On Wed, Oct 07, 2015 at 06:12:42PM -0700, Andrew Duggan wrote: > I can confirm that it is working on the Dell XPS 13 and the buttonpad > property is set correctly. However, I also tried it on an older non > production precision touchpad and it didn't work. It reports that it fails > to fetch feature 8 and then doesn't report any input. I'm concerned that > some of the early PTPs in some Dell and Acer systems might not work with > this change. I'll test this tomorrow on a few more systems to see if the > problem is isolated to just this one non production touchpad. Thanks for testing. > [ 2969.222125] usb 1-1: New USB device found, idVendor=06cb, idProduct=2393 > [ 2969.222128] usb 1-1: New USB device strings: Mfr=0, Product=2, > SerialNumber=0 > [ 2969.222130] usb 1-1: Product: Synaptics T Pad V 01.31 > [ 2974.223578] hid-multitouch 0003:06CB:2393.0008: failed to fetch feature 8 > [ 2979.226037] hid-multitouch 0003:06CB:2393.0008: failed to fetch feature 8 > [ 2979.226137] input: Synaptics T Pad V 01.31 UNKNOWN as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:06CB:2393.0008/input/input34 > [ 2979.226431] hid-multitouch 0003:06CB:2393.0008: input,hiddev0,hidraw2: > USB HID v1.11 Mouse [Synaptics T Pad V 01.31] on usb-0000:00:14.0-1/input0 Without the patch is it successfully retrieving feature 8? It may be that it has HID_QUIRK_NO_INIT_REPORTS set via quirks in usbhid which causes the driver to fetch the report in mt_feature_mapping() and previously it did not do that. -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
