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drivers: media: CDI: Add Des's power control

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Add the new IOCTL command to control the deserilaizer's PWDN signal
instead of enabling it when CDI root opens

Bug 3879569

Change-Id: Ia07c3b4266e1f137d197af130fb2bf12e52a1767
Signed-off-by: Junghyun Kim <juskim@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2835141
(cherry picked from commit 29fb31dad2e63d2669a6a6eb5c2751092b7097e2)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2847959
(cherry picked from commit bd9766952be10722f4cc6a17ff582005b3138b08)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2854722
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Tested-by: Frank Chen <frankc@nvidia.com>
Reviewed-by: Frank Chen <frankc@nvidia.com>
Reviewed-by: Mohit Ingale <mohiti@nvidia.com>
Reviewed-by: Shiva Dubey <sdubey@nvidia.com>
This commit is contained in:
Junghyun Kim
2022-12-29 17:45:12 -08:00
committed by mobile promotions
parent 55cee03ee7
commit b8817415d5
2 changed files with 53 additions and 32 deletions
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4
include/uapi/media/cdi-mgr.h
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@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// Copyright (c) 2020-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#ifndef __UAPI_TEGRA_CDI_MGR_H__
#define __UAPI_TEGRA_CDI_MGR_H__
@@ -21,6 +21,8 @@
#define CDI_MGR_IOCTL_GET_EXT_PWR_CTRL _IOR('o', 12, __u8)
#define CDI_MGR_IOCTL_ENABLE_ERROR_REPORT _IO('o', 13)
#define CDI_MGR_IOCTL_GET_PWR_INFO _IOW('o', 14, struct cdi_mgr_pwr_ctrl_info)
#define CDI_MGR_IOCTL_ENABLE_DES_POWER _IO('o', 15)
#define CDI_MGR_IOCTL_DISABLE_DES_POWER _IO('o', 16)
#define CDI_MGR_POWER_ALL 5
#define MAX_CDI_NAME_LENGTH 32