* [PATCH] soundwire: dmi-quirks: Disable ghost Realtek on Lenovo Pro 9
@ 2026-09-03 10:27 Charles Keepax
0 siblings, 0 replies; only message in thread
From: Charles Keepax @ 2026-09-03 10:27 UTC (permalink / raw)
To: vkoul
Cc: yung-chuan.liao, pierre-louis.bossart, linux-sound, patches,
linux-kernel
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
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