threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
|
|
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
* only version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#include <linux/notifier.h>
|
|
|
|
static BLOCKING_NOTIFIER_HEAD(odm_drm_notifier_list);
|
|
|
|
/**
|
|
* drm_register_client - register a client notifier
|
|
* @nb: notifier block to callback on events
|
|
*
|
|
* This function registers a notifier callback function
|
|
* to msm_drm_notifier_list, which would be called when
|
|
* received unblank/power down event.
|
|
*/
|
|
int drm_register_client(struct notifier_block *nb)
|
|
{
|
|
return blocking_notifier_chain_register(&odm_drm_notifier_list, nb);
|
|
}
|
|
EXPORT_SYMBOL(drm_register_client);
|
|
|
|
/**
|
|
* drm_unregister_client - unregister a client notifier
|
|
* @nb: notifier block to callback on events
|
|
*
|
|
* This function unregisters the callback function from
|
|
* msm_drm_notifier_list.
|
|
*/
|
|
int drm_unregister_client(struct notifier_block *nb)
|
|
{
|
|
return blocking_notifier_chain_unregister(&odm_drm_notifier_list, nb);
|
|
}
|
|
EXPORT_SYMBOL(drm_unregister_client);
|
|
|
|
/**
|
|
* drm_notifier_call_chain - notify clients of drm_events
|
|
* @val: event MSM_DRM_EARLY_EVENT_BLANK or MSM_DRM_EVENT_BLANK
|
|
* @v: notifier data, inculde display id and display blank
|
|
* event(unblank or power down).
|
|
*/
|
|
int drm_notifier_call_chain(unsigned long val, void *v)
|
|
{
|
|
return blocking_notifier_call_chain(&odm_drm_notifier_list, val, v);
|
|
}
|
|
EXPORT_SYMBOL(drm_notifier_call_chain);
|
|
|