linux-kernel - Re: [ 108/147] ALSA: hda - Fix internal mic for Lenovo Ideapad U300s

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Message-ID: <1351378708.21585.8.camel@deadeye.wl.decadent.org.uk>
Date:	Sat, 27 Oct 2012 23:58:28 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	David Henningsson <david.henningsson@...onical.com>,
	Takashi Iwai <tiwai@...e.de>
Subject: Re: [ 108/147] ALSA: hda - Fix internal mic for Lenovo Ideapad U300s

On Thu, 2012-10-18 at 15:50 -0300, Herton Ronaldo Krzesinski wrote:
> On Sun, Oct 14, 2012 at 03:37:21PM +0100, Ben Hutchings wrote:
> > 3.2-stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: David Henningsson <david.henningsson@...onical.com>
> > 
> > commit 18dcd3044e4c4b3ab6341c98e8d0e81e0d58d5e3 upstream.
> > 
> > The internal mic input is phase inverted on one channel.
> > To avoid people in userspace summing the channels together
> > and get zero result, use a separate mixer control for the
> > inverted channel.
> > 
> > BugLink: https://bugs.launchpad.net/bugs/903853
> > Signed-off-by: David Henningsson <david.henningsson@...onical.com>
> > Signed-off-by: Takashi Iwai <tiwai@...e.de>
> > [bwh: Backported to 3.2:
> >  - Adjust context
> >  - Change both invocations of apply_pin_fixup()]
> > Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
> 
> I noted today that a follow up fix for this is needed to avoid an oops
> in apply_fixup, please consider adding to the next 3.2 stable this:
> 
> commit 83b0c6ba999643ee8ad6329f26e1cdc870e1a920
> ALSA: hda - Fix oops caused by recent commit "Fix internal mic for Lenovo Ideapad U300s"
[...]

Added to the queue, thanks.

Ben.

-- 
Ben Hutchings
Never attribute to conspiracy what can adequately be explained by stupidity.

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