From: Hans Verkuil <hans.verkuil@xxxxxxxxx> Document what this callback does. Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> --- Documentation/media/kapi/cec-core.rst | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/Documentation/media/kapi/cec-core.rst b/Documentation/media/kapi/cec-core.rst index 8a65c69ed071..6ea2c9c80182 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 */ ... @@ -181,8 +182,13 @@ To log the current CEC hardware status: .. c:function:: void (*adap_status)(struct cec_adapter *adap, struct seq_file *file); -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 -- 2.11.0
