[PATCH 0/3] Add 'hid-valve-index' reset driver

The Valve Index has a problem that when the DP link is torn down
(such as a power state transition) the device stops responding to EDID
requests the next time it goes up.  Either manually resetting the device
or hotplugging it brings it back to normal behavior.

Introduce a driver that during a power state transition will reset the
device.  This helps most cases, but if the system crashes the device
can still be in a bad state.  So also export a sysfs file that userspace
could potentially use to trigger a reset on demand while in this circumstance.
Curtis Vogt (1):
  USB: quirks: Ignore remote wakeup from the Valve Index breakout box
    hub

Mario Limonciello (2):
  HID: Add shutdown callback for device drivers
  HID: valve-index: Reboot headset on system power transitions

 .../ABI/testing/sysfs-driver-hid-valve-index  |  12 ++
 drivers/hid/Kconfig                           |  11 ++
 drivers/hid/Makefile                          |   1 +
 drivers/hid/hid-core.c                        |  13 ++
 drivers/hid/hid-ids.h                         |   1 +
 drivers/hid/hid-valve-index.c                 | 142 ++++++++++++++++++
 drivers/usb/core/quirks.c                     |   4 +
 include/linux/hid.h                           |   2 +
 8 files changed, 186 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-hid-valve-index
 create mode 100644 drivers/hid/hid-valve-index.c

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2.43.0