From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752191AbdATOL5 (ORCPT ); Fri, 20 Jan 2017 09:11:57 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:32860 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751977AbdATOLz (ORCPT ); Fri, 20 Jan 2017 09:11:55 -0500 Date: Fri, 20 Jan 2017 15:04:04 +0100 From: Pali =?utf-8?B?Um9ow6Fy?= To: Pavel Machek Cc: Jarkko Nikula , Peter Ujfalusi , sre@kernel.org, kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org, aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com, patrikbachan@gmail.com, serge@hallyn.com, abcloriens@gmail.com, alsa-devel@alsa-project.org, helen.koike@collabora.co.uk, lars@metafoo.de, broonie@kernel.org Subject: Re: Nokia N900: microphone mixers Message-ID: <20170120140404.GG32502@pali> References: <201701121934.19810@pali> <20170114225614.GA25321@amd> <201701150100.54214@pali> <20170115100533.GA15816@amd> <40dbce4e-d99d-d77d-e682-5b004c70ca40@bitmer.com> <20170120133159.GA5241@amd> <20170120133830.GF32502@pali> <20170120140047.GB5241@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20170120140047.GB5241@amd> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 20 January 2017 15:00:47 Pavel Machek wrote: > On Fri 2017-01-20 14:38:30, Pali Rohár wrote: > > On Friday 20 January 2017 14:31:59 Pavel Machek wrote: > > > Hi! > > > > > > Do you have any idea how to control the microphone? I'd like the audio > > > source to be microphone on headset (not the built in one). So I run > > > alsamixer, set everything in "capture" section to zero... and I still > > > get the audio from the internal microphone :-(. > > > > > > Tested with arecord | aplay. > > > > > > Any ideas? > > > > Hi! Try to set Jack Function to Headset or enable b HS Mic. > > I can't find "b HS Mic" function. I can set "Input Select" to "ADC", > and ten internal microphone is off, but I can't get any audio on > input. I tried with "Jack function" both "headset" and "headphone". > > Do I need to enable microphone bias voltage somewhere? When you set Jack function to headset it automatically enable HS Mic control which controls mic bias. If Jack function in headset mode does not work, then there is bug. Try older versions of kernel... -- Pali Rohár pali.rohar@gmail.com