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

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Message-ID: <20190626103741.GU5316@sirena.org.uk>
Date:   Wed, 26 Jun 2019 11:37:41 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Sasha Levin <sashal@...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 Tue, Jun 25, 2019 at 11:40:27PM -0400, Sasha Levin wrote:
> From: Georgii Staroselskii <georgii.staroselskii@...id.com>
> 
> [ Upstream commit 1f2675f6655838aaf910f911fd0abc821e3ff3df ]
> 
> 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.

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