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[ Upstream commitaa4daea418] HID_DG_PEN devices should have a suffix of "Stylus", as pointed out by commitc0ee1d5716("HID: hid-input: Add suffix also for HID_DG_PEN"). However, on multitouch devices, these suffixes may be overridden. Before that commit, HID_DG_PEN devices would get the "Stylus" suffix, but after that, multitouch would override them to have an "UNKNOWN" suffix. Just add HID_DG_PEN to the list of non-overriden suffixes in multitouch. Before this fix: [ 0.470981] input: ELAN9008:00 04F3:2E14 UNKNOWN as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-16/i2c-ELAN9008:00/0018:04F3:2E14.0001/input/input8 ELAN9008:00 04F3:2E14 UNKNOWN After this fix: [ 0.474332] input: ELAN9008:00 04F3:2E14 Stylus as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-16/i2c-ELAN9008:00/0018:04F3:2E14.0001/input/input8 ELAN9008:00 04F3:2E14 Stylus Fixes:c0ee1d5716("HID: hid-input: Add suffix also for HID_DG_PEN") Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@igalia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.com> Signed-off-by: Sasha Levin <sashal@kernel.org>