This is a note to let you know that I've just added the patch titled
ASoC: amd: yc: Fix for enabling DMIC on acp6x via _DSD entry
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-amd-yc-fix-for-enabling-dmic-on-acp6x-via-_dsd-.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit bf240d4703f705cf4fd52b9780d8a7175f778fa8
Author: Venkata Prasad Potturu <venkataprasad.potturu@xxxxxxx>
Date: Wed Nov 27 16:52:25 2024 +0530
ASoC: amd: yc: Fix for enabling DMIC on acp6x via _DSD entry
[ Upstream commit 4095cf872084ecfdfdb0e681f3e9ff9745acfa75 ]
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@xxxxxxx>
Link: https://patch.msgid.link/20241127112227.227106-1-venkataprasad.potturu@xxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c
index f46158b840a51..1ff894045718d 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -439,8 +439,14 @@ 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) {
@@ -448,9 +454,19 @@ 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)
