include/media/cec-notifier.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * cec-notifier.h - notify CEC drivers of physical address changes
6  * Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
13 #include <media/cec.h>
23  * cec_notifier_conn_register - find or create a new cec_notifier for the given
24  * HDMI device and connector tuple.
25  * @hdmi_dev: HDMI device that sends the events.
27  * if there is always only one HDMI connector created by the HDMI device.
43  * cec_notifier_conn_unregister - decrease refcount and delete when the
50  * cec_notifier_cec_adap_register - find or create a new cec_notifier for the
52  * @hdmi_dev: HDMI device that sends the events.
54  * if there is always only one HDMI connector created by the HDMI device.
55  * @adap: the cec adapter that registered this notifier.
70  * cec_notifier_cec_adap_unregister - decrease refcount and delete when the
73  * @adap: the cec adapter that registered this notifier.
79  * cec_notifier_set_phys_addr - set a new physical address.
80  * @n: the CEC notifier
81  * @pa: the CEC physical address
83  * Set a new CEC physical address.
89  * cec_notifier_set_phys_addr_from_edid - set parse the PA from the EDID.
90  * @n: the CEC notifier
93  * Parses the EDID to obtain the new CEC physical address and set it.
100  * cec_notifier_parse_hdmi_phandle - find the hdmi device from "hdmi-phandle"
101  * @dev: the device with the "hdmi-phandle" device tree property
103  * Returns the device pointer referenced by the "hdmi-phandle" property.
106  * list, but it is never accessed by the CEC driver.
116 	/* A non-NULL pointer is expected on success */  in cec_notifier_conn_register()
128 	/* A non-NULL pointer is expected on success */  in cec_notifier_cec_adap_register()
148 	return ERR_PTR(-ENODEV);  in cec_notifier_parse_hdmi_phandle()
154  * cec_notifier_phys_addr_invalidate() - set the physical address to INVALID
156  * @n: the CEC notifier