linux-kernel - Re: [BUG] no sound on ppc mac mini

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <1157504924.2222.4.camel@localhost>
Date:	Tue, 05 Sep 2006 18:08:44 -0700
From:	john stultz <johnstul@...ibm.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Johannes Berg <johannes@...solutions.net>,
	lkml <linux-kernel@...r.kernel.org>, Takashi Iwai <tiwai@...e.de>
Subject: Re: [BUG] no sound on ppc mac mini

On Wed, 2006-09-06 at 10:50 +1000, Benjamin Herrenschmidt wrote:
> > However...  ;)
> > 
> > It seems the new device doesn't have any volume control. I know the old
> > toonie driver used some form of softvol support, but "it just worked",
> > where as now I have no control over my system's audio volume.
> 
> It's a userland problem :) Your alsa config needs to enable the softvol
> plugin for it.

Yea. I figured. :( I've played around a bit w/ the .asoundrc file to
re-enable softvol (A similar hack was needed originally after the toonie
driver went in), but so far I've been unsuccessful.

> > While not the most terrible of regressions, its a bit irritating (waking
> > to loud mail notifications, specifically :). Is this something that I
> > have to wait for an alsa userland update to fix, or is the new kernel
> > driver just not fully functional yet?
> 
> Part of the problem is that you can't anymore identify the type of codec
> based on the card name thus Alsa old mecanism of having a specific
> toonie config file that includes softvol doesn't work any more. The
> trick was bad in the first place though because you can have multiple
> different codecs anyway, so it didn't scale. (The old driver couldn't
> deal with it, but the new one can, though we haven't yet implemented
> support for any of the topaz digital codecs).
> 
> I remember a discussion with the Alsa folks where it was question to
> have Alsa userland automatically instanciate softvol if there is no
> volume provided by the driver, which is a better approach.
> 
> Takashi, was this ever implemented ? John, what is your Alsa userland
> version ?

1.0.10-4ubuntu4

thanks
-john

-
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/