Re: [PATCH v2 1/1] lib/vsprintf: Add support for printing V4L2 and DRM fourccs

[Andy Shevchenko]

On Mon, Apr 6, 2020 at 10:46 AM Mauro Carvalho Chehab
<mchehab+huawei@xxxxxxxxxx> wrote:
> Em Fri, 3 Apr 2020 21:32:42 +0300
> Andy Shevchenko <andy.shevchenko@xxxxxxxxx> escreveu:
> > On Fri, Apr 3, 2020 at 8:54 PM Joe Perches <joe@xxxxxxxxxxx> wrote:
> > > On Fri, 2020-04-03 at 19:32 +0200, Mauro Carvalho Chehab wrote:
> > > > Em Fri, 03 Apr 2020 09:56:42 -0700
> > > > Joe Perches <joe@xxxxxxxxxxx> escreveu:
> >
> > > It _might_ be useful to use a CONFIG_MEDIA_SUPPORT guard
> > > in lib/vsprintf for this.
> >
> > No need. FourCC, if Sakari makes it more generic, can be used for
> > other purposes, e.g. printing component names from the chips (not
> > related to media at all).
> >
>
> Hmm... not 100% sure about what you're meaning with "component names".

4cc is pretty much wide standard, media is just one of (famous) users of it.

As I emphasized the example I referring to has nothing to do with media.

Now, I have already two examples:
- component name inside hardware register (used by Synopsys DesignWare)
- CSRT table in ACPI uses this code for vendor ID.

-- 
With Best Regards,
Andy Shevchenko