Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Wed, 24 May 2023 20:08:21 +0200
Message-ID: <87o7m9d2lm.wl-tiwai@suse.de>
From:   Takashi Iwai <tiwai@suse.de>
To:     Stuart Henderson <stuarth@opensource.cirrus.com>
Cc:     Luke Jones <luke@ljones.dev>, <linux-kernel@vger.kernel.org>,
        <tiwai@suse.com>, <sbinding@opensource.cirrus.com>,
        <perex@perex.cz>, <tangmeng@uniontech.com>,
        <andy.chi@canonical.com>, <p.jungkamp@gmx.net>,
        <kasper93@gmail.com>, <yangyuchi66@gmail.com>, <armas@codux.tech>,
        <ealex95@gmail.com>, <james.schulman@cirrus.com>,
        <david.rhodes@cirrus.com>, <tanureal@opensource.cirrus.com>,
        <rf@opensource.cirrus.com>, <patches@opensource.cirrus.com>,
        <alsa-devel@alsa-project.org>
Subject: Re: CSC3551 and devices missing related _DSD bits
In-Reply-To: <b4c202b2-ab29-e2aa-b141-0c967b2c1645@opensource.cirrus.com>
References: <1991650.PYKUYFuaPT@fedora>
        <87jzx3zaf8.wl-tiwai@suse.de>
        <b4c202b2-ab29-e2aa-b141-0c967b2c1645@opensource.cirrus.com>
User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0
MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue")
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
Precedence: bulk

On Wed, 24 May 2023 18:36:04 +0200,
Stuart Henderson wrote:
> 
> 
> > The problem is that this can really easily blow up your machine if
> > some incorrect bit is applied.  And more easily applicable, more
> > chance to break by novice users, simply by believing what a chat bot
> > speaks :)
> > That's the very reason why this kind of change should be via ACPI
> > table officially set up by the vendor.  That said, the question is
> > only who and how can be responsible for this kind of change.  It's
> > no technical issue, per se.
> > 
> > If BIOS can't be updated, at least, the configuration change has to be
> > confirmed by ASUS people.  If ASUS still ignores the inquires and
> > requests, we may put the quirk but with a bit fat warning (and maybe
> > complaints to ASUS) to be shown in the log as a very last resort.
> > 
> > Let's see what happens.
> 
> Thanks Takashi.
> 
> Just a note to say we're not ignoring this and are investigating the
> best way to support released laptops with ACPI incompatible with
> Linux.? We're hoping this is going to be less of an issue going
> forward.? Please bear with us while we look into this.

Good to hear that you're working on it!
Sure, it's no urgent issue and better wait for a proper solution.


thanks,

Takashi