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Subject: Re: [PATCH] HID: sony: disable descriptor fixup for FutureMax Dance
 Mat
To: Antonio Ospite <ao2@ao2.it>,
        Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Cc: jikos@kernel.org, linux-input@vger.kernel.org,
        linux-kernel@vger.kernel.org, Mikko Perttunen <mperttunen@nvidia.com>
From: Mikko Perttunen <mikko.perttunen@kapsi.fi>
Message-ID: <cd3e71a8-055b-3aa3-076e-cf96b9835232@kapsi.fi>
Date: Mon, 25 Jul 2016 18:25:03 +0300
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On 07/25/16 18:23, Mikko Perttunen wrote:
> On 07/25/16 14:05, Antonio Ospite wrote:
>> You can also find out the length of the raw output report with trial and
>> error, start with a line like this:
>>
>> $ sudo hexdump -v -e '49/1 "%02x " "\n"' /dev/hidraw0
>>
>> and increase/decrease the value (49 works with original controllers)
>> until you see a regular pattern when comparing lines.
>>
>
> /dev/hidraw0 seems to be all zeroes straight from the beginning

Actually, pressing some buttons on the pad, it seems that the report 
length is two bytes

>
>> Anyways this is just for curiosity, we are not going to spend too much
>> time on that... or are we? :)
>
> At least it's some reference information.. :)
>
>>
>> Thanks,
>>    Antonio
>>
>
> Cheers,
> Mikko.
>