From eb5a728efa775c5a43ca60d0947b23b73060bc76 Mon Sep 17 00:00:00 2001
From: Shaikh Shadul <sshadu@codeaurora.org>
Date: Tue, 14 Aug 2018 19:12:01 +0530
Subject: [PATCH] msm8974-common: sensors: Tune binder buffer for sensors HIDL

Setting custom binder buffer size for sensors HIDL service.

Change-Id: I83ebdc77ed7aec0e25a975097358440681ca5f11
---
 sensors/Android.bp  | 7 +++++++
 sensors/service.cpp | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/sensors/Android.bp b/sensors/Android.bp
index 839a9ad..323380f 100644
--- a/sensors/Android.bp
+++ b/sensors/Android.bp
@@ -46,6 +46,7 @@ cc_library_shared {
 
 cc_binary {
     name: "android.hardware.sensors@1.0-service.samsung8974",
+    defaults: ["hidl_defaults"],
     relative_install_path: "hw",
     vendor: true,
     init_rc: ["android.hardware.sensors@1.0-service.samsung8974.rc"],
@@ -59,6 +60,12 @@ cc_binary {
         "libutils",
         "libhidlbase",
         "libhidltransport",
+        "libhwbinder",
         "android.hardware.sensors@1.0",
     ],
+    arch: {
+        arm: {
+            cflags: ["-DARCH_ARM_32"],
+        },
+    },
 }
diff --git a/sensors/service.cpp b/sensors/service.cpp
index 65f6d81..72f32fd 100644
--- a/sensors/service.cpp
+++ b/sensors/service.cpp
@@ -18,11 +18,17 @@
 
 #include <android/hardware/sensors/1.0/ISensors.h>
 #include <hidl/LegacySupport.h>
+#ifdef ARCH_ARM_32
+#include <hwbinder/ProcessState.h>
+#endif
 
 using android::hardware::sensors::V1_0::ISensors;
 using android::hardware::defaultPassthroughServiceImplementation;
 
 int main() {
+#ifdef ARCH_ARM_32
+    android::hardware::ProcessState::initWithMmapSize((size_t)8192);
+#endif
     /* Sensors framework service needs at least two threads.
      * One thread blocks on a "poll"
      * The second thread is needed for all other HAL methods.