device_framework_matrix.xml

<?xml version="2.0" encoding="UTF-8"?>
<compatibility-matrix version="2.0" type="framework">
    <hal format="aidl" optional="true">
        <name>vendor.samsung.hardware.spen</name>
        <version>1</version>
        <interface>
            <name>ISPen</name>
            <instance>default</instance>
        </interface>
    </hal>
</compatibility-matrix>