On Sat, 2 Dec 2023, Mario Limonciello wrote: > Users have reported problems with recent Lenovo laptops that contain > an IDEA5002 I2C HID device. Reports include fans turning on and > running even at idle and spurious wakeups from suspend. > > Presumably in the Windows ecosystem there is an application that > uses the HID device. Maybe that puts it into a lower power state so > it doesn't cause spurious events. > > This device doesn't serve any functional purpose in Linux as nothing > interacts with it so blacklist it from being probed. This will > prevent the GPIO driver from setting up the GPIO and the spurious > interrupts and wake events will not occur. > > Cc: stable@xxxxxxxxxxxxxxx # 6.1 > Reported-and-tested-by: Marcus Aram <marcus+oss@xxxxxxx> > Reported-and-tested-by: Mark Herbert <mark.herbert42@xxxxxxxxx> > Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2812 > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> > --- > drivers/hid/i2c-hid/i2c-hid-acpi.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/hid/i2c-hid/i2c-hid-acpi.c b/drivers/hid/i2c-hid/i2c-hid-acpi.c > index ac918a9ea8d3..1b49243adb16 100644 > --- a/drivers/hid/i2c-hid/i2c-hid-acpi.c > +++ b/drivers/hid/i2c-hid/i2c-hid-acpi.c > @@ -40,6 +40,11 @@ static const struct acpi_device_id i2c_hid_acpi_blacklist[] = { > * ICN8505 controller, has a _CID of PNP0C50 but is not HID compatible. > */ > { "CHPN0001" }, > + /* > + * The IDEA5002 ACPI device causes high interrupt usage and spurious > + * wakeups from suspend. > + */ > + { "IDEA5002" }, Applied to hid.git#for-6.7/upstream-fixes. Thanks, -- Jiri Kosina SUSE Labs
