audio: Add support for dumping info from effect HAL modules

The implementation uses IBase::debug() method which can write
debugging info into the provided file descriptor (same model
as used for devices and streams).

Bug: 69939533
Test: adb shell dumpsys media.audio_flinger
Change-Id: I7876fd43a7066c0f081ea2ca0b3b4b37bbdf8e6c

1 files changed, 8 insertions, 0 deletions

diff --git a/audio/effect/all-versions/default/Effect.cpp b/audio/effect/all-versions/default/Effect.cpp
index 84608b6065..3c0d8788ab 100644
--- a/audio/effect/all-versions/default/Effect.cpp
+++ b/audio/effect/all-versions/default/Effect.cpp
@@ -710,6 +710,14 @@ Return<Result> Effect::close() {
     return Result::OK;
 }
 
+Return<void> Effect::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& /* options */) {
+    if (fd.getNativeHandle() != nullptr && fd->numFds == 1) {
+        uint32_t cmdData = fd->data[0];
+        (void)sendCommand(EFFECT_CMD_DUMP, "DUMP", sizeof(cmdData), &cmdData);
+    }
+    return Void();
+}
+
 }  // namespace implementation
 }  // namespace CPP_VERSION
 }  // namespace effect