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@amd.com --- 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");