1 # Copyright 2016 The Chromium 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 """This module provides cras audio configs.""" 6 7 INTERNAL_MIC_GAIN_100DB = { 8 'chell': 500, 9 'auron_yuna': -1000, 10 'kevin': 0, 11 } 12 13 def get_proper_internal_mic_gain(board): 14 """Return a proper internal mic gain. 15 16 @param board: Board name. 17 18 @returns: A number in 100 dB. E.g., 1000 is 10dB. This is in the same unit 19 as cras_utils set_capture_gain. Returns None if there is no such 20 entry. 21 """ 22 return INTERNAL_MIC_GAIN_100DB.get(board, None) 23
