This is a note to let you know that I've just added the patch titled
HID: input: avoid polling stylus battery on Chromebook Pompom
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
hid-input-avoid-polling-stylus-battery-on-chromebook.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 55bba512fecdbe5d6073ed730f91c4b6539e390b
Author: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Date: Fri Feb 23 15:16:12 2024 -0800
HID: input: avoid polling stylus battery on Chromebook Pompom
[ Upstream commit 9a5b1521e2d0d7ace70c6e5eed073babcec91409 ]
Internal touchscreen on Trogdor Pompom (AKA Dynabook Chromebook C1)
supports USI stylus. Unfortunately the HID descriptor for the stylus
interface does not contain "Stylus" physical collection, which makes
the kernel to try and pull battery information, resulting in errors.
Apply HID_BATTERY_QUIRK_AVOID_QUERY to the device.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 72046039d1be7..0a4daff4846ff 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -427,6 +427,7 @@
#define I2C_DEVICE_ID_HP_SPECTRE_X360_14T_EA100_V1 0x2BED
#define I2C_DEVICE_ID_HP_SPECTRE_X360_14T_EA100_V2 0x2BEE
#define I2C_DEVICE_ID_HP_ENVY_X360_15_EU0556NG 0x2D02
+#define I2C_DEVICE_ID_CHROMEBOOK_TROGDOR_POMPOM 0x2F81
#define USB_VENDOR_ID_ELECOM 0x056e
#define USB_DEVICE_ID_ELECOM_BM084 0x0061
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index c8b20d44b1472..e03d300d2bac4 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -411,6 +411,8 @@ static const struct hid_device_id hid_battery_quirks[] = {
HID_BATTERY_QUIRK_IGNORE },
{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_ENVY_X360_15_EU0556NG),
HID_BATTERY_QUIRK_IGNORE },
+ { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_CHROMEBOOK_TROGDOR_POMPOM),
+ HID_BATTERY_QUIRK_AVOID_QUERY },
{}
};
