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36518f8eef
This reverts commit f415f561a8.
Current HAL assumes that no new setCallback() is called after the start
of camera provider. Having more than one callback listeners breaks that
implicit assumption. It may not be trivial for HAL to add support for
multiple callback listeners
Test: CameraAidlTest#setTorchMode passes
Bug: 251111588
Change-Id: Idd2a250dc325b1a1080c1fa6562507e563cf545c
Camera Provider HAL
Overview:
The camera.provider HAL is used by the Android camera service to discover, query, and open individual camera devices.
It also allows for direct control of the flash unit of camera devices that have one, for turning on/off torch mode.
More complete information about the Android camera HAL and subsystem can be found at source.android.com.
Version history:
types.hal:
@0.0:
Common enum and struct definitions for all camera HAL interfaces. Does not define any interfaces of its own.
ICameraProvider.hal:
@2.4:
First HIDL version of the camera provider HAL, closely matching the feature set and operation of the pre-HIDL camera HAL module v2.4.
ICameraProviderCallback.hal:
@2.4:
First HIDL version of the camara provider HAL callback interface, closely matching the feature set and operation of the pre-HIDL camera HAL module callbacks v2.4.