linux-kernel - Re: Canonical has own Ubuntu driver for ALPS 73 03 28 devices

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Message-Id: <201606201947.58860@pali>
Date:	Mon, 20 Jun 2016 19:47:58 +0200
From:	Pali Rohár <pali.rohar@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Anthony Wong <anthony.wong@...onical.com>,
	Christoph Hellwig <hch@...radead.org>,
	Ben Gamari <ben@...rt-cactus.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Allen Hung <Allen_Hung@...l.com>,
	Ben Morgan <Ben_Morgan@...l.com>,
	Masaki Ota <masaki.ota@...alps.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Canonical has own Ubuntu driver for ALPS 73 03 28 devices

On Monday 20 June 2016 19:37:57 Dmitry Torokhov wrote:
> On Tue, Jun 21, 2016 at 01:29:41AM +0800, Anthony Wong wrote:
> > On 20 June 2016 at 18:20, Pali Rohár <pali.rohar@...il.com> wrote:
> > > On Monday 20 June 2016 03:16:36 Christoph Hellwig wrote:
> > > > On Sun, Jun 19, 2016 at 01:43:46AM +0200, Pali Roh??r wrote:
> > > > > I do not understand it... Why Canonical is hidden and don't
> > > > > communicate with rest of world? Otherwise touchpads could
> > > > > work out-of-box on non Ubuntu systems too with mainline
> > > > > kernel.
> > > 
> > > It must be really frustrating for Ben and other people (me too)
> > > who in last months working on ALPS patches to support that
> > > touchpad as we know that Canonical already had some working code
> > > for that touchpad...
> > 
> > Hi Pali,
> > 
> > The fix in the DKMS package you referenced was not written by
> > Canonical but by ALPS, as it came from them I think it is
> > reasonable they send it to upstream, isn't it? As you can see the
> > patch is non-trivial.
> > 
> > After we got the patch from ALPS, we had follow-up conversation a
> > few times with our contacts at Taiwan and asked if they would
> > upstream it, but unfortunately to no avail. I am as desperate as
> > you if the fix cannot land in mainline, which means many Linux
> > users will not benefit from it.  We also had opened this bug [1]
> > for this particular issue, there is nothing to hide. If there is
> > any code written by us, we happily submit them upstream.
> 
> Why couldn't you guys send it upstream yourselves?

For ALPS 73 03 28 touchpad it is probably too late now, see:
http://thread.gmane.org/gmane.linux.kernel.input/49651

> > [1] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1571530
> > 
> > > On Monday 20 June 2016 03:16:36 Christoph Hellwig wrote:
> > > > Because Canonical doesn't collaborate with the upstream
> > > > community in any meaninful way.  They've been a bad player
> > > > since day 1 and will always be.
> > 
> > This reminded me of this old thread [2]. How hard is it to run this
> > command in your kernel git tree?
> > 
> >     $ git log --pretty=oneline --author=canonical
> > 
> > [2] https://www.spinics.net/lists/linux-bluetooth/msg47286.html
> > 
> > Thanks,
> > Anthony

-- 
Pali Rohár
pali.rohar@...il.com

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