Unverified Commit 739c0311 authored by Amadeusz Sławiński's avatar Amadeusz Sławiński Committed by Mark Brown
Browse files

ASoC: Intel: avs: Provide support for fallback topology 



HDA and HDMI devices are simple enough that in case of user not having
topology tailored to their device, they can use fallback topology.

Signed-off-by: default avatarAmadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20230905093147.1960675-1-amadeuszx.slawinski@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 5366a640

sound/soc/intel/avs/pcm.c

+22 −0
Original line number Diff line number Diff line
@@ -796,6 +796,28 @@ static int avs_component_probe(struct snd_soc_component *component) 


	ret = avs_load_topology(component, filename);

	kfree(filename);

	if (ret == -ENOENT && !strncmp(mach->tplg_filename, "hda-", 4)) {

		unsigned int vendor_id;



		if (sscanf(mach->tplg_filename, "hda-%08x-tplg.bin", &vendor_id) != 1)

			return ret;



		if (((vendor_id >> 16) & 0xFFFF) == 0x8086)

			mach->tplg_filename = devm_kasprintf(adev->dev, GFP_KERNEL,

							     "hda-8086-generic-tplg.bin");

		else

			mach->tplg_filename = devm_kasprintf(adev->dev, GFP_KERNEL,

							     "hda-generic-tplg.bin");



		filename = kasprintf(GFP_KERNEL, "%s/%s", component->driver->topology_name_prefix,

				     mach->tplg_filename);

		if (!filename)

			return -ENOMEM;



		dev_info(card->dev, "trying to load fallback topology %s\n", mach->tplg_filename);

		ret = avs_load_topology(component, filename);

		kfree(filename);

	}

	if (ret < 0)

		return ret;