On Wed, Dec 7, 2016 at 7:39 PM, Bastien Nocera <hadess@xxxxxxxxxx> wrote:
> On Tue, 2016-12-06 at 19:20 -0800, Cameron Gutman wrote:
>> Hi,
>>
>> > On Dec 6, 2016, at 4:25 PM, Roderick Colenbrander <roderick@gaikai.
>> > com> wrote:
>> >
>> > Hi,
>> >
>> > I looked a bit deeper and found EV_PWR, though it isn't clearly
>> > defined, but it is used in some places for purposes like this.
>> > Would
>> > this be an acceptable method?
>> >
>>
>> I am interested in this too. I recently implemented the ability to
>> turn off wireless Xbox 360 controllers in [0], but there is no way
>> to activate this functionality without suspending the whole system.
>> Some folks [1] have asked for this ability in other scenarios.
>>
>> [0]: Commit f712a5a05228058f6b74 ("Input: xpad - power off wireless
>> 360 controllers on suspend")
>> [1]: https://github.com/paroj/xpad/issues/52
>
> Ditto the PS3 BD remote driver, when moving to the kernel, lost its
> ability to suspend after X minutes, which drains the AA batteries
> inside it.
>
> In the original system, the remote would get disconnected after less
> than a couple of minutes, and reconnect as soon as you pressed a
> button, and make sure that button got sent to the device.
>
> Would be great if we could control this from user-space.
>From the sounds of it various others are interested in the ability to
trigger a device disconnect as well. Since I don't think any of us
have a good enough understanding of the HID / input frameworks, I'm
adding Benjamin and Jiri. Maybe they have some good ideas on how to
tackle this.
Thanks,
Roderick
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