_drvdata() helper function.

Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Hans Verkuil 2017-03-27 06:53:00 -03:00 • committed by Mauro Carvalho Chehab
commit 6eae60c5a0
1 changed files with 5 additions and 0 deletions
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5
Documentation/media/kapi/cec-core.rst
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@ -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: