From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?P=E9ter?= Ujfalusi Subject: Re: ALSA SoC TWL4030 driver Date: Tue, 16 Aug 2011 17:16:01 +0300 Message-ID: <5512338.Wi2WCLqT7N@barack> References: <5448984682E7954C9BFF27F747A9C6CA4EAEF5@dolphin.TIGRIS.local> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:58111 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752155Ab1HPOPs convert rfc822-to-8bit (ORCPT ); Tue, 16 Aug 2011 10:15:48 -0400 In-Reply-To: <5448984682E7954C9BFF27F747A9C6CA4EAEF5@dolphin.TIGRIS.local> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Maximilian Schwerin Cc: "linux-omap@vger.kernel.org" On Tuesday 16 August 2011 15:33:09 Maximilian Schwerin wrote: > Hi, >=20 > I'm currently working on a beagle board clone. >=20 > I've got some problems getting the micbias1 output on the TPS65950 to= work. > I can record audio coming from a line out or if I connect micbias1 to= an > extern 1.8V supply. >=20 > /sys/devices/platform/soc-audio/TWL4030/dapm_widget shows Mic Bias 1 = to be > off at all times. Is there something I have to do to enable this othe= r than > to start recording? Or could this be a bug in the driver? Does anyone= have > experience with the mic input of the TPS65950? In your machine driver you need to connect the corresponding mic bias, = like it=20 is done in for example for zoom2: /* Headset Mic: HSMIC with bias */ {"HSMIC", NULL, "Headset Mic Bias"}, {"Headset Mic Bias", NULL, "Headset Mic"}, Note: Beagle only have support for line-in, does your board have additi= onal=20 inputs jack (Headset?) --=20 P=E9ter -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html