[PATCH] ASoC: amd: yc: Fix for enabling DMIC on acp6x via _DSD entry

[Venkata Prasad Potturu <venkataprasad.potturu@amd.com>]

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

Fixes: 5426f506b584 ("ASoC: amd: Add support for enabling DMIC on acp6x via _DSD")

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
---
 sound/soc/amd/yc/acp6x-mach.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c
index 438865d5e376..c301dac8b979 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -523,8 +523,14 @@ static int acp6x_probe(struct platform_device *pdev)
 	struct acp6x_pdm *machine = NULL;
 	struct snd_soc_card *card;
 	struct acpi_device *adev;
+	acpi_handle handle;
+	acpi_integer dmic_status;
 	int ret;
+	bool is_dmic_enable, wov_en;
 
+	/* IF WOV entry not found, enable dmic based on AcpDmicConnected entry*/
+	is_dmic_enable = false;
+	wov_en = true;
 	/* check the parent device's firmware node has _DSD or not */
 	adev = ACPI_COMPANION(pdev->dev.parent);
 	if (adev) {
@@ -532,9 +538,19 @@ static int acp6x_probe(struct platform_device *pdev)
 
 		if (!acpi_dev_get_property(adev, "AcpDmicConnected", ACPI_TYPE_INTEGER, &obj) &&
 		    obj->integer.value == 1)
-			platform_set_drvdata(pdev, &acp6x_card);
+			is_dmic_enable = true;
 	}
 
+	handle = ACPI_HANDLE(pdev->dev.parent);
+	ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status);
+	if (!ACPI_FAILURE(ret))
+		wov_en = dmic_status;
+
+	if (is_dmic_enable && wov_en)
+		platform_set_drvdata(pdev, &acp6x_card);
+	else
+		return 0;
+
 	/* check for any DMI overrides */
 	dmi_id = dmi_first_match(yc_acp_quirk_table);
 	if (dmi_id)
-- 
2.39.2