The Lenovo Pro 9 also has a Realtek device in the ACPI that
doesn't exist in the physical hardware. This confuses the machine
driver into attempting to create DAI links for the device. Add a
quirk to remove this device.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
---
 drivers/soundwire/dmi-quirks.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/soundwire/dmi-quirks.c b/drivers/soundwire/dmi-quirks.c
index e49325331b3df..72e59b50b6853 100644
--- a/drivers/soundwire/dmi-quirks.c
+++ b/drivers/soundwire/dmi-quirks.c
@@ -235,6 +235,13 @@ static const struct dmi_system_id adr_remap_quirk_table[] = {
 		},
 		.driver_data = (void *)ghost_realtek,
 	},
+	{
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "83U9"),
+		},
+		.driver_data = (void *)ghost_realtek,
+	},
 	{}
 };
 
-- 
2.47.3

On Thu, 03 Sep 2026 11:27:43 +0100, Charles Keepax wrote:
> The Lenovo Pro 9 also has a Realtek device in the ACPI that
> doesn't exist in the physical hardware. This confuses the machine
> driver into attempting to create DAI links for the device. Add a
> quirk to remove this device.
> 
> 

Applied, thanks!

[1/1] soundwire: dmi-quirks: Disable ghost Realtek on Lenovo Pro 9
      commit: a6a867552a36e647cbd35aceae24754c9bcd3661

Best regards,
-- 
~Vinod