diff options
Diffstat (limited to 'sound/soc/intel/boards/hda_dsp_common.c')
| -rw-r--r-- | sound/soc/intel/boards/hda_dsp_common.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/sound/soc/intel/boards/hda_dsp_common.c b/sound/soc/intel/boards/hda_dsp_common.c index 244b57fba64c..328ffff336a8 100644 --- a/sound/soc/intel/boards/hda_dsp_common.c +++ b/sound/soc/intel/boards/hda_dsp_common.c @@ -1,7 +1,8 @@ // SPDX-License-Identifier: GPL-2.0-only // -// Copyright(c) 2019 Intel Corporation. All rights reserved. +// Copyright(c) 2019 Intel Corporation +#include <linux/module.h> #include <sound/pcm.h> #include <sound/soc.h> #include <sound/hda_codec.h> @@ -10,20 +11,31 @@ #include "hda_dsp_common.h" +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) + /* * Search card topology and return PCM device number - * matching Nth HDMI device (zero-based index). + * matching Nth playback HDMI device (zero-based index). */ -struct snd_pcm *hda_dsp_hdmi_pcm_handle(struct snd_soc_card *card, - int hdmi_idx) +static struct snd_pcm *hda_dsp_hdmi_pcm_handle(struct snd_soc_card *card, + int hdmi_idx) { struct snd_soc_pcm_runtime *rtd; struct snd_pcm *spcm; int i = 0; for_each_card_rtds(card, rtd) { - spcm = rtd->pcm ? - rtd->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].pcm : NULL; + /* ignore BE PCMs */ + if (rtd->dai_link && rtd->dai_link->no_pcm) + continue; + + spcm = rtd->pcm; + + /* ignore PCMs with no playback streams */ + if (!spcm || !spcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) + continue; + + /* look for FE PCMs with name "HDMI x" */ if (spcm && strstr(spcm->id, "HDMI")) { if (i == hdmi_idx) return rtd->pcm; @@ -34,7 +46,6 @@ struct snd_pcm *hda_dsp_hdmi_pcm_handle(struct snd_soc_card *card, return NULL; } -#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) /* * Search card topology and register HDMI PCM related controls * to codec driver. @@ -52,7 +63,7 @@ int hda_dsp_hdmi_build_controls(struct snd_soc_card *card, return -EINVAL; hda_pvt = snd_soc_component_get_drvdata(comp); - hcodec = &hda_pvt->codec; + hcodec = hda_pvt->codec; list_for_each_entry(hpcm, &hcodec->pcm_list_head, list) { spcm = hda_dsp_hdmi_pcm_handle(card, i); @@ -60,13 +71,13 @@ int hda_dsp_hdmi_build_controls(struct snd_soc_card *card, hpcm->pcm = spcm; hpcm->device = spcm->device; dev_dbg(card->dev, - "%s: mapping HDMI converter %d to PCM %d (%p)\n", - __func__, i, hpcm->device, spcm); + "mapping HDMI converter %d to PCM %d (%p)\n", + i, hpcm->device, spcm); } else { hpcm->pcm = NULL; hpcm->device = SNDRV_PCM_INVALID_DEVICE; dev_warn(card->dev, - "%s: no PCM in topology for HDMI converter %d\n\n", + "%s: no PCM in topology for HDMI converter %d\n", __func__, i); } i++; @@ -81,5 +92,9 @@ int hda_dsp_hdmi_build_controls(struct snd_soc_card *card, return err; } +EXPORT_SYMBOL_NS(hda_dsp_hdmi_build_controls, "SND_SOC_INTEL_HDA_DSP_COMMON"); #endif + +MODULE_DESCRIPTION("ASoC Intel HDMI helpers"); +MODULE_LICENSE("GPL"); |