From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Ranostay Subject: Re: [PATCH0/2] jack: Add support for SND_JACK_LINEOUT Date: Tue, 21 Oct 2008 15:42:19 -0400 Message-ID: <48FE309B.5070003@embeddedalley.com> References: <48FCFAA8.8070005@embeddedalley.com> <20081021084806.GC10841@sirena.org.uk> <48FDF318.8050502@embeddedalley.com> <20081021193626.GA6900@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from easi.embeddedalley.com (easi.embeddedalley.com [71.6.201.124]) by alsa0.perex.cz (Postfix) with SMTP id 1ED3E243AC for ; Tue, 21 Oct 2008 21:42:52 +0200 (CEST) In-Reply-To: <20081021193626.GA6900@sirena.org.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Matthew Ranostay , Takashi Iwai , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Mark Brown wrote: > On Tue, Oct 21, 2008 at 11:19:52AM -0400, Matthew Ranostay wrote: >> Mark Brown wrote: > >>> or a microphone then there's no need for it - HEADSET is only provided >>> to make it more obvious how to implement one since people often don't >>> think of a headset as being its components. > >> Actaully it's for the jack that has a mixer switch, in which the headphone >> support turned off and becoming a line out. I can understand not adding this, >> since only one codec patchset will probably use it. > > What do you mean by a "mixer switch"? Do you just mean a software > control that can select between line and headphone signals? Yeah, when it's a line out it doesn't mute the other lineouts. Is the > hardware able to determine which kind of device is connected to the > jack? > Yes with the AC_VERB_GET_PIN_WIDGET_CONTROL verb being read when reporting the jack status. -Matt