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From: Askar Safin <safinaskar@gmail.com>
To: Mika Westerberg <westeri@kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <brgl@kernel.org>,
	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 <superm1@kernel.org>,
	patches@lists.linux.dev, Askar Safin <safinaskar@zohomail.com>,
	stable@vger.kernel.org
Subject: [PATCH] gpiolib: acpi: Add quirk for Dell Precision 7780
Date: Fri,  5 Dec 2025 22:32:42 +0000	[thread overview]
Message-ID: <20251205230724.2374682-1-safinaskar@gmail.com> (raw)

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 <safinaskar@zohomail.com>
Link: https://lore.kernel.org/linux-i2c/197ae95ffd8.dc819e60457077.7692120488609091556@zohomail.com/
Cc: <stable@vger.kernel.org>
Tested-by: Askar Safin <safinaskar@gmail.com>
Signed-off-by: Askar Safin <safinaskar@gmail.com>
---
 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


             reply	other threads:[~2025-12-05 23:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-05 22:32 Askar Safin [this message]
2025-12-06 10:46 ` [PATCH] gpiolib: acpi: Add quirk for Dell Precision 7780 Bartosz Golaszewski
2025-12-06 16:02 ` Andy Shevchenko

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