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mb/google/glados: Correct channel count for DMIC

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These boards only have 2 DMIC physically connected, and attempting to
record from 4 channels vs 2 results in a large amount of background
noise which drowns out the recording. Selecting the 2 channel DMIC
shows audio on both channels and no noise.

TEST=build/boot glados variants, test built-in mic under Windows
and Linux.

Change-Id: I68b7d1425c18d070dd75bc42d40ee30701f9704a
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88079
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
This commit is contained in:
Matt DeVillier 2025-06-12 13:03:03 -05:00 • committed by Sean Rhodes
commit 686dea9883
1 changed files with 2 additions and 2 deletions
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4
src/mainboard/google/glados/Kconfig
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@ -53,7 +53,7 @@ config BOARD_GOOGLE_CHELL
config BOARD_GOOGLE_GLADOS
select BOARD_GOOGLE_BASEBOARD_GLADOS
select NHLT_DMIC_4CH if INCLUDE_NHLT_BLOBS
select NHLT_DMIC_2CH if INCLUDE_NHLT_BLOBS
select NHLT_SSM4567 if INCLUDE_NHLT_BLOBS
config BOARD_GOOGLE_LARS
@ -69,7 +69,7 @@ config BOARD_GOOGLE_SENTRY
select DRIVERS_GENERIC_MAX98357A
select INTEL_GMA_HAVE_VBT
select MAINBOARD_NO_FSP_GOP
select NHLT_DMIC_4CH if INCLUDE_NHLT_BLOBS
select NHLT_DMIC_2CH if INCLUDE_NHLT_BLOBS
select NHLT_MAX98357 if INCLUDE_NHLT_BLOBS
select NHLT_SSM4567 if INCLUDE_NHLT_BLOBS