From 0f09e89e667ee71e6d7c9b124555aeb7f1fbfc16 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 23 Feb 2024 15:16:12 -0800 Subject: [PATCH] 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 Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- drivers/hid/hid-ids.h | 1 + drivers/hid/hid-input.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 72046039d1be..0a4daff4846f 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 c8b20d44b147..e03d300d2bac 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 }, {} };