[alsa-devel] Audio miniconference at LPC/KS confirmed-

[Takashi Sakamoto]

On Oct 23 2016 08:30, Mark Brown wrote:
> On Sat, Oct 22, 2016 at 08:42:15AM +0900, Takashi Sakamoto wrote:
> 
>> 1. Add tracepoints to pcm parameter processing in ALSA PCM core
>> In my memory of our previous mini audio conference, some issuers are
>> addressed about pcm parameters. This is my WIP related to it. The aim is
>> to monitor changes of pcm parameter refinement processing just after
>> calling ioctl(HW_REFINE/HW_PARAMS). See my working branch:
>> https://github.com/takaswie/sound/tree/trace-rules
> 
> Do we need to discuss this face to face - are there concerns people have
> about adding tracepoints or something?  I think it's a good idea to do
> the tracepoints, I'm just wondering if we're going to have much of a
> discussion or if it'd be a very brief thing.

A disadvantage we have; to enlarge binary size of snd-pcm.ko. Anyway,
I'll propose it on this mailing list, later.

>> 3. Dropping dice driver from ALSA firewire stack
>> A fatal quirk apperard that the most of TCAT ASIC called as 'DICE'
>> breaks the least significant protocol as a sound device[1][2]. The
>> chipsets don't transfer PCM frames as the same as current sampling
>> frequency (it's sampling transfer frequency in IEC 61883-6 word).
>> This is my suggestion to drop dice driver from ALSA firewire stack.
> 
> I guess this is something that is mainly going to be discussed by a few
> people?

Yep.


Regards

Takashi Sakamoto