Re: [Bluez-devel] K600i and hidp

Re: [Bluez-devel] K600i and hidp

[Marcel Holtmann]

Hi Johannes,

> When I recently tried the remote control feature on my K600i, I noticed
> that it wouldn't work because the phone doesn't advertise proper
> capabilities. I put into my notes:
> 
> [...]
> Apparently the phone has a bug and doesn't describe its subclass
> properly, it seems to never send the bits 0x80 or 0x40 in it, while that
> is required. I had to patch the hidp_setup_input function in
> net/bluetooth/hidp/core.c (lines 546 and 562) to ignore the subclass
> bits.
> [...]
> 
> Can we have some sort of device quirk table here to ignore the subclass
> bits for certain devices?

you can use "hidd --subclass=<val> ..." for this.

> (Oh and another question is -- how about moving all this into the
> userspace daemon and using uinput?)

The overall goal is to merge the USB HID driver with the Bluetooth HID
and this is one reason why it is inside the kernel. The other is that we
need good latency for HID.

Regards

Marcel



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