linux-kernel - Re: [RFC PATCH 0/2] ASoC: soc-dai: add flag to mute and unmute stream during trigger.

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Message-ID: <2023112225-crop-uncle-9097@gregkh>
Date:   Wed, 22 Nov 2023 16:35:17 +0000
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     Sasha Levin <sashal@...nel.org>, broonie@...nel.org,
        perex@...ex.cz, tiwai@...e.com, lgirdwood@...il.com,
        linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        stable@...r.kernel.org
Subject: Re: [RFC PATCH 0/2] ASoC: soc-dai: add flag to mute and unmute
 stream during trigger.

On Wed, Nov 22, 2023 at 04:41:37PM +0100, Johan Hovold wrote:
> Hi Greg and Sasha,
> 
> On Fri, Oct 27, 2023 at 01:52:11PM +0200, Johan Hovold wrote:
> > On Fri, Oct 27, 2023 at 11:57:45AM +0100, Srinivas Kandagatla wrote:
> > > Click/Pop Noise was a long pending issue with WSA Codecs which are prone
> > > to accumlate DC when ports are active but without any data streams.
> > > There are multiple places in the current setup, where this could happen
> > > in both startup as well as shutdown path.
> > > 
> > > This patchset adds a new flag mute_unmute_on_trigger to dai_ops to let
> > > generic code do the mute/unmute on trigger.
> > > 
> > > This patches help fix those issues by making sure the PA is Muted/Unmuted
> > > inline with the stream start/stop events.
> > >
> > > Srinivas Kandagatla (2):
> > >   ASoC: soc-dai: add flag to mute and unmute stream during trigger
> > >   ASoC: codecs: wsa883x: make use of new mute_unmute_on_trigger flag
> > 
> > I've verified that this fixes the pop sounds when starting and stopping
> > a stream on the X13s, even if the click sound when killing pulseaudio
> > (e.g. on reboot) is still there (as with the previous fixes).
> > 
> > Tested-by: Johan Hovold <johan+linaro@...nel.org>
> > 
> > If these are accepted, can we get them backported to 6.5 as well?
> 
> These fixes are now in 6.7-rc1 as
> 
> 	f0220575e65a ("ASoC: soc-dai: add flag to mute and unmute stream during trigger")

This doesn't backport cleanly, can you provide a working backport?

> 	805ce81826c8 ("ASoC: codecs: wsa883x: make use of new mute_unmute_on_trigger flag")

Now queued up, thanks.

greg k-h