asoc: codecs: add MST support for dp audio driver
Add DP codec DAIs to support multiple streams that audio can be routed to dp controllers with multiple streams in them. Change-Id: Id28e6b8cc2989797dd07252cdc8913bc3b403f19 Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
This commit is contained in:
Karthikeyan Mani
parent
44d588893a
commit
fc1e972139
1 changed files with 177 additions and 17 deletions
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@ -1,4 +1,4 @@
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/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.
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/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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@ -24,18 +24,49 @@
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#define AUD_EXT_DISP_ACK_CONNECT (AUDIO_ACK_CONNECT)
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#define AUD_EXT_DISP_ACK_ENABLE (AUDIO_ACK_SET_ENABLE | AUDIO_ACK_ENABLE)
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#define SOC_EXT_DISP_AUDIO_TYPE(index) \
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static SOC_ENUM_SINGLE_DECL(ext_disp_audio_type##index, SND_SOC_NOPM, \
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index, ext_disp_audio_type_text)
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#define SOC_EXT_DISP_AUDIO_ACK_STATE(index) \
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static SOC_ENUM_SINGLE_DECL(ext_disp_audio_ack_state##index, \
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SND_SOC_NOPM, index, ext_disp_audio_ack_text)
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#define SWITCH_DP_CODEC(codec_info, codec_data, dai_id) \
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codec_info.type = EXT_DISPLAY_TYPE_DP; \
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codec_info.ctrl_id = codec_data->ctl[dai_id]; \
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codec_info.stream_id = codec_data->stream[dai_id]; \
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msm_ext_disp_select_audio_codec(codec_data->ext_disp_core_pdev, \
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&codec_info)
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enum {
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DP_STREAM0 = 0,
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DP_STREAM1,
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DP_STREAM_MAX,
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};
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enum {
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DP_DAI1 = 0,
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DP_DAI2,
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HDMI_DAI,
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DP_DAI_MAX,
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};
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static const char *const ext_disp_audio_type_text[] = {"None", "HDMI", "DP"};
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static const char *const ext_disp_audio_ack_text[] = {"Disconnect", "Connect",
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"Ack_Enable"};
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static SOC_ENUM_SINGLE_EXT_DECL(ext_disp_audio_type, ext_disp_audio_type_text);
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static SOC_ENUM_SINGLE_EXT_DECL(ext_disp_audio_ack_state,
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ext_disp_audio_ack_text);
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SOC_EXT_DISP_AUDIO_TYPE(0);
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SOC_EXT_DISP_AUDIO_ACK_STATE(0);
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SOC_EXT_DISP_AUDIO_TYPE(1);
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SOC_EXT_DISP_AUDIO_ACK_STATE(1);
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struct msm_ext_disp_audio_codec_rx_data {
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struct platform_device *ext_disp_core_pdev;
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struct msm_ext_disp_audio_codec_ops ext_disp_ops;
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int cable_status;
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struct mutex dp_ops_lock;
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int stream[DP_DAI_MAX];
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int ctl[DP_DAI_MAX];
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};
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static int msm_ext_disp_edid_ctl_info(struct snd_kcontrol *kcontrol,
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@ -44,7 +75,9 @@ static int msm_ext_disp_edid_ctl_info(struct snd_kcontrol *kcontrol,
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struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
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struct msm_ext_disp_audio_codec_rx_data *codec_data;
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struct msm_ext_disp_audio_edid_blk edid_blk;
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int rc;
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int rc = 0;
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struct msm_ext_disp_codec_id codec_info;
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int dai_id = kcontrol->private_value;
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codec_data = snd_soc_codec_get_drvdata(codec);
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@ -61,8 +94,14 @@ static int msm_ext_disp_edid_ctl_info(struct snd_kcontrol *kcontrol,
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return 0;
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}
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dev_dbg(codec->dev, "%s: DP ctl id %d Stream id %d\n", __func__,
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codec_data->ctl[dai_id], codec_data->stream[dai_id]);
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mutex_lock(&codec_data->dp_ops_lock);
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SWITCH_DP_CODEC(codec_info, codec_data, dai_id);
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rc = codec_data->ext_disp_ops.get_audio_edid_blk(
