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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2022-02-03 13:11:15 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-04-24 08:41:35 +0200
commitf1b57164305d6342b9f77a4f4482cde492b56983 (patch)
tree7877791677c5e594fbfbcdb66ba0316243830f69 /Documentation/driver-api
parentmedia: cec: add xfer_timeout_ms field (diff)
downloadlinux-f1b57164305d6342b9f77a4f4482cde492b56983.tar.xz
linux-f1b57164305d6342b9f77a4f4482cde492b56983.zip
media: cec: add optional adap_configured callback
This new optional callback is called when the adapter is fully configured or fully unconfigured. Some drivers may have to take action when this happens. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation/driver-api')
-rw-r--r--Documentation/driver-api/media/cec-core.rst13
1 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/driver-api/media/cec-core.rst b/Documentation/driver-api/media/cec-core.rst
index c6194ee81c41..ae0d20798edc 100644
--- a/Documentation/driver-api/media/cec-core.rst
+++ b/Documentation/driver-api/media/cec-core.rst
@@ -109,6 +109,7 @@ your driver:
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);
+ void (*adap_configured)(struct cec_adapter *adap, bool configured);
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);
@@ -117,7 +118,7 @@ your driver:
/* Error injection callbacks */
...
- /* High-level callbacks */
+ /* High-level callback */
...
};
@@ -178,6 +179,16 @@ can receive directed messages to that address.
Note that adap_log_addr must return 0 if logical_addr is CEC_LOG_ADDR_INVALID.
+Called when the adapter is fully configured or unconfigured::
+
+ void (*adap_configured)(struct cec_adapter *adap, bool configured);
+
+If configured == true, then the adapter is fully configured, i.e. all logical
+addresses have been successfully claimed. If configured == false, then the
+adapter is unconfigured. If the driver has to take specific actions after
+(un)configuration, then that can be done through this optional callback.
+
+
To transmit a new message::
int (*adap_transmit)(struct cec_adapter *adap, u8 attempts,