From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758205Ab3AJAEr (ORCPT ); Wed, 9 Jan 2013 19:04:47 -0500 Received: from scrye.com ([75.148.32.185]:36135 "EHLO mail.scrye.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758148Ab3AJAEq (ORCPT ); Wed, 9 Jan 2013 19:04:46 -0500 X-Greylist: delayed 395 seconds by postgrey-1.27 at vger.kernel.org; Wed, 09 Jan 2013 19:04:46 EST Date: Wed, 9 Jan 2013 16:58:07 -0700 From: Kevin Fenzi To: Takashi Iwai Cc: linux-kernel@vger.kernel.org Subject: Re: ALSA: Conexant CX20585 (thinkpad t510) speaker powersave regression Message-ID: <20130109165807.11a07af0@jelerak.scrye.com> In-Reply-To: References: <20121222142324.73586307@jelerak.scrye.com> Organization: Scrye, INC X-Mailer: Claws Mail 3.9.0 (GTK+ 2.24.13; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/lVz734TR50=k5IpX25wU2gy"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/lVz734TR50=k5IpX25wU2gy Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 08 Jan 2013 16:26:38 +0100 Takashi Iwai wrote: > It's a known problem that some people have already reported, but > currently no clue who actually turns down the pin to D3. > Conexant guys wrote me that the codec doesn't do it by itself, and the > driver neither, AFAIK. A possible answer is the firmware / BIOS, but > who knows. Thanks for the answer! :)=20 > In anyway, could you try to trace the hd-audio events and see whether > the power down is *not* issued by the driver when you see this state? > See Documentation/sound/alsa/HD-Audio.txt, the section "Tracepoints" > for a brief instruction. I can give it a try...=20 kevin --Sig_/lVz734TR50=k5IpX25wU2gy Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIcBAEBAgAGBQJQ7gQPAAoJEEs3sNgP+7teiKQQAMWdJjzfYV3Jj0HvPYJufzN6 9pBeDqdR8SwK5Q0DP39eq0tuygC6GeWJx+jMl3REcjX6/SmUr0Qm662WAsjXnrTh L6GhibS/Dtn2cU2LBDp+5w6jRivabvjHJSM9HY2AvT6ah4C1tEJ6PQcZRVVDsHZ2 M5PKvoHElJI7GcFWm+7MXIziIbByc/Oi6CQCMT/EGhQhFTbNV7hT9X5AHV1gLOVf w2nvQbWlDAVgAotAs7FTIWycz+eZ+hgiTXVXiYiuWsqixS8TKxujtjzEaPxaXzRL wbRoOr4/7igLCydDplOOVm+LCbri7M9Cr1IBHBdmYtprQGdMkgUFCcQvGBhZSHh9 jGFVJyRJDMhFmItcLxGBSzHGn6ztgRcVBttl62PMfcbcdO9seATz99cOLRv9mnyv QY4+1kAPfaWC9i6qwe9OhTOZiLtr1toenHN4YEYH/M+FzgPlgFOy0b5bKjvLr1mQ NsZY2QKY4RpFGWgADdQVhEP4+4ovDKYesopX3zTz7YCdA0dBjJwYZ8e1dGkagcZi XabQ/Rleoz/6nlqMkv3HYex9v0/9k/17XYHexHDBWQB3p2azjzFoU0/MHoUk2qNE Ov8t7mB+YKREmRrLwl2goMKvDw7SaewcTHeNgDyx/fnlJ2Ws8kdqJhbq+ex+tlaz MZf/3513q+E3Z7qzPQ8c =jFg/ -----END PGP SIGNATURE----- --Sig_/lVz734TR50=k5IpX25wU2gy--