n7100: fix up sensors

-dibable all sensors when screen is off.

port from t0: http://review.cyanogenmod.org/#/c/60292/

Change-Id: I66566f5a17acdc7c6dda84eef81af928567cfa37

Conflicts:
	libsensors/sensors.h

4 files changed, 42 insertions, 16 deletions

diff --git a/libsensors/ProximitySensor.cpp b/libsensors/ProximitySensor.cpp
index 404bdbc..f9579fa 100644
--- a/libsensors/ProximitySensor.cpp
+++ b/libsensors/ProximitySensor.cpp
@@ -88,6 +88,7 @@ int ProximitySensor::enable(int32_t handle, int en) {
 
     int flags = en ? 1 : 0;
     int err;
+    //ALOGD("%s: Enable: %i", __func__, en);
     if (flags != mEnabled) {
          err = sspEnable(LOGTAG, SSP_PROX, en);
          if(err >= 0){
diff --git a/libsensors/SensorBase.cpp b/libsensors/SensorBase.cpp
index 389edd7..2de3923 100644
--- a/libsensors/SensorBase.cpp
+++ b/libsensors/SensorBase.cpp
@@ -144,35 +144,49 @@ int SensorBase::sspEnable(const char* sensorname, int sensorvalue, int en)
     int oldvalue = 0;
     int reset = 0;
     int newvalue;
-    int fd, err;
-    char buf[10];
+    int fd;
 
     sspfile = fopen(SSP_DEVICE_ENABLE, "r+");
     fscanf(sspfile, "%d", &oldvalue);
     fclose(sspfile);
 
 //Accel sensor is first on and last off, if we are disabling it
-// assume the screen is off and zero everything out.
+// assume the screen is off, disable all sensors and zero everything out
+// to keep enable file in sync.
     if(sensorvalue == SSP_ACCEL && !en) {
-        newvalue = '\0';
         //ALOGD("SensorBase: Resetting sensors");
+        for(int i; i < 6; i++){
+	  newvalue = oldvalue - ssp_sensors[i];
+	  //ALOGD("SensorBase: newvalue: %i ",newvalue);
+	  sspWrite(newvalue);
+	}
+        sspWrite('\0');
+	return 0;
     } else if(en) {
         newvalue = oldvalue + sensorvalue;
     } else {
         newvalue = oldvalue - sensorvalue;
     }
+    //ALOGI("%s: name: %s sensor: %i old value: %i  new value: %i ", __func__, sensorname, sensorvalue, oldvalue, newvalue);
+    sspWrite(newvalue);
+    return 0;
+}
 
-    sprintf(buf, "%d", newvalue);
+int SensorBase::sspWrite(int sensorvalue)
+{
+    char buf[10];
+    int fd, ret, err;
 
+    sprintf(buf, "%d", sensorvalue);
     fd = open(SSP_DEVICE_ENABLE, O_RDWR);
     if (fd >= 0) {
         err = write(fd, buf, sizeof(buf));
-        //ALOGI("%s: sensor: %i old value: %i  new value: %i ", sensorname, sensorvalue, oldvalue, newvalue);
-        close(fd);
-        return 0;
+	ret = 0;
     } else {
-        ALOGI("%s: error writing to file", sensorname);
-        close(fd);
-        return -1;
+        ALOGI("%s: error writing to file", __func__);
+	ret = -1;
     }
+    
+    close(fd);
+    return ret;
 }
diff --git a/libsensors/SensorBase.h b/libsensors/SensorBase.h
index d9e4b47..aeac510 100644
--- a/libsensors/SensorBase.h
+++ b/libsensors/SensorBase.h
@@ -61,6 +61,7 @@ public:
     virtual int setDelay(int32_t handle, int64_t ns);
     virtual int enable(int32_t handle, int enabled) = 0;
     int sspEnable(const char* sensorname, int sensorvalue, int en);
+    int sspWrite(int sensorvalue);
     virtual int batch(int handle, int flags, int64_t period_ns, int64_t timeout);
     virtual int flush(int handle);
 
diff --git a/libsensors/sensors.h b/libsensors/sensors.h
index a4fe794..713395b 100644
--- a/libsensors/sensors.h
+++ b/libsensors/sensors.h
@@ -52,6 +52,16 @@ __BEGIN_DECLS
 
 #define SSP_DEVICE_ENABLE   "/sys/class/sensors/ssp_sensor/enable"
 
+const int ssp_sensors[] = {
+  SSP_ACCEL,
+  SSP_GYRO,
+  SSP_MAG,
+  SSP_PRESS,
+  SSP_PROX,
+  SSP_LIGHT
+};
+
+
 /*****************************************************************************/
 
 /*
@@ -105,7 +115,7 @@ __BEGIN_DECLS
 
 // conversion of magnetic data to uT units
 #define CONVERT_M                   (1.0f/16.0f)
-#define CONVERT_M_X                 (-CONVERT_M)
+#define CONVERT_M_X                 (CONVERT_M)
 #define CONVERT_M_Y                 (CONVERT_M)
 #define CONVERT_M_Z                 (CONVERT_M)
 
@@ -116,11 +126,11 @@ __BEGIN_DECLS
 #define CONVERT_O_R                 (CONVERT_O)
 
 // conversion of gyro data to SI units (radian/sec)
-#define RANGE_GYRO                  (500.0f*(float)M_PI/180.0f)
+#define RANGE_GYRO                  (2000.0f*(float)M_PI/180.0f)
 #define CONVERT_GYRO                ((70.0f / 4000.0f) * ((float)M_PI / 180.0f))
-#define CONVERT_GYRO_X              (-CONVERT_GYRO)
-#define CONVERT_GYRO_Y              (-CONVERT_GYRO)
-#define CONVERT_GYRO_Z              (-CONVERT_GYRO)
+#define CONVERT_GYRO_X              (CONVERT_GYRO)
+#define CONVERT_GYRO_Y              (CONVERT_GYRO)
+#define CONVERT_GYRO_Z              (CONVERT_GYRO)
 
 #define SENSOR_STATE_MASK           (0x7FFF)