| # Copyright 2016 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """This module provides cras audio configs.""" |
| |
| INTERNAL_MIC_GAIN_100DB = { |
| 'chell': 500, |
| 'auron_yuna': -1000, |
| 'kevin': 0, |
| } |
| |
| def get_proper_internal_mic_gain(board): |
| """Return a proper internal mic gain. |
| |
| @param board: Board name. |
| |
| @returns: A number in 100 dB. E.g., 1000 is 10dB. This is in the same unit |
| as cras_utils set_capture_gain. Returns None if there is no such |
| entry. |
| """ |
| return INTERNAL_MIC_GAIN_100DB.get(board, None) |