linux-kernel - Re: atomisp current issues

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Message-ID: <CAHp75VehnnD7VPYCH0YaB43_UvWL=FzfgDkYJ3PhgrK8PhQKtQ@mail.gmail.com>
Date:   Wed, 3 Nov 2021 16:34:39 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Linux Media Mailing List <linux-media@...r.kernel.org>,
        Tsuchiya Yuto <kitakar@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Patrik Gfeller <patrik.gfeller@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Kaixu Xia <kaixuxia@...cent.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Yang Li <abaci-bugfix@...ux.alibaba.com>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        Alex Dewar <alex.dewar90@...il.com>,
        Aline Santana Cordeiro <alinesantanacordeiro@...il.com>,
        Arnd Bergmann <arnd@...db.de>, Alan <alan@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, linux-staging@...ts.linux.dev,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: atomisp current issues

On Wed, Nov 3, 2021 at 3:54 PM Mauro Carvalho Chehab
<mchehab+huawei@...nel.org> wrote:

...

> Currently, 10 video? devices are created:
>
>         $ for i in $(ls /dev/video*|sort -k2 -to -n); do echo -n $i:; v4l2-ctl -D -d $i|grep Name; done
>         /dev/video0:    Name             : ATOMISP ISP CAPTURE output
>         /dev/video1:    Name             : ATOMISP ISP VIEWFINDER output
>         /dev/video2:    Name             : ATOMISP ISP PREVIEW output
>         /dev/video3:    Name             : ATOMISP ISP VIDEO output
>         /dev/video4:    Name             : ATOMISP ISP ACC
>         /dev/video5:    Name             : ATOMISP ISP MEMORY input
>         /dev/video6:    Name             : ATOMISP ISP CAPTURE output
>         /dev/video7:    Name             : ATOMISP ISP VIEWFINDER output
>         /dev/video8:    Name             : ATOMISP ISP PREVIEW output
>         /dev/video9:    Name             : ATOMISP ISP VIDEO output
>         /dev/video10:   Name             : ATOMISP ISP ACC
>
> That seems to be written to satisfy some Android-based app, but we don't
> really need all of those.
>
> I'm thinking to comment out the part of the code which creates all of those,
> keeping just "ATOMISP ISP PREVIEW output", as I don't think we need all
> of those.

Are they using the same microprograms (named routines) in the firmware?

-- 
With Best Regards,
Andy Shevchenko