Re: [PATCH 1/3] ASoC: es8316: Increment max value for ALC Capture Target Volume control

From: Mark Brown
Date: Wed May 24 2023 - 09:59:13 EST

On Wed, May 24, 2023 at 04:49:37PM +0300, Cristian Ciocaltea wrote:
> On 5/24/23 13:30, Mark Brown wrote:

> > Presumably you can check the effects of changing the value? It seems
> > plausible that what's written in the code might be accurate and the
> > higher values might actually change the gain but it'd be better to
> > check.

> I haven't noticed a (measurable) change in gain when switching between
> 10 and 11, but my testing equipment is also not that great. Will try to
> improve the tests accuracy.

I'd expect it should be really obvious with a scope if you've got one?
Testing with something consistent like a sine wave (eg, from
speaker-test) should also make a 1.5dB difference noticable enough to
check if there's at least a volume change by ear even if you can't
specifically quantify it.

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