Re: [media-workshop] V2: Agenda for the Edinburgh mini-summit

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On Sat, Oct 19, 2013 at 1:25 PM, Ricardo Ribalda Delgado
<ricardo.ribalda@xxxxxxxxx> wrote:
> Please find the multi selection api proposal attached.
>
> See you in Edinburgh.
>
>
> Thanks
>
> On Sat, Oct 19, 2013 at 2:17 AM, Bryan Wu <cooloney@xxxxxxxxx> wrote:
>> On Wed, Oct 16, 2013 at 5:12 PM, Andy Walls <awalls@xxxxxxxxxxxxxxxx> wrote:
>>> On Thu, 2013-10-17 at 08:36 +0900, Milo Kim wrote:
>>>
>>>> > That's current solution, we plan to unify this two API since those
>>>> > chip are basically LED.
>>>> >
>>>> >> On the other hands, LM3642 has an indicator mode with flash/torch.
>>>> >> Then, it will consist of 3 parts - MFD core, LED(indicator) and
>>>> >> V4L2(flash/torch).
>>>> >>
>>>> >
>>>> > So if one LED device driver can support that, we don't need these 3 parts.
>>>>
>>>> Let me clarify our discussion briefly.
>>>>
>>>> For the flash and torch, there are scattered user-space APIs.
>>>> We need to unify them.
>>>
>>> Sorry for the late input.
>>>
>>> There are also subject matter illuminators (is that the same as torch?).
>>> They may be LED or halogen incadescent bulbs that are integral to a
>>> device such as the QX5 microscope:
>>>
>>> http://git.linuxtv.org/media_tree.git/blob/HEAD:/drivers/media/usb/cpia2/cpia2_v4l.c#l1152
>>>
>>> The V4L2 user controls ioctl()'s are used to control those two lamps
>>> currently.  Their activation seemed like a switch the user would want to
>>> turn easily, via a GUI that contained other V4L2 device controls.
>>>
>>> Do these fit in anywhere into the unification?  Not that I'm advocating
>>> that. I just thought cases like this shouldn't be overlooked in deciding
>>> what to do.
>>>
>>> Regards,
>>> Andy
>>>
>>>> We are considering supporting V4L2 structures in the LED camera trigger.
>>>> Then, camera application controls the flash/torch via not the LED sysfs
>>>> but the V4L2 ioctl interface.
>>>> So, changing point is the ledtrig-camera.c. No chip driver changes at all.
>>>>
>>>> Is it correct?
>>>>
>>>> Best regards,
>>>> Milo
>>>
>>>
>>
>> Please find my proposal attached and probably my colleague Paul
>> Walmsley will show up for this media mini summit if he is available.
>>
>> Thanks,
>> -Bryan
>
>

Is the time and location of media mini-summit fixed? My colleague
might show up if it's not conflicted with ARM mini-summit.

Thanks,
-Bryan
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