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codec_data->ext_disp_core_pdev, &edid_blk);
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mutex_unlock(&codec_data->dp_ops_lock);
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if (rc >= 0) {
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uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
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uinfo->count = edid_blk.audio_data_blk_size +
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@ -79,7 +118,9 @@ static int msm_ext_disp_edid_get(struct snd_kcontrol *kcontrol,
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struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
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struct msm_ext_disp_audio_codec_rx_data *codec_data;
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struct msm_ext_disp_audio_edid_blk edid_blk;
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int rc;
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struct msm_ext_disp_codec_id codec_info;
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int rc = 0;
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int dai_id = kcontrol->private_value;
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codec_data = snd_soc_codec_get_drvdata(codec);
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if (!codec_data || !codec_data->ext_disp_ops.get_audio_edid_blk) {
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@ -88,8 +129,14 @@ static int msm_ext_disp_edid_get(struct snd_kcontrol *kcontrol,
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return -EINVAL;
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}
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dev_dbg(codec->dev, "%s: DP ctl id %d Stream id %d\n", __func__,
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codec_data->ctl[dai_id], codec_data->stream[dai_id]);
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mutex_lock(&codec_data->dp_ops_lock);
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SWITCH_DP_CODEC(codec_info, codec_data, dai_id);
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rc = codec_data->ext_disp_ops.get_audio_edid_blk(
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codec_data->ext_disp_core_pdev, &edid_blk);
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mutex_unlock(&codec_data->dp_ops_lock);
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if (rc >= 0) {
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if (sizeof(ucontrol->value.bytes.data) <
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(edid_blk.audio_data_blk_size +
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@ -123,7 +170,9 @@ static int msm_ext_disp_audio_type_get(struct snd_kcontrol *kcontrol,
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struct msm_ext_disp_audio_codec_rx_data *codec_data;
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enum msm_ext_disp_cable_state cable_state;
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enum msm_ext_disp_type disp_type;
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int rc;
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struct msm_ext_disp_codec_id codec_info;
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int rc = 0;
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int dai_id = ((struct soc_enum *) kcontrol->private_value)->shift_l;
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codec_data = snd_soc_codec_get_drvdata(codec);
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if (!codec_data ||
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@ -134,13 +183,18 @@ static int msm_ext_disp_audio_type_get(struct snd_kcontrol *kcontrol,
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return -EINVAL;
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}
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dev_dbg(codec->dev, "%s: DP ctl id %d Stream id %d\n", __func__,
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codec_data->ctl[dai_id], codec_data->stream[dai_id]);
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mutex_lock(&codec_data->dp_ops_lock);
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SWITCH_DP_CODEC(codec_info, codec_data, dai_id);
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cable_state = codec_data->ext_disp_ops.cable_status(
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codec_data->ext_disp_core_pdev, 1);
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if (cable_state < 0) {
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dev_err(codec->dev, "%s: Error retrieving cable state from ext_disp, err:%d\n",
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__func__, cable_state);
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rc = cable_state;
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goto done;
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goto cable_err;
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}
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codec_data->cable_status = cable_state;
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@ -149,11 +203,12 @@ static int msm_ext_disp_audio_type_get(struct snd_kcontrol *kcontrol,
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__func__);
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ucontrol->value.integer.value[0] = 0;
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rc = 0;
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goto done;
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goto cable_err;
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}
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disp_type = codec_data->ext_disp_ops.get_intf_id(
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codec_data->ext_disp_core_pdev);
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mutex_unlock(&codec_data->dp_ops_lock);
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if (disp_type >= 0) {
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switch (disp_type) {
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case EXT_DISPLAY_TYPE_DP:
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@ -177,7 +232,10 @@ static int msm_ext_disp_audio_type_get(struct snd_kcontrol *kcontrol,
