sdm660-common: Enable smart charging

* CrDroid feature
Signed-off-by: Pranav Vashi <[email protected]>

overlay/frameworks/base/core/res/res/values/config.xml

@@ -322,4 +322,10 @@
          user-set value if toggled by settings so the "Transition animation scale" setting
          should also be hidden if intended to be permanent. -->
     <item name="config_appTransitionAnimationDurationScaleDefault" format="float" type="dimen">0.5</item>
+
+     <!-- Smart charging -->
+    <bool name="config_smartChargingAvailable">true</bool>
+    <string name="config_smartChargingSysfsNode" translatable="false">/sys/class/power_supply/battery/input_suspend</string>
+    <string name="config_smartChargingSuspendValue" translatable="false">1</string>
+    <string name="config_smartChargingResumeValue" translatable="false">0</string>
 </resources>

rootdir/Android.mk

@@ -91,3 +91,11 @@ LOCAL_MODULE_CLASS := ETC
 LOCAL_SRC_FILES    := etc/init.target.rc
 LOCAL_MODULE_PATH  := $(TARGET_OUT_VENDOR_ETC)/init/hw
 include $(BUILD_PREBUILT)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE       := init.smartcharging.rc
+LOCAL_MODULE_TAGS  := optional
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SRC_FILES    := etc/init.smartcharging.rc
+LOCAL_MODULE_PATH  := $(TARGET_OUT_VENDOR_ETC)/init/hw
+include $(BUILD_PREBUILT)

rootdir/etc/init.smartcharging.rc

@@ -0,0 +1,3 @@
+on boot
+    chown system system /sys/class/power_supply/battery/input_suspend
+    chmod 0666 /sys/class/power_supply/battery/input_suspend

sdm660.mk

@@ -260,7 +260,8 @@ PRODUCT_PACKAGES += \
     init.qcom.usb.sh \
     init.recovery.qcom.rc \
     init.target.rc \
-    ueventd.qcom.rc
+    ueventd.qcom.rc \
+    init.smartcharging.rc
 
 # IRQ
 PRODUCT_COPY_FILES += \

sepolicy/vendor/system_server.te

@@ -1,2 +1,6 @@
 allow system_server app_zygote:process { getpgid };
 dontaudit system_server sysfs:file { read open getattr };
+
+#smart charger
+r_dir_file(system_server, sysfs_battery_supply)
+allow system_server sysfs_battery_supply:file { getattr open read write };