Kernel device driver activates either touchpad or keyboard but not both

[tsopdump tsopdump]

I went ahead and allocated a new device entry for the touchpad and
everything is working OK now.

On Thu, Jan 26, 2017 at 12:15 PM, tsopdump tsopdump <tsopdump at gmail.com>
wrote:

> Hi,
>
> I have a Bluetooth Sony MSG-MR5U remote that has a full keyboard and a
> touchpad.  The keyboard works fine in Linux but the touchpad isn't
> recognized.
>
> I've edited the hid-sony module to enable the touchpad but I've run into a
> problem where the keyboard stops working when I enable the touchpad.  More
> specifically, if I call input_mt_init_slots with the INPUT_MT_POINTER flag,
> the touchpad works but the keyboard stops working.  If I don't pass this
> flag, the keyboard works but the touchpad doesn't.
>
> Only one device entry is created and after passing INPUT_MT_POINTER to
> input_mt_init_slots, /proc/bus/input/devices shows
>
> I: Bus=0005 Vendor=0609 Product=0368 Version=0111
> N: Name="SONY NSG-MR5-U"
> P: Phys=00:1a:7d:da:71:0a
> S: Sysfs=/devices/pci0000:00/0000:00:0b.0/usb2/2-5/2-5:1.0/
> bluetooth/hci0/hci0:70/0005:0609:0368.0007/input/input12
> U: Uniq=00:01:90:d2:1b:7b
> H: Handlers=sysrq kbd mouse1 event7
> B: PROP=5
> B: EV=10001f
> B: KEY=3007f 0 0 483ffff17aff32d bf54444600002420 10001 1130f938b17c007
> ffff7bfad9415fff febeffdfffefffff fffffffffffffffe
> B: REL=40
> B: ABS=2738f0100000003
> B: MSC=10
>
> Do I have to allocate a new device entry using input_allocate_device so
> the touchpad is using a separate device from the keyboard or is there a way
> to activate both the touchpad and the keyboard using a single device?
>
> BTW, I'm working with the 4.10.0-rc3+ kernel.
>
> Thanks,
> Todd
>
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