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__func__, disp_type);
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rc = disp_type;
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}
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return rc;
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cable_err:
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mutex_unlock(&codec_data->dp_ops_lock);
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done:
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return rc;
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}
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@ -188,7 +246,9 @@ static int msm_ext_disp_audio_ack_set(struct snd_kcontrol *kcontrol,
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struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
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struct msm_ext_disp_audio_codec_rx_data *codec_data;
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u32 ack_state = 0;
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int rc;
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struct msm_ext_disp_codec_id codec_info;
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int rc = 0;
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int dai_id = ((struct soc_enum *) kcontrol->private_value)->shift_l;
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codec_data = snd_soc_codec_get_drvdata(codec);
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if (!codec_data ||
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@ -200,6 +260,9 @@ static int msm_ext_disp_audio_ack_set(struct snd_kcontrol *kcontrol,
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goto done;
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}
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dev_dbg(codec->dev, "%s: DP ctl id %d Stream id %d\n", __func__,
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codec_data->ctl[dai_id], codec_data->stream[dai_id]);
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switch (ucontrol->value.enumerated.item[0]) {
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case 0:
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ack_state = AUD_EXT_DISP_ACK_DISCONNECT;
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@ -220,8 +283,11 @@ static int msm_ext_disp_audio_ack_set(struct snd_kcontrol *kcontrol,
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dev_dbg(codec->dev, "%s: control %d, ack set value 0x%x\n",
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__func__, ucontrol->value.enumerated.item[0], ack_state);
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mutex_lock(&codec_data->dp_ops_lock);
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SWITCH_DP_CODEC(codec_info, codec_data, dai_id);
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rc = codec_data->ext_disp_ops.acknowledge(
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codec_data->ext_disp_core_pdev, ack_state);
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mutex_unlock(&codec_data->dp_ops_lock);
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if (rc < 0) {
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dev_err(codec->dev, "%s: error from acknowledge(), err:%d\n",
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__func__, rc);
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@ -231,6 +297,32 @@ static int msm_ext_disp_audio_ack_set(struct snd_kcontrol *kcontrol,
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return rc;
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}
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static int msm_ext_disp_audio_device_set(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
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struct msm_ext_disp_audio_codec_rx_data *codec_data;
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int rc = 0;
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int dai_id = ((struct soc_enum *) kcontrol->private_value)->shift_l;
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codec_data = snd_soc_codec_get_drvdata(codec);
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if (!codec_data) {
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dev_err(codec->dev,
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"%s: codec_data or ops acknowledge() is NULL\n",
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__func__);
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rc = -EINVAL;
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goto done;
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}
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mutex_lock(&codec_data->dp_ops_lock);
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codec_data->ctl[dai_id] = ucontrol->value.enumerated.item[0];
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codec_data->stream[dai_id] = ucontrol->value.enumerated.item[1];
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mutex_unlock(&codec_data->dp_ops_lock);
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done:
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return rc;
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}
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static const struct snd_kcontrol_new msm_ext_disp_codec_rx_controls[] = {
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{
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.access = SNDRV_CTL_ELEM_ACCESS_READ |
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@ -239,6 +331,7 @@ static const struct snd_kcontrol_new msm_ext_disp_codec_rx_controls[] = {
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.name = "HDMI EDID",
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.info = msm_ext_disp_edid_ctl_info,
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.get = msm_ext_disp_edid_get,
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.private_value = HDMI_DAI,
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},
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{
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.access = SNDRV_CTL_ELEM_ACCESS_READ |
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@ -247,11 +340,36 @@ static const struct snd_kcontrol_new msm_ext_disp_codec_rx_controls[] = {
