aries-common: Fix orientation sensor on kernel 3.0

1 files changed, 7 insertions, 0 deletions

diff --git a/libsensors/CompassSensor.cpp b/libsensors/CompassSensor.cpp
index f4b3685..4ed3e20 100644
--- a/libsensors/CompassSensor.cpp
+++ b/libsensors/CompassSensor.cpp
@@ -21,6 +21,7 @@
 #include <unistd.h>
 #include <dirent.h>
 #include <sys/select.h>
+#include <cutils/properties.h>
 #include <cutils/log.h>
 
 
@@ -88,6 +89,12 @@ int CompassSensor::enable(int32_t, int en) {
             err = write(fd, buf, sizeof(buf));
             close(fd);
             mEnabled = flags;
+
+            /* Since the migration to 3.0 kernel, orientationd doesn't poll
+             * the enabled state properly, so start it when it's enabled and
+             * stop it when we're done using it.
+             */
+            property_set(mEnabled ? "ctl.start" : "ctl.stop", "orientationd");
             return 0;
         }
         return -1;