linux-kernel - Re: [PATCH AUTOSEL 5.1 11/51] ASoC: sun4i-codec: fix first delay on Speaker

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Message-ID: <20190703181005.GB2733@sasha-vm>
Date:   Wed, 3 Jul 2019 14:10:05 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Georgii Staroselskii <georgii.staroselskii@...id.com>,
        Chen-Yu Tsai <wens@...e.org>
Subject: Re: [PATCH AUTOSEL 5.1 11/51] ASoC: sun4i-codec: fix first delay on
 Speaker

On Wed, Jul 03, 2019 at 06:07:44PM +0100, Mark Brown wrote:
>On Wed, Jul 03, 2019 at 10:20:47AM -0400, Sasha Levin wrote:
>> On Wed, Jun 26, 2019 at 11:37:41AM +0100, Mark Brown wrote:
>> > On Tue, Jun 25, 2019 at 11:40:27PM -0400, Sasha Levin wrote:
>
>> > > Allwinner DAC seems to have a delay in the Speaker audio routing. When
>> > > playing a sound for the first time, the sound gets chopped. On a second
>> > > play the sound is played correctly. After some time (~5s) the issue gets
>> > > back.
>
>> > This is inserting a big delay in the startup and might disrupt some
>> > production system.
>
>> But that would be a problem upstream as well, no?
>
>There's a difference between a problem that gets introduced in normal
>development tracking upstream and something that gets dropped into a
>stable release, we don't want people deciding that stable is something
>they can't just take en masse without really looking at what's in there.

Sure, but I don't see any work upstream on trying to correct this?

These sort of things are a reason why users stick with the same kernel
for years, which is what we'd like to avoid.

I'll drop this for now...

--
Thanks,
Sasha