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Tue, 21 Jul 2026 11:19:47 -0400 (EDT) From: Jorn Baayen To: Mark Brown Cc: Vijendar Mukunda , Venkata Prasad Potturu , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, Jorn Baayen Subject: [PATCH] ASoC: amd: yc: Add DMI quirk for Acer Aspire AG14-22P Date: Tue, 21 Jul 2026 17:19:23 +0200 Message-ID: <20260721151924.30316-1-jhbaayen@fastmail.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The Acer Aspire AG14-22P has its internal microphone connected to the ACP as a digital microphone, but the BIOS does not advertise it via the AcpDmicConnected ACPI property, so the internal microphone does not work out of the box. Add a DMI quirk to enable it. Tested on an Aspire AG14-22P (board Dove2_MDU, BIOS V1.03): the acp6x DMIC card is created and the internal microphone captures audio. Assisted-by: Claude-Code:claude-fable-5 Signed-off-by: Jorn Baayen --- 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 ec94596a5..256abf593 100644 --- a/sound/soc/amd/yc/acp6x-mach.c +++ b/sound/soc/amd/yc/acp6x-mach.c @@ -45,6 +45,13 @@ static struct snd_soc_card acp6x_card =3D { }; =20 static const struct dmi_system_id yc_acp_quirk_table[] =3D { + { + .driver_data =3D &acp6x_card, + .matches =3D { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire AG14-22P"), + } + }, { .driver_data =3D &acp6x_card, .matches =3D { --=20 2.51.0