linux-kernel - Re: ASoC: sun4i-codec: playback stall and I/O error with DAPM paths all disabled

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Message-ID: <20160822104106.GK22076@sirena.org.uk>
Date:   Mon, 22 Aug 2016 11:41:06 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:     wens Tsai <wens213@...il.com>, Liam Girdwood <lgirdwood@...il.com>,
        Code Kipper <codekipper@...il.com>,
        Linux-ALSA <alsa-devel@...a-project.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: ASoC: sun4i-codec: playback stall and I/O error with DAPM paths
 all disabled

On Mon, Aug 22, 2016 at 11:18:15AM +0200, Maxime Ripard wrote:
> On Tue, Aug 16, 2016 at 12:45:39PM +0800, wens Tsai wrote:

> > Ok. So I guess one solution would be to move the mute controls out of
> > DAPM, and maybe change some other mux like paths into actual muxes, so
> > there's at least one usable path at all times.

> I'm not sure that's even a requirement. IIRC, but Mark might correct
> me, you just need to expose whatever the reset state is.

Yes, this results in some inconvenience but avoids problems caused by
configuration changes for one board affecting another adversely - if we
just go with the hardware defaults it's something fixed externally.

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