camera_common: add -EUSERS to set_torch_mode
To match the public API, seperate camera device in use and other
resources in use errors.
Bug: 2682206
Change-Id: Ie0451931f0c84fc65f3f6294a9f44bec10627afe
diff --git a/include/hardware/camera_common.h b/include/hardware/camera_common.h
index 7d5dce5..0a907b9 100644
--- a/include/hardware/camera_common.h
+++ b/include/hardware/camera_common.h
@@ -748,10 +748,12 @@
* returned if and only if android.flash.info.available is
* false.
*
- * -EBUSY: The flash unit or the resource needed to turn on the torch
- * mode is busy, typically because the camera device is already
- * in use, or some other camera device is using enough
- * resources to make using the flash unit not possible.
+ * -EBUSY: The camera device is already in use.
+ *
+ * -EUSERS: The resources needed to turn on the torch mode are not
+ * available, typically because other camera devices are
+ * holding the resources to make using the flash unit not
+ * possible.
*
* -EINVAL: camera_id is invalid.
*