[alsa-devel] Support Dell headset mode for ALC288

[Takashi Iwai]

At Mon, 20 Apr 2015 15:12:59 -0500,
Mario Limonciello wrote:
> 
> 
> On 04/08/2015 04:40 AM, Takashi Iwai wrote:
> > At Wed, 8 Apr 2015 08:08:47 +0000,
> > Kailang wrote:
> > OK, I applied this with rephrasing the changelog mentioning ALC286,
> > too.
> >
> > Since this one and Dell patch are relative large changes, I queued
> > them to for-next branch instead of for-linus, i.e. the merge to Linus
> > tree will be postponed to 4.1-rc1.
> >
> >
> > thanks,
> >
> > Takashi
> >
> >
> Takashi,
> 
> It's a bit unfortunate that these are landing in 4.1 rather than 4.0.  4.1 they actually won't be very useful in the default kernel due to this patch landing:
> https://github.com/torvalds/linux/commit/b1ef2972586577e0ca9675254ee141f65a8824e5
> 
> With 4.1 the XPS 13 will run in I2S audio mode.
> 
> Is there any chance at backporting these to @stable?  Some of the distros (Ubuntu and Fedora) are already backporting this into some of their kernel versions, but I think this should benefit the community at large if the other distributions that tracked @stable could pick this up too.

It's easy, you just need to send a post to stable kernel to tell the
commit id to cherry-pick.

At best it should be done by the people who actually test the
backport, as this is no generic fix I can confirm.


Takashi