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From: Takashi Iwai <tiwai@suse.de>
To: "Pierre-Louis Bossart" <pierre-louis.bossart@linux.intel.com>
Cc: "Mark Brown" <broonie@kernel.org>, <alsa-devel@alsa-project.org>,
	"Guenter Roeck" <groeck@chromium.org>,
	"Liam Girdwood" <lgirdwood@gmail.com>,
	"Guenter Roeck" <groeck@google.com>,
	"Chintan Patel" <chintan.m.patel@intel.com>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [alsa-devel] [RFC/RFT PATCH] ASoC: topology: Improve backwards compatibility with v4 topology files
Date: Wed, 23 May 2018 15:56:40 +0200	[thread overview]
Message-ID: <s5hlgcapjaf.wl-tiwai@suse.de> (raw)
In-Reply-To: <521b23cd-f083-6a19-1374-fde7057c869b@linux.intel.com>

On Wed, 23 May 2018 15:42:59 +0200,
Pierre-Louis Bossart wrote:
> 
> On 5/23/18 3:24 AM, Mark Brown wrote:
> > On Tue, May 22, 2018 at 02:59:35PM -0500, Pierre-Louis Bossart wrote:
> >
> >> I am also not convinced by the notion that maintaining topology files is
> >> only a userspace/distro issue. This would mean some distros will have access
> >> to the required topology files, possibly enabling DSP processing
> >> capabilities, but other will not and will not be able to enable even basic
> >> playback/capture. Just like we have a basic firmware with limited
> >> functionality in /lib/firmware/intel, it would make sense to require a basic
> >> .conf file in alsa-lib for every upstream machine driver - along possibly
> >> with a basic UCM file so that audio works no matter what distro people use.
> >
> > The point here is that people should be able to update their kernel
> > without updating their userspace so things have to work with whatever
> > they have right now - anything that relies on shipping new firmware or
> > configuration files to userspace is a problem.
> 
> Agree.
> 
> My point was a bit different: distributions like Gallium start without
> the relevant topology files and UCM settings, and we should have a
> reference to quickly enable audio without having to borrow and modify
> files from another distro. I faced this issue when I worked with the
> Gallium folks to enable audio on Rambi and Cyan Chromebooks and
> ended-up creating this reference myself.

This sounds rather like a question how the upstream distributes the
stuff properly...


thanks,

Takashi

  reply	other threads:[~2018-05-23 13:56 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-22 16:58 Guenter Roeck
2018-05-22 17:14 ` Mark Brown
2018-05-22 19:59 ` [alsa-devel] " Pierre-Louis Bossart
2018-05-23  8:24   ` Mark Brown
2018-05-23 13:42     ` Pierre-Louis Bossart
2018-05-23 13:56       ` Takashi Iwai [this message]
     [not found]         ` <CABXOdTdGyfBdZUzG-DzGgfr0Afrh9dtgdXibQreOZm7nb4z3=w@mail.gmail.com>
2018-05-23 14:58           ` Takashi Iwai
2018-05-23 15:52           ` Mark Brown
     [not found]   ` <CABXOdTd5+QJHOZ6BcSO-TfJCqcLzdd+Gbnf4HYh9i9cG+UH+1g@mail.gmail.com>
2018-05-23  9:49     ` Mark Brown
2018-05-23 13:54 ` Takashi Iwai
2018-05-23 13:56   ` Mark Brown
     [not found]     ` <CABXOdTeCr-ExO9O3XAHK-DnNf5yLGO0TPkXgs60TB90jGNB2_Q@mail.gmail.com>
2018-05-23 15:58       ` Mark Brown
2018-05-23 16:17         ` Guenter Roeck
2018-05-24  9:52           ` Takashi Iwai
2018-05-24 14:18           ` Mark Brown
2018-05-24 14:55             ` Guenter Roeck
2018-05-24 15:11               ` Mark Brown
2018-05-25  9:04                 ` [alsa-devel] " Lin, Mengdong
2018-05-25 13:20                   ` Guenter Roeck
2018-05-23 16:29   ` Guenter Roeck
2018-05-23 20:28 ` [alsa-devel] " Pierre-Louis Bossart
2018-05-23 21:22   ` Guenter Roeck
2018-05-24  3:38     ` Pierre-Louis Bossart
2018-05-25 13:40     ` Shreyas NC
2018-05-25 14:09       ` Guenter Roeck
2018-05-25 17:41         ` Guenter Roeck

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