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camera_common.h: Add STATUS_ENUMERATING enum

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Change-Id: I0986d37364a2666d493cb771fa76967aa051ca5d
This commit is contained in:
Igor Murashkin 2013-03-18 13:30:14 -07:00
parent ad186ba61c
commit 152b50fda6
1 changed files with 20 additions and 1 deletions
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21
include/hardware/camera_common.h
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@ -172,6 +172,18 @@ typedef struct camera_info {
*
* The current status of the camera device, as provided by the HAL through the
* camera_module_callbacks.camera_device_status_change() call.
*
* At module load time, the framework will assume all camera devices are in the
* CAMERA_DEVICE_STATUS_PRESENT state. The HAL should invoke
* camera_module_callbacks::camera_device_status_change to inform the framework
* of any initially NOT_PRESENT devices.
*
* Allowed transitions:
* PRESENT -> NOT_PRESENT
* NOT_PRESENT -> ENUMERATING
* NOT_PRESENT -> PRESENT
* ENUMERATING -> PRESENT
* ENUMERATING -> NOT_PRESENT
*/
typedef enum camera_device_status {
/**
@ -187,7 +199,14 @@ typedef enum camera_device_status {
* change. By default, the framework will assume all devices are in this
* state.
*/
CAMERA_DEVICE_STATUS_PRESENT = 1
CAMERA_DEVICE_STATUS_PRESENT = 1,
/**
* The camera device is connected, but it is undergoing an enumeration and
* so opening the device will return -EBUSY. Calls to get_camera_info
* must still succeed, as if the camera was in the PRESENT status.
*/
CAMERA_DEVICE_STATUS_ENUMERATING = 2,
} camera_device_status_t;