Re: [PATCH v2 2/4] ASoC: qcom: common: add Display port Jack function

[Srinivas Kandagatla]

On 30/05/2024 23:38, Dmitry Baryshkov wrote:
> > > It will always be DP out of the machine even if an adapter can convert
> > > to HDMI internally.
> > >
> > > The DRM ports are called "DP-1" and "DP-2" so it seems we should match
> > > that.
> > >
> > > > This is the most common naming for the USB-C DP/HDMI jack events.
> > > It looks like some Intel machines use names like "HDMI/DP, pcm=%d Jack"
> > > (with a pcm device number), but we also have "DP Jack". Not sure which
> > > are are used with USB-C, though. (Or if the former actually support HDMI
> > > altmode.)
> > I checked this on my machine which has usb-c and I can confirm using HDMI/DP
> > naming for these jack.
> >
> > Either way I don't mind having any names, but my point here is to be more
> > consistent across.
> I fear it is till not consistent. On the Intel laptop I see following
> jacks:
>
> numid=18,iface=CARD,name='HDMI/DP,pcm=3 Jack'
> numid=24,iface=CARD,name='HDMI/DP,pcm=7 Jack'
> numid=30,iface=CARD,name='HDMI/DP,pcm=8 Jack'
>
> On the other hand Mediatek and RockChip use just 'DP Jack'.
>
> I'd suggest settling on the latter option. We are closer to MTK and
> RockChip rather than Intel.
that is fine with me.

> BTW: a platform can easily have 4 (x1e8100) or even 8 (sc8280xp) DP
> outputs. Could you please point out why there are just 3 jacks?
The CRD platform that I have access to has 3 ports which is why I 
started with 3 ports, but we can add more ports as and when we can 
really test them.

--srini