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* [PATCH] ASoC: amd: yc: Add DMI quirk for HP Laptop 15-fc0251la
@ 2026-03-04 18:44 Guillermo Reisch
  0 siblings, 0 replies; only message in thread
From: Guillermo Reisch @ 2026-03-04 18:44 UTC (permalink / raw)
  To: Vijendar Mukunda; +Cc: linux-sound

The HP Laptop 15-fc0251la (B9TP2LA) has an internal DMIC that
is not detected without a DMI quirk entry, as the last BIOS
(ver F.21) does not set the AcpDmicConnected ACPI _DSD property.

Adding the DMI entry enables the ACP6x DMIC machine driver to probe
successfully.

Signed-off-by: Guillermo Reisch <greisch@fenf.edu.uy>
---
 sound/soc/amd/yc/acp6x-mach.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c
index 77a96854a45c..709887b3467a 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -647,6 +647,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = 
{
                        DMI_MATCH(DMI_BOARD_NAME, "8BD6"),
                }
        },
+       {
+               .driver_data = &acp6x_card,
+               .matches = {
+                       DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
+                       DMI_MATCH(DMI_BOARD_NAME, "8DC9"),
+               }
+       },
        {
                .driver_data = &acp6x_card,
                .matches = {
-- 
2.51.0




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