linux-kernel - Re: Re: Re: Re: [PATCH 07/17] ASoC: twl6040: Lower the initial gains

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <25343507.X6coeDXaUn@barack>
Date:	Wed, 21 Sep 2011 16:03:49 +0300
From:	Péter Ujfalusi <peter.ujfalusi@...com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Samuel Ortiz <samuel.ortiz@...el.com>,
	Dmitry Torokhov <dtor@...l.ru>, Liam Girdwood <lrg@...com>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	Misael Lopez Cruz <misael.lopez@...com>
Subject: Re: Re: Re: Re: [PATCH 07/17] ASoC: twl6040: Lower the initial gains

On Wednesday 21 September 2011 13:39:31 Mark Brown wrote:
> The key problem here is that you sent a change saying "change the
> default volume" with no other context in either the changelog or the
> code.  If you've got code that's actively managing the volume register
> while presenting a nice view to the application layer so that the
> register value isn't directly seen in the way it is for standard ASoC
> controls that's a very different thing to standard code.  I'm not going
> to remember the details of everything in every CODEC driver.
> 
> > We do have other scenarios covered, but this initialization was missing.
> > This resulted that the _first_ playback has pop noise, but all
> > subsequent playbacks were fine, since we had the runtime fix for this.
> 
> So what you're doing here is really a bug fix for the ramping code.

I will update the commit message, and I'll also put a comment to the code to 
explain it clearly.

--
Péter
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/