Re: [RFC PATCH 1/1] media: uvcvideo: Add no drop parameter for MJPEG_NO_EOF quirk

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On Tue, 17 Dec 2024 at 12:58, Ricardo Ribalda <ribalda@xxxxxxxxxxxx> wrote:
>
> Hi Issac
>
>
> On Tue, 17 Dec 2024 at 12:22, Isaac Scott <isaac.scott@xxxxxxxxxxxxxxxx> wrote:
> >
> > In use cases where a camera needs to use the UVC_QUIRK_MJPEG_NO_EOF,
> > erroneous frames that do not conform to MJPEG standards are correctly
> > being marked as erroneous. However, when using the camera in a product,
> > manufacturers usually want to enable the quirk in order to pass the
> > buffers into user space. To do this, they have to enable the uvc_no_drop
> > parameter. To avoid the extra steps to configure the kernel in such a
> > way, enable the no_drop parameter by default to comply with this use
> > case.
>
> I am not sure what you want to do with this patch.
>
> Why can't people simply set the quirk with
>
> modprobe uvcvideo quirks=0x20000

Sorry, I meant

modprobe uvcvideo nodrop=1

or

echo 1 > /sys/module/uvcvideo/parameters/nodrop

Regards!




--
Ricardo Ribalda




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