| // Copyright 2020 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. |
| |
| #include "biod/biod_config.h" |
| |
| #include <string> |
| |
| #include <base/optional.h> |
| |
| namespace biod { |
| |
| constexpr char kCrosConfigFPPath[] = "/fingerprint"; |
| constexpr char kCrosConfigFPBoard[] = "board"; |
| constexpr char kCrosConfigFPLocation[] = "sensor-location"; |
| |
| // Since /fingerprint/sensor-location is an optional field, the only information |
| // that is relevant to the updater is if fingerprint is explicitly not |
| // supported. |
| bool FingerprintUnsupported(brillo::CrosConfigInterface* cros_config) { |
| std::string fingerprint_location; |
| if (cros_config->GetString(kCrosConfigFPPath, kCrosConfigFPLocation, |
| &fingerprint_location)) { |
| if (fingerprint_location == "none") { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| base::Optional<std::string> FingerprintBoard( |
| brillo::CrosConfigInterface* cros_config) { |
| std::string board_name; |
| if (!cros_config->GetString(kCrosConfigFPPath, kCrosConfigFPBoard, |
| &board_name)) { |
| return base::nullopt; |
| } |
| return board_name; |
| } |
| |
| } // namespace biod |