From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756635AbbAFUuF (ORCPT ); Tue, 6 Jan 2015 15:50:05 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:35937 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756001AbbAFUuC (ORCPT ); Tue, 6 Jan 2015 15:50:02 -0500 Date: Tue, 6 Jan 2015 21:50:00 +0100 From: Pavel Machek To: Felipe Balbi Cc: pali.rohar@gmail.com, sre@debian.org, sre@ring0.de, 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 Subject: Re: 3.19 on Nokia n900: audio quality awful Message-ID: <20150106205000.GB13902@amd> References: <20150106170433.GA5408@amd> <20150106172545.GK6502@saruman> <20150106175115.GA19487@amd> <20150106202857.GB32308@saruman> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150106202857.GB32308@saruman> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 2015-01-06 14:28:57, Felipe Balbi wrote: > On Tue, Jan 06, 2015 at 06:51:15PM +0100, Pavel Machek wrote: > > > > On Tue 2015-01-06 11:25:45, Felipe Balbi wrote: > > > On Tue, Jan 06, 2015 at 06:04:33PM +0100, Pavel Machek wrote: > > > > Hi! > > > > > > > > In 3.18, sound is nice and clear. > > > > > > > > In 3.19, sound is unusable. It produces nasty tone when it should be > > > > quiet, and there's at least as much noise as is sound. > > > > > > > > Unfortunately, list of mixers also changed (and there's cca 120 > > > > settings), but a) it does not work with the old list and b) nothing I > > > > could figure out did make the sound usable. Some setting resulted in > > > > even more noise. > > > > > > > > Any idea what could have caused it? > > > > > > $ git bisect start > > > $ git bisect good v3.18 > > > $ git bisect bad > > > > > > that'll help find what caused it. > > > > Telling someone to do hard and time consuming job that probably will > > not succeed, instead of actually providing help. Very very funny. > > you're getting code for free, you're getting help for free. Not many > people have N900s lying around. Running a bisection is just > politeness. Now you are speaking for yourself or for TI? Thanks for your very valuable help. I know how to do a bisection, thank you. Pavel PS: Unfortunately, N900 will not boot using nfsroot in 3.16+ at least, and boot from MMC card is broken and has been for quite some time. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html