From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 16D32970 for ; Mon, 26 Jun 2017 11:14:25 +0000 (UTC) Received: from atrey.karlin.mff.cuni.cz (atrey.karlin.mff.cuni.cz [195.113.26.193]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 9C4531D7 for ; Mon, 26 Jun 2017 11:14:24 +0000 (UTC) Date: Mon, 26 Jun 2017 13:14:22 +0200 From: Pavel Machek To: Mark Brown Message-ID: <20170626111422.GB11688@amd> References: <20170625104850.GA24717@amd> <20170626105451.tv4k7ib2g2kiknah@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="gj572EiMnwbLXET9" Content-Disposition: inline In-Reply-To: <20170626105451.tv4k7ib2g2kiknah@sirena.org.uk> Cc: ksummit-discuss@lists.linuxfoundation.org Subject: Re: [Ksummit-discuss] [TECH TOPIC] mobile phones List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --gj572EiMnwbLXET9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon 2017-06-26 11:54:51, Mark Brown wrote: > On Sun, Jun 25, 2017 at 12:48:50PM +0200, Pavel Machek wrote: >=20 > > 2) How to handle GSM audio? >=20 > 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 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --gj572EiMnwbLXET9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAllQ7I4ACgkQMOfwapXb+vJOgACgmblazZPr7Ve4Ny3VQILz0ZiV rhgAnRlHJBmlsHq19u/FctBA/Bkg7RIC =tQgV -----END PGP SIGNATURE----- --gj572EiMnwbLXET9--