From 6c012ab2194aa230e7cdb83e6f509f4b37d7f0a9 Mon Sep 17 00:00:00 2001
From: Jack Yu <jackyu@google.com>
Date: Sat, 27 Feb 2021 00:44:45 -0800
Subject: [PATCH] Explictly disallow LTE_CA as a RAT type

LTE_CA is not an actual RAT type defined by 3GPP spec. Vendor
should use the proper APIs to report carrier aggregation.

Fix: 181385251
Test: Build
Change-Id: I72cd8dade73470e7315a21e32fff72b93c08f1f7
---
 radio/1.6/types.hal | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/radio/1.6/types.hal b/radio/1.6/types.hal
index 238ffb489c..a707045823 100644
--- a/radio/1.6/types.hal
+++ b/radio/1.6/types.hal
@@ -697,8 +697,10 @@ struct RegStateResult {
     RegState regState;
 
     /**
-     * Indicates the available voice radio technology, valid values as
-     * defined by RadioTechnology.
+     * Indicates the available voice radio technology, valid values as defined by RadioTechnology,
+     * except LTE_CA, which is no longer a valid value on 1.5 or above. When the device is on
+     * carrier aggregation, vendor RIL service should properly report multiple PhysicalChannelConfig
+     * elements through IRadio::currentPhysicalChannelConfigs_1_6.
      */
     RadioTechnology rat;