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28 lines
886 B
28 lines
886 B
# Copyright 2020 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import itertools
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from autotest_lib.client.common_lib import utils
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from autotest_lib.client.common_lib.cros import cros_config
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def detect_camera(iface):
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"""
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Checks whether the device has a built-in camera of specified interface by
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CrOS config.
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@param iface: string, either 'usb' or 'mipi', indicating the interface of
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camera module.
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@returns boolean indicating whether there's a matching camera.
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"""
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for i in itertools.count(0):
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queried = cros_config.call_cros_config_get_output(
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'/camera/devices/{} interface'.format(i), utils.run)
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if queried == '':
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break
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if queried == iface:
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return True
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return False
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