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Date: Mon, 26 Jun 2017 12:20:52 +0100
From: Mark Brown <broonie@kernel.org>
To: Pavel Machek <pavel@ucw.cz>
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Subject: Re: [Ksummit-discuss] [TECH TOPIC] mobile phones
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On Mon, Jun 26, 2017 at 10:34:07AM +0200, Pavel Machek wrote:

> > > 2) How to handle GSM audio?

> > What is the issue here?  Isn't GSM audio just another audio source/sink
> > which user-space can send where-ever it likes?

> It is somehow packetized, and has timestamps and gaps in it, I was
> told. That's why we use /dev/cmt_speech, not ALSA. Probably ALSA
> should be improved.

No, such systems can and do work absolutely fine with the existing
frameworks.  You just have non-upstream drivers that don't make any
effort to work within existing frameworks.  Most of the vendors came
round to doing the right thing on this some years ago.

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