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/*
* 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 "audio_codec.h"
#include "ec_commands.h"
#include "wov_chip.h"
int audio_codec_dmic_get_max_gain(uint8_t *gain)
{
*gain = 31;
return EC_SUCCESS;
}
int audio_codec_dmic_set_gain_idx(uint8_t channel, uint8_t gain)
{
int left_gain, right_gain;
wov_get_gain(&left_gain, &right_gain);
switch (channel) {
case EC_CODEC_DMIC_CHANNEL_0:
left_gain = gain;
break;
case EC_CODEC_DMIC_CHANNEL_1:
right_gain = gain;
break;
default:
return EC_ERROR_UNKNOWN;
}
wov_set_gain(left_gain, right_gain);
return EC_SUCCESS;
}
int audio_codec_dmic_get_gain_idx(uint8_t channel, uint8_t *gain)
{
int left_gain, right_gain;
wov_get_gain(&left_gain, &right_gain);
switch (channel) {
case EC_CODEC_DMIC_CHANNEL_0:
*gain = left_gain;
break;
case EC_CODEC_DMIC_CHANNEL_1:
*gain = right_gain;
break;
default:
return EC_ERROR_UNKNOWN;
}
return EC_SUCCESS;
}
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