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Diffstat (limited to 'chip/npcx/audio_codec_i2s_rx.c')
-rw-r--r--chip/npcx/audio_codec_i2s_rx.c80
1 files changed, 0 insertions, 80 deletions
diff --git a/chip/npcx/audio_codec_i2s_rx.c b/chip/npcx/audio_codec_i2s_rx.c
deleted file mode 100644
index 12c4173048..0000000000
--- a/chip/npcx/audio_codec_i2s_rx.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * 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"
-
-#define CPRINTS(format, args...) cprints(CC_AUDIO_CODEC, format, ## args)
-
-int audio_codec_i2s_rx_enable(void)
-{
- /*
- * The mic source and sample rate don't need to be set each time
- * an i2s stream is started, but the audio codec does not
- * contain a method to select these as they must be the values
- * set below for proper i2s operation. Since the default values
- * set in wov.c are different than what's required, they are set
- * each time an i2s stream is started.
- */
- wov_set_mic_source(WOV_SRC_STEREO);
-
- /* Mode must be WOV_MODE_OFF to change sample rate */
- wov_set_mode(WOV_MODE_OFF);
- wov_set_sample_rate(48000);
-
- return wov_set_mode(WOV_MODE_I2S);
-}
-
-int audio_codec_i2s_rx_disable(void)
-{
- return wov_set_mode(WOV_MODE_OFF);
-}
-
-int audio_codec_i2s_rx_set_sample_depth(uint8_t depth)
-{
- int bits_num;
-
- if (depth == EC_CODEC_I2S_RX_SAMPLE_DEPTH_24)
- bits_num = 24;
- else
- bits_num = 16;
-
- /* Sample depth can only be changed when mode is WOV_MODE_OFF */
- wov_set_mode(WOV_MODE_OFF);
- return wov_set_sample_depth(bits_num);
-}
-
-int audio_codec_i2s_rx_set_daifmt(uint8_t daifmt)
-{
- enum wov_dai_format fmt = WOV_DAI_FMT_I2S;
-
- switch (daifmt) {
- case EC_CODEC_I2S_RX_DAIFMT_I2S:
- fmt = WOV_DAI_FMT_I2S;
- break;
- case EC_CODEC_I2S_RX_DAIFMT_RIGHT_J:
- fmt = WOV_DAI_FMT_RIGHT_J;
- break;
- case EC_CODEC_I2S_RX_DAIFMT_LEFT_J:
- fmt = WOV_DAI_FMT_LEFT_J;
- break;
- }
-
- /* To change mode setting it must be set to WOV_MODE_OFF */
- wov_set_mode(WOV_MODE_OFF);
- wov_set_i2s_fmt(fmt);
-
- return EC_SUCCESS;
-}
-
-int audio_codec_i2s_rx_set_bclk(uint32_t bclk)
-{
- /* To change bclk setting it must be set to WOV_MODE_OFF */
- wov_set_mode(WOV_MODE_OFF);
- wov_set_i2s_bclk(bclk);
- return EC_SUCCESS;
-}