Re: [PATCH 1/3] ASoC: amd: acp: add DMI override for ACP70 flag

["Mukunda,Vijendar" <vijendar.mukunda@amd.com>]

On 08/03/26 20:46, hasunpark@gmail.com wrote:
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>
> From: Hasun Park <hasunpark@gmail.com>
>
> 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 <hasunpark@gmail.com>
> ---
>  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
>