linux-kernel - Re: [PATCH v2 01/10] ASoC: tegra: Fix kcontrol put callback in ADMAIF

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Date:   Mon, 8 Nov 2021 16:16:03 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Sameer Pujar <spujar@...dia.com>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
        lgirdwood@...il.com, tiwai@...e.com, thierry.reding@...il.com,
        jonathanh@...dia.com, alsa-devel@...a-project.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/10] ASoC: tegra: Fix kcontrol put callback in ADMAIF

On Mon, Nov 08, 2021 at 09:33:25PM +0530, Sameer Pujar wrote:

> With separate callbacks, the string checks can be removed. However for most
> of the controls, the common part is minimal. So there would be multiple
> independent small functions depending on the number of controls and the
> local variables are duplicated that many times. Would there be any concern
> on the space these local variables take? One pair of callbacks for a control
> may look like this.

...

> Looks like having separate callbacks make it look more cleaner. If this
> appears fine, I can send next revision.

Looks fine.  It'll result in more code but hopefully they should be
smaller, especially if you're using substrings rather than the full
control name to identify the control and we need to store all them
separately to the copy used to identify the control to userspace (I
didn't go check).

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