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charset="utf-8" Add class MT_CLS_EGALAX_P80H84 to describe eGalaxy P80H84 touchscreen. The eGalaxy P80H84 touchscreen reports 'HID_GROUP_MULTITOUCH_WIN_8' and this caused the generic 'MT_CLS_WIN_8' class to be detected. The new class does _not_ export all inputs, since doing so results in a visible mouse cursor when only the touchscreen is connected. The visible mouse cursor was exposed by c23e2043d5f7 ("HID: multitouch: do not filter mice nodes"). Before this change: -- >8 -- kernel: input: eGalax Inc. eGalaxTouch P80H84 2537 v00_T3 k4.10.139 as /dev= ices/platform/soc/2100000.bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1.4/1-1.4:1.= 0/0003:0EEF:C002.0001/input/input1 kernel: input: eGalax Inc. eGalaxTouch P80H84 2537 v00_T3 k4.10.139 UNKNOWN= as /devices/platform/soc/2100000.bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1.4/= 1-1.4:1.0/0003:0EEF:C002.0001/input/input3 kernel: hid-multitouch 0003:0EEF:C002.0001: input,hidraw0: USB HID v1.11 Po= inter [eGalax Inc. eGalaxTouch P80H84 2537 v00_T3 k4.10.139] on usb-ci_hdrc= .0-1.4/input0 -- >8 -- After this change: -- >8 -- kernel: input: eGalax Inc. eGalaxTouch P80H84 2537 v00_T3 k4.10.139 as /dev= ices/platform/soc/2100000.bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1.4/1-1.4:1.= 0/0003:0EEF:C002.0001/input/input1 kernel: hid-multitouch 0003:0EEF:C002.0001: input,hidraw0: USB HID v1.11 Po= inter [eGalax Inc. eGalaxTouch P80H84 2537 v00_T3 k4.10.139] on usb-ci_hdrc= .0-1.4/input0 -- >8 -- Fixes: f9e82295eec1 ("HID: multitouch: add eGalaxTouch P80H84 support") Signed-off-by: Ian Ray --- drivers/hid/hid-multitouch.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 7daa8f6d8187..8052b35bfd7d 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -233,6 +233,7 @@ static void mt_post_parse(struct mt_device *td, struct = mt_application *app); #define MT_CLS_SMART_TECH 0x0113 #define MT_CLS_APPLE_TOUCHBAR 0x0114 #define MT_CLS_YOGABOOK9I 0x0115 +#define MT_CLS_EGALAX_P80H84 0x0116 #define MT_CLS_SIS 0x0457 =20 #define MT_DEFAULT_MAXCONTACT 10 @@ -438,6 +439,11 @@ static const struct mt_class mt_classes[] =3D { MT_QUIRK_YOGABOOK9I, .export_all_inputs =3D true }, + { .name =3D MT_CLS_EGALAX_P80H84, + .quirks =3D MT_QUIRK_ALWAYS_VALID | + MT_QUIRK_IGNORE_DUPLICATES | + MT_QUIRK_CONTACT_CNT_ACCURATE, + }, { } }; =20 @@ -2215,8 +2221,9 @@ static const struct hid_device_id mt_devices[] =3D { { .driver_data =3D MT_CLS_EGALAX_SERIAL, MT_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C000) }, - { .driver_data =3D MT_CLS_EGALAX, - MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + { .driver_data =3D MT_CLS_EGALAX_P80H84, + HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) }, =20 /* Elan devices */ --=20 2.49.0