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authorZoltan Tamas Vajda <zoltan.tamas.vajda@gmail.com>2021-06-03 21:58:14 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-08-21 16:16:15 +0300
commitfe695a2b469b0e71647b7761ac36289f7cdfc992 (patch)
tree5c67adf71154e2c471a98d0d0ea73926f49e192f /drivers
parent434c4aad53fd7be87f94c0a55cfde31a7f877ea6 (diff)
downloadlinux-fe695a2b469b0e71647b7761ac36289f7cdfc992.tar.xz
HID: hid-input: add Surface Go battery quirk
[ Upstream commit b5539722eb832441f309642fe5102cc3536f92b8 ] The Elantech touchscreen/digitizer in the Surface Go mistakenly reports having a battery. This results in a low battery message every time you try to use the pen. This patch adds a quirk to ignore the non-existent battery and gets rid of the false low battery messages. Signed-off-by: Zoltan Tamas Vajda <zoltan.tamas.vajda@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/hid/hid-ids.h1
-rw-r--r--drivers/hid/hid-input.c2
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index cf69191b6693..bb096dfb7b36 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -391,6 +391,7 @@
#define USB_DEVICE_ID_HP_X2_10_COVER 0x0755
#define I2C_DEVICE_ID_HP_SPECTRE_X360_15 0x2817
#define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN 0x2706
+#define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN 0x261A
#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 329b7ffb7e6a..75a4d8d6bb0f 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -326,6 +326,8 @@ static const struct hid_device_id hid_battery_quirks[] = {
HID_BATTERY_QUIRK_IGNORE },
{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_SPECTRE_X360_15),
HID_BATTERY_QUIRK_IGNORE },
+ { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN),
+ HID_BATTERY_QUIRK_IGNORE },
{}
};