| #!/usr/bin/env python |
| # |
| # Copyright (C) 2012 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the 'License'); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an 'AS IS' BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| #detect USB sound card from sound card lists under sys/class/sound/soundX |
| |
| import os, re, sys |
| |
| AUDIO_CLASS_DIR = "/sys/class/sound" |
| |
| def main(argv): |
| if len(argv) < 2: |
| print "Usage: detect_usb_audio.py (product)+" |
| print " ex: detect_usb_audio.py MobilePre" |
| sys.exit(1) |
| current_argv = 1 |
| product_list = [] |
| while current_argv < len(argv): |
| product_list.append(argv[current_argv]) |
| current_argv = current_argv + 1 |
| #print product_list |
| sound_dev_list = os.listdir(AUDIO_CLASS_DIR) |
| for sound_dev in sound_dev_list: |
| m = re.search("card(\d+)$", sound_dev) |
| if m != None: |
| card_full_path = os.path.realpath(AUDIO_CLASS_DIR + "/" + sound_dev) |
| if "usb" in card_full_path: |
| f = open(card_full_path + "/id") |
| line = f.readline().strip() |
| if line in product_list: |
| print "___CTS_AUDIO_PASS___ " + line + " " + m.group(1) |
| sys.exit(0) |
| f.close() |
| # card not found |
| sys.exit(1) |
| |
| if __name__ == '__main__': |
| main(sys.argv) |