1 # Copyright (c) 2011 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 AUTHOR = 'The Chromium OS Audiovideo Team, chromeos-audio (a] google.com' 6 NAME = 'audio_AlsaLoopback' 7 PURPOSE = 'Test that audio played to line out can be heard at mic in.' 8 CRITERIA = """ 9 Check if the audio played to line out is heard by arecord at mic in. 10 """ 11 ATTRIBUTES = "suite:audio" 12 SUITE = 'audio' 13 TIME = 'SHORT' 14 TEST_CATEGORY = 'PLAYBACKCAPTURE' 15 TEST_CLASS = "audio" 16 TEST_TYPE = 'client' 17 DEPENDENCIES = 'audio_loopback_dongle' 18 19 DOC = """ 20 Test that audio playback and capture are working. 21 22 NOTE: For this test to pass you need to have the line out looped back to mic-in. 23 This can be through a 3.5mm male-to-male cable or a loopback dongle depending on 24 your device. 25 """ 26 27 job.run_test('audio_AlsaLoopback', constraints=['rms_value > 0.05']) 28