This series adds support for the ASUS Vivobook Slate 13 OLED (T3304)
detachable keyboard. The keyboard is a USB device presenting two
interfaces: keyboard and touchpad. Basic functionality already works
with hid-generic and hid-multitouch, but Fn key chords including media
keys and LEDs do not work.

To add support, bind the keyboard interface to hid-asus. However, the
ASUS-specific report descriptors are on the touchpad interface, so fixup
the descriptor so that hid-asus knows about them. Media keys are also
sent via the touchpad interface, so add MT_CLS_ASUS to this device in
hid-multitouch.

Also included is a fix for a use-after-free in hid-input.c discovered
during development, but technically unrelated to the device.
("HID: input: delete hid_battery on disconnect")

James Ye (6):
  HID: input: delete hid_battery on disconnect
  HID: asus: check feature reports when determining is_vendor
  HID: asus: add support for T3304 detachable keyboard
  HID: multitouch: add support for ASUS T3304 media keys
  HID: asus: add microphone mute LED support for T3304
  leds: led-class: mark classdev as unregistering early

 drivers/hid/hid-asus.c       | 117 ++++++++++++++++++++++++++++++++---
 drivers/hid/hid-ids.h        |   1 +
 drivers/hid/hid-input.c      |   5 ++
 drivers/hid/hid-multitouch.c |  10 +++
 drivers/leds/led-class.c     |   4 +-
 5 files changed, 126 insertions(+), 11 deletions(-)

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2.54.0