Introduce a test for ath3k hardware.

client/site_tests/hardware_Ath3k/hardware_Ath3k.py

+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import logging
+
+from autotest_lib.client.bin import test, utils
+from autotest_lib.client.common_lib import error
+
+
+def usb_device_present(vendor_device):
+    '''Check if lsusb recognizes a certain vendor/device ID combination.
+
+    This should eventually be added to autotest_lib.client.bin.utils.
+    '''
+
+    command = '/usr/sbin/lsusb -d %s' % vendor_device.lower()
+    return utils.run(command).exit_status == 0
+
+
+class hardware_Ath3k(test.test):
+    version = 1
+
+    def run_once(self):
+        device = '0cf3:3002'
+        module = 'ath3k'
+        if not usb_device_present(device):
+            raise error.TestFail('usb device %s not found' % device)
+
+        if not utils.module_is_loaded(module):
+            raise error.TestFail('driver module %s not loaded' % module)