From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- sound/soc/sof/intel/hda-dai.c | 796 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 796 insertions(+) create mode 100644 sound/soc/sof/intel/hda-dai.c (limited to 'sound/soc/sof/intel/hda-dai.c') diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c new file mode 100644 index 0000000000..f3cefd8660 --- /dev/null +++ b/sound/soc/sof/intel/hda-dai.c @@ -0,0 +1,796 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2018 Intel Corporation. All rights reserved. +// +// Authors: Keyon Jie +// + +#include +#include +#include +#include +#include +#include +#include +#include "../ipc4-priv.h" +#include "../ipc4-topology.h" +#include "../sof-priv.h" +#include "../sof-audio.h" +#include "hda.h" + +/* + * The default method is to fetch NHLT from BIOS. With this parameter set + * it is possible to override that with NHLT in the SOF topology manifest. + */ +static bool hda_use_tplg_nhlt; +module_param_named(sof_use_tplg_nhlt, hda_use_tplg_nhlt, bool, 0444); +MODULE_PARM_DESC(sof_use_tplg_nhlt, "SOF topology nhlt override"); + +static struct snd_sof_dev *widget_to_sdev(struct snd_soc_dapm_widget *w) +{ + struct snd_sof_widget *swidget = w->dobj.private; + struct snd_soc_component *component = swidget->scomp; + + return snd_soc_component_get_drvdata(component); +} + +int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags, + struct snd_sof_dai_config_data *data) +{ + struct snd_sof_widget *swidget = w->dobj.private; + const struct sof_ipc_tplg_ops *tplg_ops; + struct snd_sof_dev *sdev; + int ret; + + if (!swidget) + return 0; + + sdev = widget_to_sdev(w); + tplg_ops = sof_ipc_get_ops(sdev, tplg); + + if (tplg_ops && tplg_ops->dai_config) { + ret = tplg_ops->dai_config(sdev, swidget, flags, data); + if (ret < 0) { + dev_err(sdev->dev, "DAI config with flags %x failed for widget %s\n", + flags, w->name); + return ret; + } + } + + return 0; +} + +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK) + +static struct snd_sof_dev *dai_to_sdev(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); + + return widget_to_sdev(w); +} + +static const struct hda_dai_widget_dma_ops * +hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai) +{ + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); + struct snd_sof_widget *swidget = w->dobj.private; + struct snd_sof_dev *sdev; + struct snd_sof_dai *sdai; + + sdev = widget_to_sdev(w); + + /* + * The swidget parameter of hda_select_dai_widget_ops() is ignored in + * case of DSPless mode + */ + if (sdev->dspless_mode_selected) + return hda_select_dai_widget_ops(sdev, NULL); + + sdai = swidget->private; + + /* select and set the DAI widget ops if not set already */ + if (!sdai->platform_private) { + const struct hda_dai_widget_dma_ops *ops = + hda_select_dai_widget_ops(sdev, swidget); + if (!ops) + return NULL; + + /* check if mandatory ops are set */ + if (!ops || !ops->get_hext_stream) + return NULL; + + sdai->platform_private = ops; + } + + return sdai->platform_private; +} + +int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_stream *hext_stream, + struct snd_soc_dai *cpu_dai) +{ + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai); + struct sof_intel_hda_stream *hda_stream; + struct hdac_ext_link *hlink; + struct snd_sof_dev *sdev; + int stream_tag; + + if (!ops) { + dev_err(cpu_dai->dev, "DAI widget ops not set\n"); + return -EINVAL; + } + + sdev = dai_to_sdev(substream, cpu_dai); + + hlink = ops->get_hlink(sdev, substream); + if (!hlink) + return -EINVAL; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + stream_tag = hdac_stream(hext_stream)->stream_tag; + snd_hdac_ext_bus_link_clear_stream_id(hlink, stream_tag); + } + + if (ops->release_hext_stream) + ops->release_hext_stream(sdev, cpu_dai, substream); + + hext_stream->link_prepared = 0; + + /* free the host DMA channel reserved by hostless streams */ + hda_stream = hstream_to_sof_hda_stream(hext_stream); + hda_stream->host_reserved = 0; + + return 0; +} + +static int hda_link_dma_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai) +{ + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai); + struct hdac_ext_stream *hext_stream; + struct hdac_stream *hstream; + struct hdac_ext_link *hlink; + struct snd_sof_dev *sdev; + int stream_tag; + + if (!ops) { + dev_err(cpu_dai->dev, "DAI widget ops not set\n"); + return -EINVAL; + } + + sdev = dai_to_sdev(substream, cpu_dai); + + hlink = ops->get_hlink(sdev, substream); + if (!hlink) + return -EINVAL; + + hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream); + + if (!hext_stream) { + if (ops->assign_hext_stream) + hext_stream = ops->assign_hext_stream(sdev, cpu_dai, substream); + } + + if (!hext_stream) + return -EBUSY; + + hstream = &hext_stream->hstream; + stream_tag = hstream->stream_tag; + + if (hext_stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK) + snd_hdac_ext_bus_link_set_stream_id(hlink, stream_tag); + + /* set the hdac_stream in the codec dai */ + if (ops->codec_dai_set_stream) + ops->codec_dai_set_stream(sdev, substream, hstream); + + if (ops->reset_hext_stream) + ops->reset_hext_stream(sdev, hext_stream); + + if (ops->calc_stream_format && ops->setup_hext_stream) { + unsigned int format_val = ops->calc_stream_format(sdev, substream, params); + + ops->setup_hext_stream(sdev, hext_stream, format_val); + } + + hext_stream->link_prepared = 1; + + return 0; +} + +static int __maybe_unused hda_dai_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai); + struct hdac_ext_stream *hext_stream; + struct snd_sof_dev *sdev = dai_to_sdev(substream, cpu_dai); + + if (!ops) { + dev_err(cpu_dai->dev, "DAI widget ops not set\n"); + return -EINVAL; + } + + hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream); + if (!hext_stream) + return 0; + + return hda_link_dma_cleanup(substream, hext_stream, cpu_dai); +} + +static int __maybe_unused hda_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(dai, substream->stream); + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai); + struct hdac_ext_stream *hext_stream; + struct snd_sof_dai_config_data data = { 0 }; + unsigned int flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS; + struct snd_sof_dev *sdev = widget_to_sdev(w); + int ret; + + if (!ops) { + dev_err(sdev->dev, "DAI widget ops not set\n"); + return -EINVAL; + } + + hext_stream = ops->get_hext_stream(sdev, dai, substream); + if (hext_stream && hext_stream->link_prepared) + return 0; + + ret = hda_link_dma_hw_params(substream, params, dai); + if (ret < 0) + return ret; + + hext_stream = ops->get_hext_stream(sdev, dai, substream); + + flags |= SOF_DAI_CONFIG_FLAGS_2_STEP_STOP << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT; + data.dai_data = hdac_stream(hext_stream)->stream_tag - 1; + + return hda_dai_config(w, flags, &data); +} + +/* + * In contrast to IPC3, the dai trigger in IPC4 mixes pipeline state changes + * (over IPC channel) and DMA state change (direct host register changes). + */ +static int __maybe_unused hda_dai_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai); + struct hdac_ext_stream *hext_stream; + struct snd_sof_dev *sdev; + int ret; + + if (!ops) { + dev_err(dai->dev, "DAI widget ops not set\n"); + return -EINVAL; + } + + dev_dbg(dai->dev, "cmd=%d dai %s direction %d\n", cmd, + dai->name, substream->stream); + + sdev = dai_to_sdev(substream, dai); + + hext_stream = ops->get_hext_stream(sdev, dai, substream); + if (!hext_stream) + return -EINVAL; + + if (ops->pre_trigger) { + ret = ops->pre_trigger(sdev, dai, substream, cmd); + if (ret < 0) + return ret; + } + + if (ops->trigger) { + ret = ops->trigger(sdev, dai, substream, cmd); + if (ret < 0) + return ret; + } + + if (ops->post_trigger) { + ret = ops->post_trigger(sdev, dai, substream, cmd); + if (ret < 0) + return ret; + } + + switch (cmd) { + case SNDRV_PCM_TRIGGER_SUSPEND: + ret = hda_link_dma_cleanup(substream, hext_stream, dai); + if (ret < 0) { + dev_err(sdev->dev, "%s: failed to clean up link DMA\n", __func__); + return ret; + } + break; + default: + break; + } + + return 0; +} + +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) + +static int hda_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + int stream = substream->stream; + + return hda_dai_hw_params(substream, &rtd->dpcm[stream].hw_params, dai); +} + +static const struct snd_soc_dai_ops hda_dai_ops = { + .hw_params = hda_dai_hw_params, + .hw_free = hda_dai_hw_free, + .trigger = hda_dai_trigger, + .prepare = hda_dai_prepare, +}; + +#endif + +static struct sof_ipc4_copier *widget_to_copier(struct snd_soc_dapm_widget *w) +{ + struct snd_sof_widget *swidget = w->dobj.private; + struct snd_sof_dai *sdai = swidget->private; + struct sof_ipc4_copier *ipc4_copier = (struct sof_ipc4_copier *)sdai->private; + + return ipc4_copier; +} + +static int non_hda_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *cpu_dai) +{ + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); + struct sof_ipc4_dma_config_tlv *dma_config_tlv; + const struct hda_dai_widget_dma_ops *ops; + struct sof_ipc4_dma_config *dma_config; + struct sof_ipc4_copier *ipc4_copier; + struct hdac_ext_stream *hext_stream; + struct hdac_stream *hstream; + struct snd_sof_dev *sdev; + int stream_id; + int ret; + + ops = hda_dai_get_ops(substream, cpu_dai); + if (!ops) { + dev_err(cpu_dai->dev, "DAI widget ops not set\n"); + return -EINVAL; + } + + /* use HDaudio stream handling */ + ret = hda_dai_hw_params(substream, params, cpu_dai); + if (ret < 0) { + dev_err(cpu_dai->dev, "%s: hda_dai_hw_params failed: %d\n", __func__, ret); + return ret; + } + + /* get stream_id */ + sdev = widget_to_sdev(w); + hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream); + + if (!hext_stream) { + dev_err(cpu_dai->dev, "%s: no hext_stream found\n", __func__); + return -ENODEV; + } + + hstream = &hext_stream->hstream; + stream_id = hstream->stream_tag; + + if (!stream_id) { + dev_err(cpu_dai->dev, "%s: no stream_id allocated\n", __func__); + return -ENODEV; + } + + /* configure TLV */ + ipc4_copier = widget_to_copier(w); + + dma_config_tlv = &ipc4_copier->dma_config_tlv; + dma_config_tlv->type = SOF_IPC4_GTW_DMA_CONFIG_ID; + /* dma_config_priv_size is zero */ + dma_config_tlv->length = sizeof(dma_config_tlv->dma_config); + + dma_config = &dma_config_tlv->dma_config; + + dma_config->dma_method = SOF_IPC4_DMA_METHOD_HDA; + dma_config->pre_allocated_by_host = 1; + dma_config->dma_channel_id = stream_id - 1; + dma_config->stream_id = stream_id; + dma_config->dma_stream_channel_map.device_count = 0; /* mapping not used */ + dma_config->dma_priv_config_size = 0; + + return 0; +} + +static int non_hda_dai_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + int stream = substream->stream; + + return non_hda_dai_hw_params(substream, &rtd->dpcm[stream].hw_params, cpu_dai); +} + +static const struct snd_soc_dai_ops ssp_dai_ops = { + .hw_params = non_hda_dai_hw_params, + .hw_free = hda_dai_hw_free, + .trigger = hda_dai_trigger, + .prepare = non_hda_dai_prepare, +}; + +static const struct snd_soc_dai_ops dmic_dai_ops = { + .hw_params = non_hda_dai_hw_params, + .hw_free = hda_dai_hw_free, + .trigger = hda_dai_trigger, + .prepare = non_hda_dai_prepare, +}; + +int sdw_hda_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *cpu_dai, + int