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Fri, 05 Dec 2025 15:13:17 -0800 (PST) Received: from localhost ([194.190.17.114]) by smtp.gmail.com with UTF8SMTPSA id 2adb3069b0e04-597d7c1e2efsm1918614e87.56.2025.12.05.15.13.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Dec 2025 15:13:17 -0800 (PST) From: Askar Safin To: Mika Westerberg , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski , linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: regressions@lists.linux.dev, Dell.Client.Kernel@dell.com, Mario Limonciello , patches@lists.linux.dev, Askar Safin , stable@vger.kernel.org Subject: [PATCH] gpiolib: acpi: Add quirk for Dell Precision 7780 Date: Fri, 5 Dec 2025 22:32:42 +0000 Message-ID: <20251205230724.2374682-1-safinaskar@gmail.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Dell Precision 7780 often wakes up on its own from suspend. Sometimes wake up happens immediately (i. e. within 7 seconds), sometimes it happens after, say, 30 minutes. Fixes: 1796f808e4bb ("HID: i2c-hid: acpi: Stop setting wakeup_capable") Reported-by: Askar Safin Link: https://lore.kernel.org/linux-i2c/197ae95ffd8.dc819e60457077.7692120488609091556@zohomail.com/ Cc: Tested-by: Askar Safin Signed-off-by: Askar Safin --- drivers/gpio/gpiolib-acpi-quirks.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/gpio/gpiolib-acpi-quirks.c b/drivers/gpio/gpiolib-acpi-quirks.c index 7b95d1b03361..a0116f004975 100644 --- a/drivers/gpio/gpiolib-acpi-quirks.c +++ b/drivers/gpio/gpiolib-acpi-quirks.c @@ -370,6 +370,28 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] __initconst = { .ignore_wake = "ASCP1A00:00@8", }, }, + { + /* + * Spurious wakeups, likely from touchpad controller + * Dell Precision 7780 + * Found in BIOS 1.24.1 + * + * Found in touchpad firmware, installed by Dell Touchpad Firmware Update Utility version 1160.4196.9, A01 + * ( Dell-Touchpad-Firmware-Update-Utility_VYGNN_WIN64_1160.4196.9_A00.EXE ), + * released on 11 Jul 2024 + * + * https://lore.kernel.org/linux-i2c/197ae95ffd8.dc819e60457077.7692120488609091556@zohomail.com/ + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_FAMILY, "Precision"), + DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7780"), + DMI_MATCH(DMI_BOARD_NAME, "0C6JVW"), + }, + .driver_data = &(struct acpi_gpiolib_dmi_quirk) { + .ignore_wake = "VEN_0488:00@355", + }, + }, {} /* Terminating entry */ }; base-commit: 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 (v6.18) -- 2.47.3