linux-kernel - Re: [PATCH 3/4] ASoC: amd: acp: Add machine driver that enables sound for systems with a ES8336 codec

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZBty1CdPaWm0IcRi@sirena.org.uk>
Date:   Wed, 22 Mar 2023 21:27:48 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Marian Postevca <posteuca@...ex.one>
Cc:     沈一超 <zhuning0077@...il.com>,
        yangxiaohua <yangxiaohua@...rest-semi.com>,
        Zhu Ning <zhuning@...rest-semi.com>,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org
Subject: Re: [PATCH 3/4] ASoC: amd: acp: Add machine driver that enables
 sound for systems with a ES8336 codec

On Wed, Mar 22, 2023 at 10:48:28PM +0200, Marian Postevca wrote:

> Regarding playing the speaker and headphone simultaneously, is not
> something I took into account. Is this even a valid usecase? The intel driver
> for es8336 doesn't seem to support it.

Yes, for example consider a critical notification - the system
may wish to ensure it is audible even if the user has taken off
their headphones for some reason.

> >> This is needed because if suspending the laptop with the headphones
> >> inserted, when resuming, the sound is not working anymore. Sound stops
> >> working on speakers and headphones. Reinsertion and removals of the
> >> headphone doesn't solve the problem.

> >> This seems to be caused by the fact
> >> that the GPIO IRQ stops working in es8316_irq() after resume.

> > That's a bug that should be fixed.

> Agreed, but I don't know how easy it is to fix, and I would like to
> first offer users of these laptops a working sound driver.
> Afterwards this issue can be analyzed and properly fixed.

Surely if nothing else a good first step would be to have the
CODEC driver do whatever disabling the jack does on suspend
without needing the machine driver to bodge things?

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)