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.name = "Display Port EDID",
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.info = msm_ext_disp_edid_ctl_info,
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.get = msm_ext_disp_edid_get,
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.private_value = DP_DAI1,
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},
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SOC_ENUM_EXT("External Display Type", ext_disp_audio_type,
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{
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.access = SNDRV_CTL_ELEM_ACCESS_READ |
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SNDRV_CTL_ELEM_ACCESS_VOLATILE,
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.iface = SNDRV_CTL_ELEM_IFACE_PCM,
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.name = "Display Port1 EDID",
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.info = msm_ext_disp_edid_ctl_info,
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.get = msm_ext_disp_edid_get,
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.private_value = DP_DAI2,
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},
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SOC_ENUM_EXT("External Display Type",
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ext_disp_audio_type0,
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msm_ext_disp_audio_type_get, NULL),
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SOC_ENUM_EXT("External Display Audio Ack", ext_disp_audio_ack_state,
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SOC_ENUM_EXT("External Display1 Type",
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ext_disp_audio_type1,
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msm_ext_disp_audio_type_get, NULL),
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SOC_ENUM_EXT("External Display Audio Ack",
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ext_disp_audio_ack_state0,
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NULL, msm_ext_disp_audio_ack_set),
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SOC_ENUM_EXT("External Display1 Audio Ack",
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ext_disp_audio_ack_state1,
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NULL, msm_ext_disp_audio_ack_set),
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SOC_SINGLE_EXT("External Display Audio Device",
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SND_SOC_NOPM, DP_DAI1, DP_STREAM_MAX, 0,
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NULL, msm_ext_disp_audio_device_set),
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SOC_SINGLE_EXT("External Display1 Audio Device",
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SND_SOC_NOPM, DP_DAI2, DP_STREAM_MAX, 0,
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NULL, msm_ext_disp_audio_device_set),
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};
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static int msm_ext_disp_audio_codec_rx_dai_startup(
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@ -259,6 +377,7 @@ static int msm_ext_disp_audio_codec_rx_dai_startup(
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struct snd_soc_dai *dai)
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{
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int ret = 0;
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struct msm_ext_disp_codec_id codec_info;
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struct msm_ext_disp_audio_codec_rx_data *codec_data =
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dev_get_drvdata(dai->codec->dev);
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@ -268,9 +387,15 @@ static int msm_ext_disp_audio_codec_rx_dai_startup(
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return -EINVAL;
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}
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dev_dbg(dai->codec->dev, "%s: DP ctl id %d Stream id %d\n", __func__,
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codec_data->ctl[dai->id], codec_data->stream[dai->id]);
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mutex_lock(&codec_data->dp_ops_lock);
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SWITCH_DP_CODEC(codec_info, codec_data, dai->id);
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codec_data->cable_status =
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codec_data->ext_disp_ops.cable_status(
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codec_data->ext_disp_core_pdev, 1);
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mutex_unlock(&codec_data->dp_ops_lock);
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if (codec_data->cable_status < 0) {
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dev_err(dai->dev,
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"%s() ext disp core is not ready (ret val = %d)\n",
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@ -295,6 +420,7 @@ static int msm_ext_disp_audio_codec_rx_dai_hw_params(
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u32 level_shift = 0; /* 0dB */
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bool down_mix = 0;
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u32 num_channels = params_channels(params);
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struct msm_ext_disp_codec_id codec_info;
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int rc = 0;
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struct msm_ext_disp_audio_setup_params audio_setup_params = {0};
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@ -307,6 +433,9 @@ static int msm_ext_disp_audio_codec_rx_dai_hw_params(
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return -EINVAL;
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}
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dev_dbg(dai->codec->dev, "%s: DP ctl id %d Stream id %d\n", __func__,
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codec_data->ctl[dai->id], codec_data->stream[dai->id]);
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if (codec_data->cable_status < 0) {
