diff --git a/include/sound/soc.h b/include/sound/soc.h index f3803c2dc349..7cbe85ca040d 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -938,7 +938,7 @@ snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { #define COMP_PLATFORM(_name) { .name = _name } #define COMP_AUX(_name) { .name = _name } #define COMP_CODEC_CONF(_name) { .name = _name } -#define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", } +#define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */ extern struct snd_soc_dai_link_component null_dailink_component[0]; extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c index 7518ab9d768e..bc07f26ba303 100644 --- a/sound/soc/fsl/fsl-asoc-card.c +++ b/sound/soc/fsl/fsl-asoc-card.c @@ -305,8 +305,7 @@ SND_SOC_DAILINK_DEFS(hifi_fe, SND_SOC_DAILINK_DEFS(hifi_be, DAILINK_COMP_ARRAY(COMP_EMPTY()), - DAILINK_COMP_ARRAY(COMP_EMPTY()), - DAILINK_COMP_ARRAY(COMP_DUMMY())); + DAILINK_COMP_ARRAY(COMP_EMPTY())); static const struct snd_soc_dai_link fsl_asoc_card_dai[] = { /* Default ASoC DAI Link*/ diff --git a/sound/soc/intel/avs/boards/hdaudio.c b/sound/soc/intel/avs/boards/hdaudio.c index 844a918f9a81..79b4aca41333 100644 --- a/sound/soc/intel/avs/boards/hdaudio.c +++ b/sound/soc/intel/avs/boards/hdaudio.c @@ -155,8 +155,6 @@ static int avs_probing_link_init(struct snd_soc_pcm_runtime *rtm) return 0; } -SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY())); - static struct snd_soc_dai_link probing_link = { .name = "probing-LINK", .id = -1, @@ -164,8 +162,8 @@ static struct snd_soc_dai_link probing_link = { .no_pcm = 1, .dpcm_playback = 1, .dpcm_capture = 1, - .cpus = dummy, - .num_cpus = ARRAY_SIZE(dummy), + .cpus = &snd_soc_dummy_dlc, + .num_cpus = 1, .init = avs_probing_link_init, }; diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c index e95f3d3f0401..110ae14dd7ea 100644 --- a/sound/soc/samsung/odroid.c +++ b/sound/soc/samsung/odroid.c @@ -157,8 +157,7 @@ SND_SOC_DAILINK_DEFS(primary, SND_SOC_DAILINK_DEFS(mixer, DAILINK_COMP_ARRAY(COMP_DUMMY()), - DAILINK_COMP_ARRAY(COMP_EMPTY()), - DAILINK_COMP_ARRAY(COMP_DUMMY())); + DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(secondary, DAILINK_COMP_ARRAY(COMP_EMPTY()), diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 132946f82a29..f8524b5bfb33 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -576,6 +576,28 @@ free_rtd: return NULL; } +static void snd_soc_fill_dummy_dai(struct snd_soc_card *card) +{ + struct snd_soc_dai_link *dai_link; + int i; + + /* + * COMP_DUMMY() creates size 0 array on dai_link. + * Fill it as dummy DAI in case of CPU/Codec here. + * Do nothing for Platform. + */ + for_each_card_prelinks(card, i, dai_link) { + if (dai_link->num_cpus == 0 && dai_link->cpus) { + dai_link->num_cpus = 1; + dai_link->cpus = &snd_soc_dummy_dlc; + } + if (dai_link->num_codecs == 0 && dai_link->codecs) { + dai_link->num_codecs = 1; + dai_link->codecs = &snd_soc_dummy_dlc; + } + } +} + static void snd_soc_flush_all_delayed_work(struct snd_soc_card *card) { struct snd_soc_pcm_runtime *rtd; @@ -2131,6 +2153,8 @@ static int snd_soc_bind_card(struct snd_soc_card *card) mutex_lock(&client_mutex); snd_soc_card_mutex_lock_root(card); + snd_soc_fill_dummy_dai(card); + snd_soc_dapm_init(&card->dapm, card, NULL); /* check whether any platform is ignore machine FE and using topology */ diff --git a/sound/soc/sof/sof-client-probes.c b/sound/soc/sof/sof-client-probes.c index 7cc9e8f18de7..30f771ac7bbf 100644 --- a/sound/soc/sof/sof-client-probes.c +++ b/sound/soc/sof/sof-client-probes.c @@ -381,8 +381,6 @@ static const struct snd_soc_component_driver sof_probes_component = { .legacy_dai_naming = 1, }; -SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY())); - static int sof_probes_client_probe(struct auxiliary_device *auxdev, const struct auxiliary_device_id *id) { @@ -475,7 +473,7 @@ static int sof_probes_client_probe(struct auxiliary_device *auxdev, links[0].cpus = &cpus[0]; links[0].num_cpus = 1; links[0].cpus->dai_name = "Probe Extraction CPU DAI"; - links[0].codecs = dummy; + links[0].codecs = &snd_soc_dummy_dlc; links[0].num_codecs = 1; links[0].platforms = platform_component; links[0].num_platforms = ARRAY_SIZE(platform_component);