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ASoC: amd: acp: Fix for enabling DMIC on acp platforms via _DSD entry

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Add condition check to register ACP PDM sound card by reading
_WOV acpi entry.

Fixes: 09068d624c ("ASoC: amd: acp: fix for acp platform device creation failure")

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20250310183201.11979-15-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Venkata Prasad Potturu
2025-03-11 00:02:01 +05:30
committed by Mark Brown
parent e167e5b268
commit 02e1cf7a35
1 changed files with 9 additions and 1 deletions
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10
sound/soc/amd/acp/acp-legacy-common.c
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@@ -13,6 +13,7 @@
*/
#include "amd.h"
#include <linux/acpi.h>
#include <linux/pci.h>
#include <linux/export.h>
@@ -511,7 +512,9 @@ void check_acp_config(struct pci_dev *pci, struct acp_chip_info *chip)
{
struct acpi_device *pdm_dev;
const union acpi_object *obj;
u32 pdm_addr;
acpi_handle handle;
acpi_integer dmic_status;
u32 pdm_addr, ret;
switch (chip->acp_rev) {
case ACP_RN_PCI_ID:
@@ -543,6 +546,11 @@ void check_acp_config(struct pci_dev *pci, struct acp_chip_info *chip)
obj->integer.value == pdm_addr)
chip->is_pdm_dev = true;
}
handle = ACPI_HANDLE(&pci->dev);
ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status);
if (!ACPI_FAILURE(ret))
chip->is_pdm_dev = dmic_status;
}
}
EXPORT_SYMBOL_NS_GPL(check_acp_config, "SND_SOC_ACP_COMMON");