From: Pavel Machek <pavel@ucw.cz>
To: Mark Brown <broonie@kernel.org>
Cc: ksummit-discuss@lists.linuxfoundation.org
Subject: Re: [Ksummit-discuss] [TECH TOPIC] mobile phones
Date: Mon, 26 Jun 2017 13:14:22 +0200 [thread overview]
Message-ID: <20170626111422.GB11688@amd> (raw)
In-Reply-To: <20170626105451.tv4k7ib2g2kiknah@sirena.org.uk>
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On Mon 2017-06-26 11:54:51, Mark Brown wrote:
> On Sun, Jun 25, 2017 at 12:48:50PM +0200, Pavel Machek wrote:
>
> > 2) How to handle GSM audio?
>
> Do you have some more specific concern? This already works basically
> fine upstream, we happily support off-SoC audio paths. The digital
> configuration could do with being more flexible but it works and people
> ship it. It would be awfully nice to have some control/visibility of
> the modem side but that's just a missing driver problem.
Well, I was told gsm audio is different, because it is packetized, has
additional timing info, and does not transmit silence.
So we have /dev/cmtspeech instead of second sound card.
Is there any GSM audio driver that actually uses sound framework
properly?
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2017-06-26 11:14 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-25 10:48 Pavel Machek
2017-06-25 23:55 ` NeilBrown
2017-06-26 6:43 ` Geert Uytterhoeven
2017-06-26 6:49 ` Tony Lindgren
2017-06-26 11:12 ` Pavel Machek
2017-06-26 11:49 ` Tony Lindgren
2017-06-26 13:14 ` Pavel Machek
2017-06-26 13:49 ` Tony Lindgren
2017-06-26 20:49 ` Pavel Machek
2017-06-27 7:18 ` Tony Lindgren
2017-06-27 12:14 ` Sebastian Reichel
2017-06-27 21:57 ` Pavel Machek
2017-06-28 16:01 ` Sebastian Reichel
2017-06-28 20:27 ` Pavel Machek
2017-07-02 12:03 ` Sebastian Reichel
2017-06-27 21:57 ` Pavel Machek
2017-06-26 8:34 ` Pavel Machek
2017-06-26 11:20 ` Mark Brown
2017-06-26 12:22 ` Pavel Machek
2017-06-27 11:40 ` Mark Brown
2017-06-28 18:37 ` Pavel Machek
2017-07-02 12:11 ` Sebastian Reichel
2017-06-26 22:23 ` Alexandre Belloni
2017-06-27 7:06 ` Pavel Machek
2017-06-27 12:39 ` Sebastian Reichel
2017-06-27 21:57 ` Pavel Machek
2017-06-28 16:45 ` Sebastian Reichel
2017-06-28 21:10 ` Pavel Machek
2017-07-02 11:28 ` Sebastian Reichel
2017-07-02 18:14 ` Pavel Machek
2017-06-26 10:54 ` Mark Brown
2017-06-26 11:14 ` Pavel Machek [this message]
2017-06-26 11:49 ` Mark Brown
2017-06-26 12:38 ` Pavel Machek
2017-06-26 16:34 ` Mark Brown
2017-06-27 11:41 ` Sebastian Reichel
2017-06-28 14:38 ` Linus Walleij
2017-06-28 15:58 ` Arnd Bergmann
2017-06-28 16:04 ` Laurent Pinchart
2017-06-28 16:25 ` Pavel Machek
2017-06-28 18:26 ` Mark Brown
2017-06-28 17:01 ` Pavel Machek
2017-06-28 19:03 ` Tony Lindgren
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