From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Mon, 11 Jun 2018 14:01:58 +0200 Subject: handling voice calls in ALSA soc (on Droid 4) In-Reply-To: <20180611111011.GA11580@sirena.org.uk> References: <20180611102529.GA1272@amd> <20180611111011.GA11580@sirena.org.uk> Message-ID: <20180611120158.GA21745@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon 2018-06-11 12:10:11, Mark Brown wrote: > On Mon, Jun 11, 2018 at 12:25:30PM +0200, Pavel Machek wrote: > > > ...and also. What is right interface for this? Mixer component that > > says if voice call is active or not? > > Your modem should be represented as a component in the system and have > an input and an output representing the input and output on the cell > network. See speyside for an example of how this can look in software > though there's a bunch of different ways modems can appear so you might > not have a fully digital link like that. Thanks for the pointer. With setup like that, how does userland tell kernel that the baseband <-> microphone/speaker connection should be activated? Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: Digital signature URL: