From: Roderick Colenbrander <roderick.colenbrander@xxxxxxxx>
I would like to share various updates to the DS4 driver. The first
4 patches are bug fixes and improvements discussed in various
discussions on linux-input:
- Fix issue when mixing USB and Bluetooth due to failure behind
the scens in sony_input_configured. Benjamin suggested the
fix we added.
- The touchpad is a separate device to avoid touch influencing
the analog sticks, which happened due to use of input_mt_sync.
- The DS4 code now complies to the Linux game controller spec.
We work with SDL2, the biggest DS4 user, to make sure it can
handle the different mappings. If desired we could make the DS3
comply as well and make similar changes.
- Make DS4 motion sensors a separate device, so applications
don't have to use 'non-existing' axes. Updated the event code
specs to allow gyroscope data when INPUT_PROP_ACCELEROMETER is
set as suggested by Peter Hutterer.
The next 2 patches add the unique ID to the USB device and add
support for a new DS4 device.
The last 2 patches add calibration and timestamp to the motion
sensors, which finally makes the motion sensors usable.
As part of the changes we started to wonder if we should drop
HID report fixups altogether for the DS4. It is used right now
to have the hid-core layer be able to handle events for the
'misbehaving' report ID 17. I'm aware though of various cross
platform libraries parsing DS4 HID reports, which are seeing
inconsistent views per OS. Not sure what we should do, we could
change this in a future patch. We would need to manually report
buttons / axes when on Bluetooth for report ID 17.
Thanks,
Roderick
Roderick Colenbrander (8):
HID: sony: Fix memory issue when connecting device using both
Bluetooth and USB
HID: sony: Make the DS4 touchpad a separate device
HID: sony: Comply to Linux gamepad spec for DS4
HID: sony: Report DS4 motion sensors through a separate device
HID: sony: Use DS4 MAC address as unique identifier on USB
HID: sony: Support DS4 dongle
HID: sony: Calibrate DS4 motion sensors
HID: sony: Report hardware timestamp for DS4 sensor values
Documentation/input/event-codes.txt | 5 +-
drivers/hid/hid-core.c | 1 +
drivers/hid/hid-ids.h | 1 +
drivers/hid/hid-sony.c | 790 +++++++++++++++++++++---------------
include/uapi/linux/input.h | 11 +-
5 files changed, 477 insertions(+), 331 deletions(-)
--
2.7.4
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