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

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

Fixes: 09068d6 ("ASoC: amd: acp: fix for acp platform device creation failure")

Signed-off-by: Venkata Prasad Potturu <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: Venkata-Prasad-Potturu

sound/soc/amd/acp/acp-legacy-common.c

@@ -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");