From 74d3ac25fbf35a5adaadc9ecc01999517951bfa2 Mon Sep 17 00:00:00 2001
From: Matt Buckley <mattbuckley@google.com>
Date: Mon, 22 Apr 2024 21:35:59 +0000
Subject: [PATCH] Update PowerHAL documentation to clarify Session ID size
 restriction

Test: n/a
Bug: 315894228
Change-Id: I69ee157bc79e26578bd13a907662ac8756d7ce47
---
 power/aidl/android/hardware/power/SessionConfig.aidl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/power/aidl/android/hardware/power/SessionConfig.aidl b/power/aidl/android/hardware/power/SessionConfig.aidl
index 93dc9a278e..ca89183e16 100644
--- a/power/aidl/android/hardware/power/SessionConfig.aidl
+++ b/power/aidl/android/hardware/power/SessionConfig.aidl
@@ -25,6 +25,9 @@ parcelable SessionConfig {
     /**
      * The session's unique ID, used to identify the session for debugging and
      * for multiplexing on the per-process FMQ channel.
+     *
+     * Values that fit in the 32-bit int range value must be provided when using
+     * the FMQ API, as the FMQ messages can only accept 32-bit Session IDs.
      */
     long id;
 }