diff options
author | Kai Vehmanen <kai.vehmanen@linux.intel.com> | 2020-02-20 20:10:27 +0300 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2020-02-20 23:28:44 +0300 |
commit | d2ad9d6ca5b2435754a0fd811f57d30914c612ce (patch) | |
tree | bd5a3e9aae4a758a9500efe237615a9127b01e55 | |
parent | dc7f090d9ab2f36fc404f8d903f806a1b811739e (diff) | |
download | linux-d2ad9d6ca5b2435754a0fd811f57d30914c612ce.tar.xz |
ASoC: intel/skl/hda - add no-HDMI cases to generic HDA driver
Extend the generic HDA driver to support systems where iDisp/HDMI
audio codecs are disabled for some reason. Switch codecs to
SoC dummy in the affected DAI links. This allows to reuse
existing topologies for this case.
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=206085
BugLink: https://bugzilla.opensuse.org/show_bug.cgi?id=1163677
BugLink: https://github.com/thesofproject/linux/issues/1658
Link: https://lore.kernel.org/r/20200220171028.22023-2-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r-- | sound/soc/intel/boards/skl_hda_dsp_common.h | 4 | ||||
-rw-r--r-- | sound/soc/intel/boards/skl_hda_dsp_generic.c | 25 |
2 files changed, 24 insertions, 5 deletions
diff --git a/sound/soc/intel/boards/skl_hda_dsp_common.h b/sound/soc/intel/boards/skl_hda_dsp_common.h index d6150670ca05..e8545d13062f 100644 --- a/sound/soc/intel/boards/skl_hda_dsp_common.h +++ b/sound/soc/intel/boards/skl_hda_dsp_common.h @@ -49,6 +49,10 @@ static inline int skl_hda_hdmi_build_controls(struct snd_soc_card *card) struct snd_soc_component *component; struct skl_hda_hdmi_pcm *pcm; + /* HDMI disabled, do not create controls */ + if (list_empty(&ctx->hdmi_pcm_list)) + return 0; + pcm = list_first_entry(&ctx->hdmi_pcm_list, struct skl_hda_hdmi_pcm, head); component = pcm->codec_dai->component; diff --git a/sound/soc/intel/boards/skl_hda_dsp_generic.c b/sound/soc/intel/boards/skl_hda_dsp_generic.c index 11eaee9ae41f..fe2d3a23a4ef 100644 --- a/sound/soc/intel/boards/skl_hda_dsp_generic.c +++ b/sound/soc/intel/boards/skl_hda_dsp_generic.c @@ -61,6 +61,9 @@ static const struct snd_soc_dapm_route skl_hda_map[] = { { "Alt Analog CPU Capture", NULL, "Alt Analog Codec Capture" }, }; +SND_SOC_DAILINK_DEF(dummy_codec, + DAILINK_COMP_ARRAY(COMP_CODEC("snd-soc-dummy", "snd-soc-dummy-dai"))); + static int skl_hda_card_late_probe(struct snd_soc_card *card) { return skl_hda_hdmi_jack_init(card); @@ -114,13 +117,19 @@ static int skl_hda_fill_card_info(struct snd_soc_acpi_mach_params *mach_params) { struct snd_soc_card *card = &hda_soc_card; struct snd_soc_dai_link *dai_link; - u32 codec_count, codec_mask; + u32 codec_count, codec_mask, idisp_mask; int i, num_links, num_route; codec_mask = mach_params->codec_mask; codec_count = hweight_long(codec_mask); + idisp_mask = codec_mask & IDISP_CODEC_MASK; + + if (!codec_count || codec_count > 2 || + (codec_count == 2 && !idisp_mask)) + return -EINVAL; - if (codec_count == 1 && codec_mask & IDISP_CODEC_MASK) { + if (codec_mask == idisp_mask) { + /* topology with iDisp as the only HDA codec */ num_links = IDISP_DAI_COUNT + DMIC_DAI_COUNT; num_route = IDISP_ROUTE_COUNT; @@ -135,13 +144,19 @@ static int skl_hda_fill_card_info(struct snd_soc_acpi_mach_params *mach_params) skl_hda_be_dai_links[IDISP_DAI_COUNT + HDAC_DAI_COUNT + i]; } - } else if (codec_count == 2 && codec_mask & IDISP_CODEC_MASK) { + } else { + /* topology with external and iDisp HDA codecs */ num_links = ARRAY_SIZE(skl_hda_be_dai_links); num_route = ARRAY_SIZE(skl_hda_map); card->dapm_widgets = skl_hda_widgets; card->num_dapm_widgets = ARRAY_SIZE(skl_hda_widgets); - } else { - return -EINVAL; + if (!idisp_mask) { + for (i = 0; i < IDISP_DAI_COUNT; i++) { + skl_hda_be_dai_links[i].codecs = dummy_codec; + skl_hda_be_dai_links[i].num_codecs = + ARRAY_SIZE(dummy_codec); + } + } } card->num_links = num_links; |