mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-14 15:54:15 +08:00
befe5404a0
Add X86 specific arch init code, which fills the privacy-screen lookup table by checking for various vendor specific ACPI interfaces for controlling the privacy-screen. This initial version only checks for the Lenovo Thinkpad specific ACPI methods for privacy-screen control. Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211005202322.700909-4-hdegoede@redhat.com
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/* SPDX-License-Identifier: MIT */
|
|
/*
|
|
* Copyright (C) 2020 Red Hat, Inc.
|
|
*
|
|
* Authors:
|
|
* Hans de Goede <hdegoede@redhat.com>
|
|
*/
|
|
|
|
#ifndef __DRM_PRIVACY_SCREEN_MACHINE_H__
|
|
#define __DRM_PRIVACY_SCREEN_MACHINE_H__
|
|
|
|
#include <linux/list.h>
|
|
|
|
/**
|
|
* struct drm_privacy_screen_lookup - static privacy-screen lookup list entry
|
|
*
|
|
* Used for the static lookup-list for mapping privacy-screen consumer
|
|
* dev-connector pairs to a privacy-screen provider.
|
|
*/
|
|
struct drm_privacy_screen_lookup {
|
|
/** @list: Lookup list list-entry. */
|
|
struct list_head list;
|
|
/** @dev_id: Consumer device name or NULL to match all devices. */
|
|
const char *dev_id;
|
|
/** @con_id: Consumer connector name or NULL to match all connectors. */
|
|
const char *con_id;
|
|
/** @provider: dev_name() of the privacy_screen provider. */
|
|
const char *provider;
|
|
};
|
|
|
|
void drm_privacy_screen_lookup_add(struct drm_privacy_screen_lookup *lookup);
|
|
void drm_privacy_screen_lookup_remove(struct drm_privacy_screen_lookup *lookup);
|
|
|
|
#if IS_ENABLED(CONFIG_DRM_PRIVACY_SCREEN) && IS_ENABLED(CONFIG_X86)
|
|
void drm_privacy_screen_lookup_init(void);
|
|
void drm_privacy_screen_lookup_exit(void);
|
|
#else
|
|
static inline void drm_privacy_screen_lookup_init(void)
|
|
{
|
|
}
|
|
static inline void drm_privacy_screen_lookup_exit(void)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#endif
|