From: Hans Verkuil hans.verkuil@cisco.com
Document what this callback does.
Signed-off-by: Hans Verkuil hans.verkuil@cisco.com --- Documentation/media/kapi/cec-core.rst | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/Documentation/media/kapi/cec-core.rst b/Documentation/media/kapi/cec-core.rst index 8a65c69ed071..bb066b2b26f8 100644 --- a/Documentation/media/kapi/cec-core.rst +++ b/Documentation/media/kapi/cec-core.rst @@ -107,6 +107,7 @@ your driver: int (*adap_transmit)(struct cec_adapter *adap, u8 attempts, u32 signal_free_time, struct cec_msg *msg); void (*adap_status)(struct cec_adapter *adap, struct seq_file *file); + void (*adap_free)(struct cec_adapter *adap);
/* High-level callbacks */ ... @@ -184,6 +185,14 @@ To log the current CEC hardware status: This optional callback can be used to show the status of the CEC hardware. The status is available through debugfs: cat /sys/kernel/debug/cec/cecX/status
+To free any resources when the adapter is deleted: + +.. c:function:: + void (*adap_free)(struct cec_adapter *adap); + +This optional callback can be used to free any resources that might have been +allocated by the driver. It's called from cec_delete_adapter. +
Your adapter driver will also have to react to events (typically interrupt driven) by calling into the framework in the following situations: