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authorHans Verkuil <hverkuil@xs4all.nl>2017-11-23 09:05:06 -0500
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-12-08 11:10:37 -0500
commit15ae0be9c671e912a6749d821bc69ccfff766c19 (patch)
treed87f98d8b942b7914724b49aa4d8915374e98017
parent48ea2e926b5ad29c0747fbd90e605cc56fb78298 (diff)
media: cec-core.rst: document the new adap_monitor_pin_enable op
Document what this op does. 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.rst14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/media/kapi/cec-core.rst b/Documentation/media/kapi/cec-core.rst
index d37e107f2fde..62b9a1448177 100644
--- a/Documentation/media/kapi/cec-core.rst
+++ b/Documentation/media/kapi/cec-core.rst
@@ -103,6 +103,7 @@ your driver:
/* Low-level callbacks */
int (*adap_enable)(struct cec_adapter *adap, bool enable);
int (*adap_monitor_all_enable)(struct cec_adapter *adap, bool enable);
+ int (*adap_monitor_pin_enable)(struct cec_adapter *adap, bool enable);
int (*adap_log_addr)(struct cec_adapter *adap, u8 logical_addr);
int (*adap_transmit)(struct cec_adapter *adap, u8 attempts,
u32 signal_free_time, struct cec_msg *msg);
@@ -144,6 +145,19 @@ called if the CEC_CAP_MONITOR_ALL capability is set. This callback is optional
Note that adap_monitor_all_enable must return 0 if enable is false.
+To enable/disable the 'monitor pin' mode:
+
+.. c:function::
+ int (*adap_monitor_pin_enable)(struct cec_adapter *adap, bool enable);
+
+If enabled, then the adapter should be put in a mode to also monitor CEC pin
+changes. Not all hardware supports this and this function is only called if
+the CEC_CAP_MONITOR_PIN capability is set. This callback is optional
+(some hardware may always be in 'monitor pin' mode).
+
+Note that adap_monitor_pin_enable must return 0 if enable is false.
+
+
To program a new logical address:
.. c:function::

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