usb_audio_flow: Use audio_ as prefix for temporary files
Use audio_ as prefix like other flows so temporary files can be removed
when Reset is called.
BUG=chromium:601434
TEST=run audio_AudioBasicUSBPlayback test
Change-Id: If07cab41b6902cd5c433740e3a8822e026f5ee79
Reviewed-on: https://chromium-review.googlesource.com/337690
Commit-Ready: Cheng-Yi Chiang <cychiang@chromium.org>
Tested-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Wai-Hong Tam <waihong@chromium.org>
diff --git a/chameleond/utils/usb_audio_flow.py b/chameleond/utils/usb_audio_flow.py
index 5bd8447..a38169a 100644
--- a/chameleond/utils/usb_audio_flow.py
+++ b/chameleond/utils/usb_audio_flow.py
@@ -191,7 +191,7 @@
self._supported_data_format.file_type = self._captured_file_type
params_list = self._GetAlsaUtilCommandArgs(self._supported_data_format)
file_suffix = '.' + self._captured_file_type
- recorded_file = tempfile.NamedTemporaryFile(prefix='recorded',
+ recorded_file = tempfile.NamedTemporaryFile(prefix='audio_',
suffix=file_suffix,
delete=False)
self._file_path = recorded_file.name