From 4905809ff334be2a1db903f5a9e3d67e40b7cb36 Mon Sep 17 00:00:00 2001
From: Jie Song <jies@google.com>
Date: Wed, 10 May 2017 10:10:06 -0700
Subject: [PATCH] Adding system properties for modem logging

Bug: 37115787
Test: Manually trigger bugreport
Change-Id: I611083c0c23fab4887beaf0aed0139aa0b5d5e41
---
 device.mk       | 8 ++++++++
 init.logging.rc | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/device.mk b/device.mk
index 310596c..f487f12 100644
--- a/device.mk
+++ b/device.mk
@@ -66,3 +66,11 @@ PRODUCT_COPY_FILES += \
 AB_OTA_PARTITIONS += \
     vbmeta
 
+# Enable modem logging
+ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
+PRODUCT_PROPERTY_OVERRIDES += \
+    persist.sys.modem.diag.mdlog=true \
+    ro.radio.log_loc="/data/vendor/modem_dump" \
+    ro.radio.log_prefix="modem_log_"
+endif
+
diff --git a/init.logging.rc b/init.logging.rc
index e69de29..2e76037 100644
--- a/init.logging.rc
+++ b/init.logging.rc
@@ -0,0 +1,2 @@
+on post-fs-data
+    mkdir /data/vendor/modem_dump 0777 system system