[PATCH 1/2][SRU][OEM-6.8] ASoC: amd: yc: Fix for enabling DMIC on acp6x via _DSD entry

[You-Sheng Yang]

From: Venkata Prasad Potturu <venkataprasad.potturu at amd.com>

BugLink: https://bugs.launchpad.net/bugs/2093162

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 at amd.com>
Link: https://patch.msgid.link/20241127112227.227106-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie at kernel.org>
(cherry picked from commit 4095cf872084ecfdfdb0e681f3e9ff9745acfa75)
Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.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 248e3bcbf386b..91a994daadba2 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -502,8 +502,14 @@ 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) {
@@ -511,9 +517,19 @@ 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)
-- 
2.47.1