linux-kernel - Re: [PATCH] Input: Add "Share" button to Microsoft Xbox One controller.

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Message-ID: <7f35325d-efa4-4546-bfc7-7d2532cc25e1@gmail.com>
Date:   Sat, 27 Feb 2021 19:34:12 -0600
From:   Cameron Gutman <aicommander@...il.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Chris Ye <lzye@...gle.com>
Cc:     Chris Ye <linzhao.ye@...il.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, trivial@...nel.org,
        kernel-team@...roid.com
Subject: Re: [PATCH] Input: Add "Share" button to Microsoft Xbox One
 controller.

On 2/25/21 12:26 AM, Dmitry Torokhov wrote:
> On Wed, Feb 24, 2021 at 08:44:37PM -0800, Chris Ye wrote:
>> Hi Dmitry,
>> The latest Xbox One X series has this button, I can add a new
>> XTYPE_XBOXONE_X and only apply the change to the new type.
> 
> Sounds good to me. Cameron, what do you think?
> 

I'm not sure if some wires got crossed, but I see v2 uses MAP_SHARE_BUTTON
rather than a new XTYPE. I'm fine with either.

>> The controller supports bluetooth and the HID usage for this button is
>> consumer 0xB2:
>> 0x05, 0x0C,        //   Usage Page (Consumer)
>> 0x0A, 0xB2, 0x00,  //   Usage (Record)
> 
> I see, thank you.
> 

Regards,
Cameron

>>
>> Thanks!
>> Chris
>>
>> On Wed, Feb 24, 2021 at 8:33 PM Dmitry Torokhov
>> <dmitry.torokhov@...il.com> wrote:
>>>
>>> Hi Chris,
>>>
>>> On Thu, Feb 25, 2021 at 04:00:32AM +0000, Chris Ye wrote:
>>>> Add "Share" button input capability and input event mapping for
>>>> Microsoft Xbox One controller.
>>>> Fixed Microsoft Xbox One controller share button not working under USB
>>>> connection.
>>>>
>>>> Signed-off-by: Chris Ye <lzye@...gle.com>
>>>> ---
>>>>  drivers/input/joystick/xpad.c | 16 ++++++++++++++--
>>>>  1 file changed, 14 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
>>>> index 9f0d07dcbf06..08c3e93ccb2f 100644
>>>> --- a/drivers/input/joystick/xpad.c
>>>> +++ b/drivers/input/joystick/xpad.c
>>>> @@ -368,6 +368,14 @@ static const signed short xpad360_btn[] = {  /* buttons for x360 controller */
>>>>       -1
>>>>  };
>>>>
>>>> +static const signed short xpad_xboxone_btn[] = {
>>>> +     /* buttons for xbox one controller */
>>>> +     BTN_TL, BTN_TR,         /* Button LB/RB */
>>>> +     BTN_MODE,               /* The big X button */
>>>> +     KEY_RECORD,             /* The share button */
>>>
>>> If I understand this correctly, not all Xbox One controllers have this
>>> new key. Is it possible to determine if it is present and only set
>>> capability for controllers that actually have it?
>>>
>>> Also, I am unsure if KEY_RECORD is the best keycode for this. It might,
>>> but does your controller supports bluetooth? What HID usage code does it
>>> send for this key?
>>>
>>> Thanks.
>>>
>>> --
>>> Dmitry
>