linux-kernel - Re: "PM / QoS: Fix device resume latency PM QoS" breaks sound

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Message-ID: <fc59ffc4-f103-b572-a8b1-9ae817b280c9@intel.com>
Date:   Tue, 31 Oct 2017 00:36:59 +0100
From:   "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
To:     Chris Clayton <chris2553@...glemail.com>
Cc:     linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: "PM / QoS: Fix device resume latency PM QoS" breaks sound

On 10/28/2017 10:10 PM, Chris Clayton wrote:
> Hi,
>
> I pulled the latestchanges from Linus' tree this evening and have found that with the new kernel, sound is not working
> on my laptop. More precisely, the built-in speakers don't produce any sound. Sound does work when I use ear-plugs in the
> headphone socket. It also works via a bluetooth speaker.

This patch should fix it: https://patchwork.kernel.org/patch/10032147/

Thanks,
Rafael