This is a note to let you know that I've just added the patch titled
ASoC: SOF: Intel: fix SoundWire/HDaudio mutual exclusion
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-sof-intel-fix-soundwire-hdaudio-mutual-exclusio.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 10ebff264005d4de71dc8334dbb862ab8ab4ecc7
Author: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Date: Tue Jun 6 17:25:28 2023 -0500
ASoC: SOF: Intel: fix SoundWire/HDaudio mutual exclusion
[ Upstream commit f751b99255cacd9ffe8c4bbf99767ad670cee1f7 ]
The functionality described in Commit 61bef9e68dca ("ASoC: SOF: Intel: hda: enforce exclusion between HDaudio and SoundWire")
does not seem to be properly implemented with two issues that need to
be corrected.
a) The test used is incorrect when DisplayAudio codecs are not supported.
b) Conversely when only Display Audio codecs can be found, we do want
to start the SoundWire links, if any. That will help add the relevant
topologies and machine descriptors, and identify cases where the
SoundWire information in ACPI needs to be modified with a quirk.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230606222529.57156-2-pierre-louis.bossart@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 3153e21f100ab..3853582e32e12 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -1343,12 +1343,22 @@ static void hda_generic_machine_select(struct snd_sof_dev *sdev,
hda_mach->mach_params.dmic_num = dmic_num;
pdata->tplg_filename = tplg_filename;
- if (codec_num == 2) {
+ if (codec_num == 2 ||
+ (codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
/*
* Prevent SoundWire links from starting when an external
* HDaudio codec is used
*/
hda_mach->mach_params.link_mask = 0;
+ } else {
+ /*
+ * Allow SoundWire links to start when no external HDaudio codec
+ * was detected. This will not create a SoundWire card but
+ * will help detect if any SoundWire codec reports as ATTACHED.
+ */
+ struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
+
+ hda_mach->mach_params.link_mask = hdev->info.link_mask;
}
*mach = hda_mach;
