5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Rahul Rameshbabu <sergeantsagara@xxxxxxxxxxxxxx> [ Upstream commit 1437e4547edf41689d7135faaca4222ef0081bc1 ] Register the Synaptics device as a special multitouch device with certain quirks that may improve usability of the touchpad device. Reported-by: Rain <rain@xxxxxxxxxxxxx> Closes: https://lore.kernel.org/linux-input/2bbb8e1d-1793-4df1-810f-cb0137341ff4@xxxxxxxxxxxxxxxx/ Signed-off-by: Rahul Rameshbabu <sergeantsagara@xxxxxxxxxxxxxx> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/hid/hid-multitouch.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 0893b31e6f102..590b25460456b 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -2081,6 +2081,10 @@ static const struct hid_device_id mt_devices[] = { USB_DEVICE_ID_MTP_STM)}, /* Synaptics devices */ + { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, + HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_SYNAPTICS, 0xcd7e) }, + { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, USB_VENDOR_ID_SYNAPTICS, 0xce08) }, -- 2.40.1
