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Date:   Sun, 3 May 2020 13:14:49 +0200
From:   Pali =?utf-8?B?Um9ow6Fy?= <pali@kernel.org>
To:     linux-bluetooth@vger.kernel.org
Cc:     Pasi =?utf-8?B?S8Okcmtrw6RpbmVu?= <pasik@iki.fi>,
        Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Subject: Re: [PATCH] tools/hcidump: Decode FastStream, aptX Low Latency, aptX
 HD and LDAC
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On Wednesday 15 April 2020 01:00:15 Pali Rohár wrote:
> On Sunday 09 February 2020 14:05:32 Pali Rohár wrote:
> > On Monday 14 October 2019 13:07:46 Pali Rohár wrote:
> > > On Friday 07 June 2019 15:07:39 Pali Rohár wrote:
> > > > On Wednesday 10 April 2019 10:29:24 Pali Rohár wrote:
> > > > > On Tuesday 05 March 2019 13:26:30 Pali Rohár wrote:
> > > > > > On Sunday 24 February 2019 15:19:07 Pasi Kärkkäinen wrote:
> > > > > > > On Wed, Feb 06, 2019 at 12:43:00PM +0100, Pali Rohár wrote:
> > > > > > > > On Friday 01 February 2019 14:43:53 Pasi Kärkkäinen wrote:
> > > > > > > > > Hi,
> > > > > > > > > 
> > > > > > > > > On Wed, Jan 30, 2019 at 02:24:11PM +0200, Luiz Augusto von Dentz wrote:
> > > > > > > > > > Hi Pali, Pasi,
> > > > > > > > > > On Wed, Jan 30, 2019 at 2:09 PM Pali Rohár <pali.rohar@gmail.com> wrote:
> > > > > > > > > > >
> > > > > > > > > > > On Wednesday 30 January 2019 10:15:17 Pasi Kärkkäinen wrote:
> > > > > > > > > > > > On Wed, Jan 23, 2019 at 06:54:48PM +0100, Pali Rohár wrote:
> > > > > > > > > > > > > On Wednesday 23 January 2019 18:46:18 Marcel Holtmann wrote:
> > > > > > > > > > > > > > Hi Pali,
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > ---
> > > > > > > > > > > > > > > tools/parser/avdtp.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++---
> > > > > > > > > > > > > > > 1 file changed, 55 insertions(+), 3 deletions(-)
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > diff --git a/tools/parser/avdtp.c b/tools/parser/avdtp.c
> > > > > > > > > > > > > > > index 18569c895..a21410f5a 100644
> > > > > > > > > > > > > > > --- a/tools/parser/avdtp.c
> > > > > > > > > > > > > > > +++ b/tools/parser/avdtp.c
> > > > > > > > > > > > > > > @@ -155,6 +155,12 @@ static char *vndcodec2str(uint32_t vendor, uint16_t vndcodec)
> > > > > > > > > > > > > > > {
> > > > > > > > > > > > > > >         if (vendor == 0x0000004f && vndcodec == 0x0001)
> > > > > > > > > > > > > > >                 return "aptX";
> > > > > > > > > > > > > > > +       else if (vendor == 0x0000000a && vndcodec == 0x0001)
> > > > > > > > > > > > > > > +               return "FastStream";
> > > > > > > > > > > > > > > +       else if (vendor == 0x0000000a && vndcodec == 0x0002)
> > > > > > > > > > > > > > > +               return "aptX Low Latency";
> > > > > > > > > > > > > > > +       else if (vendor == 0x000000d7 && vndcodec == 0x0024)
> > > > > > > > > > > > > > > +               return "aptX HD";
> > > > > > > > > > > > > > >         else if (vendor == 0x0000012d && vndcodec == 0x00aa)
> > > > > > > > > > > > > > >                 return "LDAC";
> > > > > > > > > > > > > > >         return "Unknown???;
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > lets keep the focus on btmon support since nobody should be using hcidump anymore.
> > > > > > > > > > > > >
> > > > > > > > > > > > > In btmon I already implemented it and patches are now merged. I just
> > > > > > > > > > > > > found another place where this capability parsing is implemented and
> > > > > > > > > > > > > based on fact that users still use hcidump I quickly looked at it and
> > > > > > > > > > > > > implemented this parsing.
> > > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > > I agree, hcidump still comes up on many places (guides, blogs, mailinglist posts, etc),
> > > > > > > > > > > > so it makes sense to add these patches to hcidump aswell. Especially when the patch is quite small.
> > > > > > > > > > >
> > > > > > > > > > > Exactly, people still use hcidump...
> > > > > > > > > > 
> > > > > > > > > > Well it is a deprecated tool which we might remove starting on BlueZ
> > > > > > > > > > 6.x which we would like to do in the very next release, if that
> > > > > > > > > > doesn't happen than perhaps Id take these patches in for a very last
> > > > > > > > > > BlueZ 5.x release.
> > > > > > > > > > 
> > > > > > > > > > @Marcel: Or you have a better plan? We could do one last 5.x and then
> > > > > > > > > > start working on removing the deprecated tools/etc.
> > > > > > > > > > 
> > > > > > > > > 
> > > > > > > > > +1 for doing one last 5.x release before deprecating and removing tools etc!
> > > > > > > > 
> > > > > > > > Ok, what is the plan? If hcidump is not going to be deleted in upcoming
> > > > > > > > release, can you take this patch?
> > > > > > > >
> > > > > > > 
> > > > > > > How about applying this patch now, considering it's small, and has value for anyone using hcidump.
> > > > > > > hcidump then gets removed later whenever the removal of deprecated features/tools starts.
> > > > > > 
> > > > > > So... what are plans for next release?
> > > > > 
> > > > > Marcel, Luiz, can you comment next steps? It is waiting there for your
> > > > > info here for more than 2 months.
> > > > 
> > > > PING!
> > > 
> > > Just a gentle reminder for this thread and patch.
> > > 
> > 
> > Ping, another reminder.
> 
> Ping, could you please give us information what is the state of this
> tool and a linked patch?

Ping again, I have not got any reply for this patch for more then year.
Patch can be still cleanly applied on top of git master branch.