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([64.72.232.171]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8c6a729543csm1350843885a.48.2026.01.21.17.40.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jan 2026 17:40:01 -0800 (PST) From: feng To: dtor@mail.ru Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, feng Subject: [PATCH] Input: i8042 - add quirk for ASUS Zenbook UX425QA_UM425QA Date: Wed, 21 Jan 2026 20:39:57 -0500 Message-Id: <20260122013957.11184-1-alec.jiang@gmail.com> X-Mailer: git-send-email 2.34.1 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 ASUS Zenbook UX425QA_UM425QA fails to initialize the keyboard after a cold boot. A quirk already exists for "ZenBook UX425", but some Zenbooks report "Zenbo= ok" with a lowercase 'b'. Since DMI matching is case-sensitive, the existing quirk is not applied to = these "extra special" Zenbooks. Testing confirms that this model needs the same quirks as the ZenBook UX425= variants. Signed-off-by: feng --- drivers/input/serio/i8042-acpipnpio.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8= 042-acpipnpio.h index 654771275..b34d922a9 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -115,6 +115,16 @@ static const struct dmi_system_id i8042_dmi_quirk_tabl= e[] __initconst =3D { }, .driver_data =3D (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_NEVER) }, + /* ASUS Zenbook UX425QA_UM425QA + * Some Zenbooks report "Zenbook" with a lowercase b. + */ + { + .matches =3D { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "Zenbook UX425QA_UM425QA"), + }, + .driver_data =3D (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NE= VER) + }, { /* ASUS ZenBook UX425UA/QA */ .matches =3D { --=20 2.34.1