Improve logging of evdev events by using labels for recognized values

When logging evdev events, use the human-readable labels for recognized
values for the event type, the event code, and event value.

Bug: 193231132
Test: Manual, by enabling raw events logging:
    setprop log.tag.InputReaderRawEvents DEBUG
Change-Id: I8ed700a1e2d8659031514d2d8f9aef420b129dbc

1 files changed, 8 insertions, 0 deletions

diff --git a/include/input/InputEventLabels.h b/include/input/InputEventLabels.h
index 4668fce116..9dedd2b2da 100644
--- a/include/input/InputEventLabels.h
+++ b/include/input/InputEventLabels.h
@@ -30,6 +30,12 @@ struct InputEventLabel {
     int value;
 };
 
+struct EvdevEventLabel {
+    std::string type;
+    std::string code;
+    std::string value;
+};
+
 //   NOTE: If you want a new key code, axis code, led code or flag code in keylayout file,
 //   then you must add it to InputEventLabels.cpp.
 
@@ -52,6 +58,8 @@ public:
 
     static std::optional<int> getLedByLabel(const char* label);
 
+    static EvdevEventLabel getLinuxEvdevLabel(int32_t type, int32_t code, int32_t value);
+
 private:
     static const std::unordered_map<std::string, int> KEYCODES;