X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=transform.c;h=38c24d24acd230427d3053115133d2f2da8a29de;hb=392a6b41be22b2f8106ef4b1bda6557239a31b5a;hp=7aee50d2c59042489b576ac5b10fbba8e120babf;hpb=3531d198cfa2bba5cdd7ad9863ecfbf7fdb95a18;p=android-x86%2Fhardware-intel-libsensors.git

diff --git a/transform.c b/transform.c
index 7aee50d..38c24d2 100644
--- a/transform.c
+++ b/transform.c
@@ -1,6 +1,18 @@
 /*
- * Copyright (C) 2014-2015 Intel Corporation.
- */
+// Copyright (c) 2015 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
 
 #include <stdlib.h>
 #include <math.h>
@@ -41,8 +53,6 @@
 #define CONVERT_M_Y	(-CONVERT_M)
 #define CONVERT_M_Z	(CONVERT_M)
 
-#define CONVERT_GAUSS_TO_MICROTESLA(x)	((x) * 100)
-
 /* Conversion of orientation data to degree units */
 #define CONVERT_O	(1.0 / 64)
 #define CONVERT_O_A	(CONVERT_O)
@@ -551,8 +561,11 @@ float acquire_immediate_float_value (int s, int c)
 		sprintf(sysfs_path, BASE_PATH "%s", dev_num, input_path);
 		ret = sysfs_read_float(sysfs_path, &val);
 
-		if (!ret)
+		if (!ret) {
+			if (sensor[s].type == SENSOR_TYPE_MAGNETIC_FIELD)
+				return CONVERT_GAUSS_TO_MICROTESLA (val * correction);
 			return val * correction;
+		}
 	}
 
 	if (!sensor[s].channel[c].raw_path_present)