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Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] > > From: Hasun Park > > Some ASUS ProArt PX13 systems expose ACP ACPI config flags that can > select a non-working fallback path. > > Add a DMI override in snd_amd_acp_find_config() for ACP70+ boards and > return 0 so ACP ACPI flag-based selection is skipped on this platform. > > This keeps machine driver selection on the intended SoundWire path. This patch should be dropped. To avoid overgrowing DMI quirks table, we have introduced "acp-audio-config-flag" which should be updated based on platform hw configuration and required driver solution to be loaded. ASUS has to update the BIOS by changing "acp-audio-config-flag" to zero. > > Signed-off-by: Hasun Park > --- > sound/soc/amd/acp-config.c | 15 ++++++++++++++- > 1 file changed, 14 insertions(+), 1 deletion(-) > > diff --git a/sound/soc/amd/acp-config.c b/sound/soc/amd/acp-config.c > index 365209ea53f3..1604ed679224 100644 > --- a/sound/soc/amd/acp-config.c > +++ b/sound/soc/amd/acp-config.c > @@ -23,6 +23,16 @@ > > static int acp_quirk_data; > > +static const struct dmi_system_id acp70_acpi_flag_override_table[] = { > + { > + .matches = { > + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."), > + DMI_MATCH(DMI_PRODUCT_NAME, "HN7306EA"), > + }, > + }, > + {} > +}; > + > static const struct config_entry config_table[] = { > { > .flags = FLAG_AMD_SOF, > @@ -186,8 +196,11 @@ int snd_amd_acp_find_config(struct pci_dev *pci) > */ > if (!pci->revision) > return 0; > - else if (pci->revision >= ACP_7_0_REV) > + else if (pci->revision >= ACP_7_0_REV) { > + if (dmi_check_system(acp70_acpi_flag_override_table)) > + return 0; > return snd_amd_acp_acpi_find_config(pci); > + } > > for (i = 0; i < ARRAY_SIZE(config_table); i++, table++) { > if (table->device != device) > -- > 2.53.0 >