1 # Copyright (c) 2010 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 import glob, logging, os 6 7 from autotest_lib.client.bin import test, utils 8 from autotest_lib.client.common_lib import error 9 10 class hardware_RealtekCardReader(test.test): 11 version = 1 12 13 def run_once(self): 14 # Look for the Realtek USB card reader. 15 # This requires a plugged in SD card. 16 lsusb_output = utils.system_output("lsusb -t") 17 if not "Driver=ums-realtek" in lsusb_output: 18 raise error.TestFail("The Realtek card reader USB device was not " 19 "detected. This test requires an SD card to " 20 "be inserted to detect the USB device.") 21 22 blockdevs = glob.glob("/sys/block/*") 23 for dev in blockdevs: 24 removable = utils.read_one_line(os.path.join(dev, "removable")) 25 if removable == "1": 26 logging.info("Found removable block device %s", dev) 27 return True 28 29 raise error.TestFail("The card reader USB device was detected, but " 30 "no removable block devices are seen.") 31
