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authorUmang Jain <email@uajain.com>2020-08-21 14:46:11 +0000
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2020-08-23 20:46:12 +0300
commit20be38a0db2bfcbd9973ea63ba30e41fca83b200 (patch)
tree1acc29142aa0df71b193ed10f71cd4b6cb6d7a8e /Documentation/guides/introduction.rst
parent12b939aa5360089eb2299ed861b1ee1c77669d1b (diff)
android: camera_hal_manager: Support camera hotplug
Extend the support for camera hotplug from libcamera's CameraManager to CameraHalManager. Use camera module callbacks to let the framework know about the hotplug events and change the status of cameras being hotplugged or unplugged via camera_device_status_change(). Introduce a map cameraIdsMap_ which book-keeps all cameras seen in the past by the CameraHalManager. If the camera is seen for the first time, a new id is assigned to it. If the camera has been seen before by the manager, its old id is reused. IDs for internal cameras start with '0' and for external cameras, they start with '1000'. Accesses to cameraIdsMap_ and cameras_ are protected by a mutex. Signed-off-by: Umang Jain <email@uajain.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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