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dev_err_ratelimited(dai->dev,
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"%s() ext disp core is not ready (ret val = %d)\n",
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@ -364,8 +493,11 @@ static int msm_ext_disp_audio_codec_rx_dai_hw_params(
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audio_setup_params.level_shift = level_shift;
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audio_setup_params.down_mix = down_mix;
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mutex_lock(&codec_data->dp_ops_lock);
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SWITCH_DP_CODEC(codec_info, codec_data, dai->id);
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rc = codec_data->ext_disp_ops.audio_info_setup(
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codec_data->ext_disp_core_pdev, &audio_setup_params);
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mutex_unlock(&codec_data->dp_ops_lock);
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if (rc < 0) {
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dev_err_ratelimited(dai->dev,
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"%s() ext disp core is not ready, rc: %d\n",
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@ -379,7 +511,8 @@ static void msm_ext_disp_audio_codec_rx_dai_shutdown(
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struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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int rc;
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int rc = 0;
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struct msm_ext_disp_codec_id codec_info;
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struct msm_ext_disp_audio_codec_rx_data *codec_data =
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dev_get_drvdata(dai->codec->dev);
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@ -391,6 +524,11 @@ static void msm_ext_disp_audio_codec_rx_dai_shutdown(
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return;
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}
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dev_dbg(dai->codec->dev, "%s: DP ctl id %d Stream id %d\n", __func__,
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codec_data->ctl[dai->id], codec_data->stream[dai->id]);
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mutex_lock(&codec_data->dp_ops_lock);
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SWITCH_DP_CODEC(codec_info, codec_data, dai->id);
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rc = codec_data->ext_disp_ops.cable_status(
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codec_data->ext_disp_core_pdev, 0);
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if (rc < 0) {
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@ -401,6 +539,7 @@ static void msm_ext_disp_audio_codec_rx_dai_shutdown(
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codec_data->ext_disp_ops.teardown_done(
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codec_data->ext_disp_core_pdev);
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mutex_unlock(&codec_data->dp_ops_lock);
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}
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static int msm_ext_disp_audio_codec_rx_probe(struct snd_soc_codec *codec)
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@ -440,6 +579,7 @@ static int msm_ext_disp_audio_codec_rx_probe(struct snd_soc_codec *codec)
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return -ENODEV;
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}
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mutex_init(&codec_data->dp_ops_lock);
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dev_set_drvdata(codec->dev, codec_data);
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dev_dbg(codec->dev, "%s(): registered %s with ext disp core\n",
|
||||
|
|
@ -453,6 +593,7 @@ static int msm_ext_disp_audio_codec_rx_remove(struct snd_soc_codec *codec)
|
|||
struct msm_ext_disp_audio_codec_rx_data *codec_data;
|
||||
|
||||
codec_data = dev_get_drvdata(codec->dev);
|
||||
mutex_destroy(&codec_data->dp_ops_lock);
|
||||
kfree(codec_data);
|
||||
|
||||
return 0;
|
||||
|
|
@ -467,6 +608,7 @@ static struct snd_soc_dai_ops msm_ext_disp_audio_codec_rx_dai_ops = {
|
|||
static struct snd_soc_dai_driver msm_ext_disp_audio_codec_rx_dais[] = {
|
||||
{
|
||||
.name = "msm_hdmi_audio_codec_rx_dai",
|
||||
.id = HDMI_DAI,
|
||||
.playback = {
|
||||
.stream_name = "HDMI Playback",
|
||||
.channels_min = 1,
|
||||
|
|
@ -480,6 +622,7 @@ static struct snd_soc_dai_driver msm_ext_disp_audio_codec_rx_dais[] = {
|
|||
},
|
||||
{
|
||||
.name = "msm_dp_audio_codec_rx_dai",
|
||||
.id = DP_DAI1,
|
||||
.playback = {
|
||||
.stream_name = "Display Port Playback",
|
||||
.channels_min = 1,
|
||||
|
|
@ -487,10 +630,27 @@ static struct snd_soc_dai_driver msm_ext_disp_audio_codec_rx_dais[] = {
|
|||
.rate_min = 48000,
|
||||
.rate_max = 192000,
|
||||
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |
|
||||
SNDRV_PCM_RATE_192000,
|
||||
SNDRV_PCM_RATE_192000,
|
||||
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
||||
SNDRV_PCM_FMTBIT_S24_LE |
|
||||
SNDRV_PCM_FMTBIT_S24_3LE,
|
||||
SNDRV_PCM_FMTBIT_S24_LE |
|
||||
SNDRV_PCM_FMTBIT_S24_3LE,
|
||||
},
|
||||
.ops = &msm_ext_disp_audio_codec_rx_dai_ops,
|
||||
},
|
||||
{
|
||||
.name = "msm_dp_audio_codec_rx1_dai",
|
||||
.id = DP_DAI2,
|
||||
.playback = {
|
||||
.stream_name = "Display Port1 Playback",
|
||||
.channels_min = 1,
|
||||
.channels_max = 8,
|
||||
.rate_min = 48000,
|
||||
.rate_max = 192000,
|
||||
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |
|
||||
SNDRV_PCM_RATE_192000,
|
||||
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
||||
SNDRV_PCM_FMTBIT_S24_LE |
|
||||
SNDRV_PCM_FMTBIT_S24_3LE,
|
||||
},
|
||||
.ops = &msm_ext_disp_audio_codec_rx_dai_ops,
|
||||
},
|
||||
|
|
@ -541,7 +701,7 @@ static struct platform_driver msm_ext_disp_audio_codec_rx_driver = {
|
|||
|
||||
static int __init msm_ext_disp_audio_codec_rx_init(void)
|
||||
{
|
||||
int rc;
|
||||
int rc = 0;
|
||||
|
||||
rc = platform_driver_register(&msm_ext_disp_audio_codec_rx_driver);
|
||||
if (rc) {
|
||||
|
|
|
|||
Loading…
Reference in a new issue