On 14/08/18 10:55, Mauro Carvalho Chehab wrote:
> Em Tue, 14 Aug 2018 10:45:57 +0200
> Hans Verkuil escreveu:
>
>> On 13/08/18 13:07, Mauro Carvalho Chehab wrote:
>>> Em Sat, 4 Aug 2018 14:45:08 +0200
>>> Hans Verkuil escreveu:
>>>
If a driver needs to find/inspect the controls set in a
Em Tue, 14 Aug 2018 10:45:57 +0200
Hans Verkuil escreveu:
> On 13/08/18 13:07, Mauro Carvalho Chehab wrote:
> > Em Sat, 4 Aug 2018 14:45:08 +0200
> > Hans Verkuil escreveu:
> >
> >> If a driver needs to find/inspect the controls set in a request then
> >> it can use these functions.
> >>
> >
On 13/08/18 13:07, Mauro Carvalho Chehab wrote:
> Em Sat, 4 Aug 2018 14:45:08 +0200
> Hans Verkuil escreveu:
>
>> If a driver needs to find/inspect the controls set in a request then
>> it can use these functions.
>>
>> E.g. to check if a required control is set in a request use this in the
>> r
Em Sat, 4 Aug 2018 14:45:08 +0200
Hans Verkuil escreveu:
> If a driver needs to find/inspect the controls set in a request then
> it can use these functions.
>
> E.g. to check if a required control is set in a request use this in the
> req_validate() implementation:
>
> int res = -EINVAL
If a driver needs to find/inspect the controls set in a request then
it can use these functions.
E.g. to check if a required control is set in a request use this in the
req_validate() implementation:
int res = -EINVAL;
hdl = v4l2_ctrl_request_hdl_find(req, parent_hdl);
if
