On Mon, 19 Oct 2020, Hans de Goede wrote: > The usb-hid keyboard-dock for the Acer Switch 10 SW5-012 model declares > an application and hid-usage page of 0x0088 for the INPUT(4) report which > it sends. This reports contains 2 8-bit fields which are declared as > HID_MAIN_ITEM_VARIABLE. > > The keyboard-touchpad combo never actually generates this report, except > when the touchpad is toggled on/off with the Fn + F7 hotkey combo. The > toggle on/off is handled inside the keyboard-dock, when the touchpad is > toggled off it simply stops sending events. > > When the touchpad is toggled on/off an INPUT(4) report is generated with > the first content byte set to 120/121, before this commit the kernel > would report this as ABS_MISC 120/121 events. > > Patch the descriptor to replace the HID_MAIN_ITEM_VARIABLE with > HID_MAIN_ITEM_RELATIVE (because no key-presss release events are send) > and add mappings for the 0x00880078 and 0x00880079 usages to generate > touchpad on/off key events when the touchpad is toggled on/off. > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Applied, thanks. -- Jiri Kosina SUSE Labs
