The ThinkPad X395 latop does not have the internal digital microphone connected to the AMD's ACP bridge, but it's advertised via BIOS. The internal microphone is connected to the HDA codec.
Use DMI to block the microphone PCM device for this platform.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1892115 Cc: stable@kernel.org Cc: Mark Brown broonie@kernel.org Signed-off-by: Jaroslav Kysela perex@perex.cz --- sound/soc/amd/renoir/rn-pci-acp3x.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/sound/soc/amd/renoir/rn-pci-acp3x.c b/sound/soc/amd/renoir/rn-pci-acp3x.c index 749e520eaca9..a2993696e600 100644 --- a/sound/soc/amd/renoir/rn-pci-acp3x.c +++ b/sound/soc/amd/renoir/rn-pci-acp3x.c @@ -174,6 +174,11 @@ static const struct dmi_system_id rn_acp_quirk_table[] = { .matches = { DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "20T6CTO1WW"), + }, + /* Lenovo ThinkPad X395 */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "20NLCTO1WW"), } }, {}