link_id) +{ + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); + const struct hda_dai_widget_dma_ops *ops; + struct hdac_ext_stream *hext_stream; + struct snd_sof_dev *sdev; + int ret; + + ret = non_hda_dai_hw_params(substream, params, cpu_dai); + if (ret < 0) { + dev_err(cpu_dai->dev, "%s: non_hda_dai_hw_params failed %d\n", __func__, ret); + return ret; + } + + ops = hda_dai_get_ops(substream, cpu_dai); + sdev = widget_to_sdev(w); + hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream); + + if (!hext_stream) + return -ENODEV; + + /* in the case of SoundWire we need to program the PCMSyCM registers */ + ret = hdac_bus_eml_sdw_map_stream_ch(sof_to_bus(sdev), link_id, cpu_dai->id, + GENMASK(params_channels(params) - 1, 0), + hdac_stream(hext_stream)->stream_tag, + substream->stream); + if (ret < 0) { + dev_err(cpu_dai->dev, "%s: hdac_bus_eml_sdw_map_stream_ch failed %d\n", + __func__, ret); + return ret; + } + + return 0; +} + +int sdw_hda_dai_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai, + int link_id) +{ + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); + struct snd_sof_dev *sdev; + int ret; + + ret = hda_dai_hw_free(substream, cpu_dai); + if (ret < 0) { + dev_err(cpu_dai->dev, "%s: non_hda_dai_hw_free failed %d\n", __func__, ret); + return ret; + } + + sdev = widget_to_sdev(w); + + /* in the case of SoundWire we need to reset the PCMSyCM registers */ + ret = hdac_bus_eml_sdw_map_stream_ch(sof_to_bus(sdev), link_id, cpu_dai->id, + 0, 0, substream->stream); + if (ret < 0) { + dev_err(cpu_dai->dev, "%s: hdac_bus_eml_sdw_map_stream_ch failed %d\n", + __func__, ret); + return ret; + } + + return 0; +} + +int sdw_hda_dai_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *cpu_dai) +{ + return hda_dai_trigger(substream, cmd, cpu_dai); +} + +static int hda_dai_suspend(struct hdac_bus *bus) +{ + struct snd_soc_pcm_runtime *rtd; + struct hdac_ext_stream *hext_stream; + struct hdac_stream *s; + int ret; + + /* set internal flag for BE */ + list_for_each_entry(s, &bus->stream_list, list) { + + hext_stream = stream_to_hdac_ext_stream(s); + + /* + * clear stream. This should already be taken care for running + * streams when the SUSPEND trigger is called. But paused + * streams do not get suspended, so this needs to be done + * explicitly during suspend. + */ + if (hext_stream->link_substream) { + const struct hda_dai_widget_dma_ops *ops; + struct snd_sof_widget *swidget; + struct snd_soc_dapm_widget *w; + struct snd_soc_dai *cpu_dai; + struct snd_sof_dev *sdev; + struct snd_sof_dai *sdai; + + rtd = asoc_substream_to_rtd(hext_stream->link_substream); + cpu_dai = asoc_rtd_to_cpu(rtd, 0); + w = snd_soc_dai_get_widget(cpu_dai, hdac_stream(hext_stream)->direction); + swidget = w->dobj.private; + sdev = widget_to_sdev(w); + sdai = swidget->private; + ops = sdai->platform_private; + + ret = hda_link_dma_cleanup(hext_stream->link_substream, + hext_stream, + cpu_dai); + if (ret < 0) + return ret; + + /* for consistency with TRIGGER_SUSPEND */ + if (ops->post_trigger) { + ret = ops->post_trigger(sdev, cpu_dai, + hext_stream->link_substream, + SNDRV_PCM_TRIGGER_SUSPEND); + if (ret < 0) + return ret; + } + } + } + + return 0; +} + +static void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) +{ + const struct sof_intel_dsp_desc *chip; + int i; + + chip = get_chip_info(sdev->pdata); + + if (chip->hw_ip_version >= SOF_INTEL_ACE_2_0) { + for (i = 0; i < ops->num_drv; i++) { + if (strstr(ops->drv[i].name, "SSP")) + ops->drv[i].ops = &ssp_dai_ops; + } + } +} + +static void dmic_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) +{ + const struct sof_intel_dsp_desc *chip; + int i; + + chip = get_chip_info(sdev->pdata); + + if (chip->hw_ip_version >= SOF_INTEL_ACE_2_0) { + for (i = 0; i < ops->num_drv; i++) { + if (strstr(ops->drv[i].name, "DMIC")) + ops->drv[i].ops = &dmic_dai_ops; + } + } +} + +#else + +static inline void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) {} +static inline void dmic_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) {} + +#endif /* CONFIG_SND_SOC_SOF_HDA_LINK */ + +void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) +{ + int i; + + for (i = 0; i < ops->num_drv; i++) { +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) + if (strstr(ops->drv[i].name, "iDisp") || + strstr(ops->drv[i].name, "Analog") || + strstr(ops->drv[i].name, "Digital")) + ops->drv[i].ops = &hda_dai_ops; +#endif + } + + ssp_set_dai_drv_ops(sdev, ops); + dmic_set_dai_drv_ops(sdev, ops); + + if (sdev->pdata->ipc_type == SOF_INTEL_IPC4 && !hda_use_tplg_nhlt) { + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + + ipc4_data->nhlt = intel_nhlt_init(sdev->dev); + } +} + +void hda_ops_free(struct snd_sof_dev *sdev) +{ + if (sdev->pdata->ipc_type == SOF_INTEL_IPC4) { + struct sof_ipc4_fw_data *ipc4_data = sdev->private; + + if (!hda_use_tplg_nhlt) + intel_nhlt_free(ipc4_data->nhlt); + } +} +EXPORT_SYMBOL_NS(hda_ops_free, SND_SOC_SOF_INTEL_HDA_COMMON); + +/* + * common dai driver for skl+ platforms. + * some products who use this DAI array only physically have a subset of + * the DAIs, but no harm is done here by adding the whole set. + */ +struct snd_soc_dai_driver skl_dai[] = { +{ + .name = "SSP0 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, + .capture = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "SSP1 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, + .capture = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "SSP2 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, + .capture = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "SSP3 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, + .capture = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "SSP4 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, + .capture = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "SSP5 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, + .capture = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "DMIC01 Pin", + .capture = { + .channels_min = 1, + .channels_max = 4, + }, +}, +{ + .name = "DMIC16k Pin", + .capture = { + .channels_min = 1, + .channels_max = 4, + }, +}, +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) +{ + .name = "iDisp1 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "iDisp2 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "iDisp3 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "iDisp4 Pin", + .playback = { + .channels_min = 1, + .channels_max = 8, + }, +}, +{ + .name = "Analog CPU DAI", + .playback = { + .channels_min = 1, + .channels_max = 16, + }, + .capture = { + .channels_min = 1, + .channels_max = 16, + }, +}, +{ + .name = "Digital CPU DAI", + .playback = { + .channels_min = 1, + .channels_max = 16, + }, + .capture = { + .channels_min = 1, + .channels_max = 16, + }, +}, +{ + .name = "Alt Analog CPU DAI", + .playback = { + .channels_min = 1, + .channels_max = 16, + }, + .capture = { + .channels_min = 1, + .channels_max = 16, + }, +}, +#endif +}; + +int hda_dsp_dais_suspend(struct snd_sof_dev *sdev) +{ + /* + * In the corner case where a SUSPEND happens during a PAUSE, the ALSA core + * does not throw the TRIGGER_SUSPEND. This leaves the DAIs in an unbalanced state. + * Since the component suspend is called last, we can trap this corner case + * and force the DAIs to release their resources. + */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK) + int ret; + + ret = hda_dai_suspend(sof_to_bus(sdev)); + if (ret < 0) + return ret; +#endif + + return 0; +} -- cgit v1.2.3