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Diffstat (limited to 'Documentation/media/kapi/cec-core.rst')
| -rw-r--r-- | Documentation/media/kapi/cec-core.rst | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/Documentation/media/kapi/cec-core.rst b/Documentation/media/kapi/cec-core.rst index 81c6d8e93774..7a04c5386dc8 100644 --- a/Documentation/media/kapi/cec-core.rst +++ b/Documentation/media/kapi/cec-core.rst @@ -27,11 +27,8 @@ HDMI 1.3a specification is sufficient: http://www.microprocessor.org/HDMISpecification13a.pdf -The Kernel Interface -==================== - -CEC Adapter ------------ +CEC Adapter Interface +--------------------- The struct cec_adapter represents the CEC adapter hardware. It is created by calling cec_allocate_adapter() and deleted by calling cec_delete_adapter(): @@ -51,6 +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. @@ -65,6 +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: |