3 files changed, 28 insertions, 1 deletions
diff --git a/sensors/1.0/default/Android.bp b/sensors/1.0/default/Android.bp
index 2e4e1b015c..b2d3c49cf2 100644
--- a/sensors/1.0/default/Android.bp
+++ b/sensors/1.0/default/Android.bp
@@ -55,6 +55,7 @@ cc_binary {
     relative_install_path: "hw",
     vendor: true,
     init_rc: ["android.hardware.sensors@1.0-service.rc"],
+    defaults: ["hidl_defaults"],
     srcs: ["service.cpp"],
 
     shared_libs: [
@@ -65,5 +66,11 @@ cc_binary {
         "libutils",
         "libhidlbase",
         "android.hardware.sensors@1.0",
+        "libhwbinder",
     ],
+    arch: {
+        arm: {
+            cflags: ["-DARCH_ARM_32"],
+        },
+    },
 }
diff --git a/sensors/1.0/default/android.hardware.sensors@1.0-service.rc b/sensors/1.0/default/android.hardware.sensors@1.0-service.rc
index 1af6d0b08c..e029bb8f72 100644
--- a/sensors/1.0/default/android.hardware.sensors@1.0-service.rc
+++ b/sensors/1.0/default/android.hardware.sensors@1.0-service.rc
@@ -2,6 +2,6 @@ service vendor.sensors-hal-1-0 /vendor/bin/hw/android.hardware.sensors@1.0-servi
     interface android.hardware.sensors@1.0::ISensors default
     class hal
     user system
-    group system wakelock uhid context_hub
+    group system wakelock uhid input context_hub
     capabilities BLOCK_SUSPEND
     rlimit rtprio 10 10
diff --git a/sensors/1.0/default/service.cpp b/sensors/1.0/default/service.cpp
index 65f6d816a1..c413d1a0e0 100644
--- a/sensors/1.0/default/service.cpp
+++ b/sensors/1.0/default/service.cpp
@@ -19,10 +19,30 @@
 #include <android/hardware/sensors/1.0/ISensors.h>
 #include <hidl/LegacySupport.h>
 
+#ifdef ARCH_ARM_32
+#include <hwbinder/ProcessState.h>
+#include <cutils/properties.h>
+#endif
+
 using android::hardware::sensors::V1_0::ISensors;
 using android::hardware::defaultPassthroughServiceImplementation;
 
+#ifdef ARCH_ARM_32
+//default h/w binder memsize for sensors is 8 KB
+#define DEFAULT_SENSORS_HW_BINDER_MEM_SIZE_KB 8
+size_t getHWBinderMmapSize() {
+    int32_t value = DEFAULT_SENSORS_HW_BINDER_MEM_SIZE_KB;
+
+    value = property_get_int32("persist.vendor.sensor.hw.binder.size", value);
+    ALOGD("Init hw binder with mem size = %d", value);
+    return 1024 * value;
+}
+#endif
+
 int main() {
+#ifdef ARCH_ARM_32
+    android::hardware::ProcessState::initWithMmapSize((size_t)getHWBinderMmapSize());
+#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.