From 34c6dd09bd6f2fa30baefffb3dc0d55d08701dd7 Mon Sep 17 00:00:00 2001
From: TheStrix <parthbhatia98@gmail.com>
Date: Tue, 5 Apr 2016 02:31:29 -0400
Subject: msm8916: Add CMHW vibrator intensity control

Change-Id: Ibdd9b564b9bb6ff80516017bc2121634bef41f65
---
 board/hardware.mk                             |  4 +-
 cmhw/org/cyanogenmod/hardware/VibratorHW.java | 56 +++++++++++++++++++++++++++
 rootdir/etc/init.qcom.rc                      |  4 ++
 3 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 cmhw/org/cyanogenmod/hardware/VibratorHW.java

diff --git a/board/hardware.mk b/board/hardware.mk
index 6c26031..dd5c5b1 100644
--- a/board/hardware.mk
+++ b/board/hardware.mk
@@ -1,2 +1,4 @@
-BOARD_HARDWARE_CLASS += hardware/cyanogen/cmhw
+BOARD_HARDWARE_CLASS += \
+    hardware/cyanogen/cmhw \
+    device/cyanogen/msm8916-common/cmhw
 BOARD_USES_CYANOGEN_HARDWARE := true
diff --git a/cmhw/org/cyanogenmod/hardware/VibratorHW.java b/cmhw/org/cyanogenmod/hardware/VibratorHW.java
new file mode 100644
index 0000000..74efba8
--- /dev/null
+++ b/cmhw/org/cyanogenmod/hardware/VibratorHW.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2016 The CyanogenMod Project
+ *
+ * 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.
+ */
+
+package org.cyanogenmod.hardware;
+
+import org.cyanogenmod.hardware.util.FileUtils;
+import java.io.File;
+
+public class VibratorHW {
+    private static final String DEFAULT_PATH = "/sys/class/timed_output/vibrator/vtg_default";
+    private static final String LEVEL_PATH = "/sys/class/timed_output/vibrator/vtg_level";
+    private static final String MAX_PATH = "/sys/class/timed_output/vibrator/vtg_max";
+    private static final String MIN_PATH = "/sys/class/timed_output/vibrator/vtg_min";
+
+    public static boolean isSupported() {
+        File file = new File(LEVEL_PATH);
+        return file.exists() && file.canWrite();
+    }
+
+    public static int getMaxIntensity() {
+        return Integer.parseInt(FileUtils.readOneLine(MAX_PATH));
+    }
+
+    public static int getMinIntensity() {
+        return Integer.parseInt(FileUtils.readOneLine(MIN_PATH));
+    }
+
+    public static int getWarningThreshold() {
+        return -1;
+    }
+
+    public static int getCurIntensity() {
+        return Integer.parseInt(FileUtils.readOneLine(LEVEL_PATH));
+    }
+
+    public static int getDefaultIntensity() {
+        return Integer.parseInt(FileUtils.readOneLine(DEFAULT_PATH));
+    }
+
+    public static boolean setIntensity(int intensity) {
+        return FileUtils.writeLine(LEVEL_PATH, String.valueOf(intensity));
+    }
+}
diff --git a/rootdir/etc/init.qcom.rc b/rootdir/etc/init.qcom.rc
index e534d24..a46cc3f 100644
--- a/rootdir/etc/init.qcom.rc
+++ b/rootdir/etc/init.qcom.rc
@@ -271,6 +271,10 @@ on boot
     chown system graphics /sys/class/graphics/fb0/mode
     chown system graphics /sys/class/graphics/fb0/modes
 
+    # Vibrator intensity control
+    chown system system /sys/class/timed_output/vibrator/vtg_level
+    chmod 0664 /sys/class/timed_output/vibrator/vtg_level
+
 on property:init.svc.wpa_supplicant=stopped
     stop dhcpcd
 
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