linux-kernel - Re: [PATCH AUTOSEL 5.2 040/123] ASoC: Fail card instantiation if DAI format setup fails

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Message-ID: <20190814092213.GC4640@sirena.co.uk>
Date:   Wed, 14 Aug 2019 10:22:13 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Ricard Wanderlof <ricard.wanderlof@...s.com>,
        Ricard Wanderlof <ricardw@...s.com>
Subject: Re: [PATCH AUTOSEL 5.2 040/123] ASoC: Fail card instantiation if DAI
 format setup fails

On Tue, Aug 13, 2019 at 10:09:24PM -0400, Sasha Levin wrote:
> From: Ricard Wanderlof <ricard.wanderlof@...s.com>
> 
> [ Upstream commit 40aa5383e393d72f6aa3943a4e7b1aae25a1e43b ]
> 
> If the DAI format setup fails, there is no valid communication format
> between CPU and CODEC, so fail card instantiation, rather than continue
> with a card that will most likely not function properly.

This is another one where if nobody noticed a problem already and things
just happened to be working this might break things, it's vanishingly
unlikely to fix anything that was broken.

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