Add condition check to register ACP PDM sound card by reading
_WOV acpi entry.
Fixes: 09068d624c49 ("ASoC: amd: acp: fix for acp platform device creation failure")
Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@xxxxxxx>
---
sound/soc/amd/acp/acp-legacy-common.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/sound/soc/amd/acp/acp-legacy-common.c b/sound/soc/amd/acp/acp-legacy-common.c
index 988b7a17b2f4..255f90ca956a 100644
--- a/sound/soc/amd/acp/acp-legacy-common.c
+++ b/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");
--
2.39.2
