From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Tue, 6 Jan 2015 16:02:30 -0600 Subject: 3.19 on Nokia n900: audio quality awful In-Reply-To: <20150106215744.GC13902@amd> References: <20150106170433.GA5408@amd> <20150106172545.GK6502@saruman> <20150106175115.GA19487@amd> <20150106202857.GB32308@saruman> <20150106205000.GB13902@amd> <20150106205413.GF32308@saruman> <20150106215744.GC13902@amd> Message-ID: <20150106220230.GG32308@saruman> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Tue, Jan 06, 2015 at 10:57:44PM +0100, Pavel Machek wrote: > > > > > > > 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? > > > > why bring my employer into the discussion ? > > Because you are speaking of getting help for free, and I don't are you not getting help for free ? > remember getting any useful help from you; so I'd like to know who do how come ? I gave you a very helpful list of commands which will direct you at finding the root of the issue you found. > you speak for. for myself. > > > Thanks for your very valuable help. I know how to do a bisection, > > > thank you. > > > > then please do it. > > No, sorry, I don't think that would be reasonable use of my time at > this point. First steps are "confirm it happens on other N900 boards, > too", ruling out config issues at my part, and "try to get > verification from other development boards if they have same > problems", because most other boards are easier to work with. you don't want to do due diligence with a bug *you* found, then there's no way people can help you out. Sorry. Good luck -- balbi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: