Add input device configuration for Muskie/Walleye

This also provides tuning for touch size information.

Test: flash and look at touch size with pointer location enabled
Bug: 62871286
Change-Id: Ia6f9f0f050517701f8085987ff9fadf27e8904d3

device-common.mk

@@ -46,6 +46,10 @@ PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/init.common.usb.rc:$(TARGET_COPY_OUT_VENDOR)/etc/init/hw/init.$(PRODUCT_HARDWARE).usb.rc \
     $(LOCAL_PATH)/init.insmod.cfg:$(TARGET_COPY_OUT_VENDOR)/etc/init.insmod.cfg
 
+# Input device files
+PRODUCT_COPY_FILES += \
+    $(LOCAL_PATH)/synaptics_dsxv26.idc:$(TARGET_COPY_OUT_VENDOR)/usr/idc/synaptics_dsxv26.idc
+
 include device/google/wahoo/device.mk
 
 # Kernel modules

synaptics_dsxv26.idc

@@ -0,0 +1,32 @@
+# Copyright 2017 The Android Open Source 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.
+
+#
+# Input Device Calibration File for the muskie touch screen.
+#
+
+device.internal = 1
+
+touch.deviceType = touchScreen
+touch.orientationAware = 1
+
+touch.size.calibration = diameter
+touch.size.scale = 42.086933
+touch.size.bias = -21.905636
+touch.size.isSummed = 0
+
+touch.pressure.calibration = amplitude
+touch.pressure.scale = 0.0125
+
+touch.orientation.calibration = none