]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
gpiolib: acpi: Add quirk for Dell Precision 7780
authorAskar Safin <safinaskar@gmail.com>
Wed, 31 Dec 2025 14:32:18 +0000 (09:32 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 8 Jan 2026 09:15:00 +0000 (10:15 +0100)
[ Upstream commit 2d967310c49ed93ac11cef408a55ddf15c3dd52e ]

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")
Link: https://lore.kernel.org/linux-i2c/197ae95ffd8.dc819e60457077.7692120488609091556@zohomail.com/
Cc: stable@vger.kernel.org
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Askar Safin <safinaskar@gmail.com>
Link: https://lore.kernel.org/r/20251206180414.3183334-2-safinaskar@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpio/gpiolib-acpi-quirks.c

index bfb04e67c4bc87e66228055bac303d9921323386..2c20bda54a6d8f2ccaeb93ec36a29abe5674185b 100644 (file)
@@ -358,6 +358,28 @@ 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 */
 };