[alsa-devel] [PATCH v2] ASoC: rt5663: Add the function of impedance sensing

Mark Brown broonie at kernel.org
Thu Sep 14 19:28:00 CEST 2017


On Thu, Sep 14, 2017 at 01:50:56PM +0800, Oder Chiou wrote:

> +- "realtek,impedance_sensing_num"
> +  The matrix row number of the impedance sensing table.

Which table - one in the datasheet?

> +- "realtek,impedance_sensing_table"
> +  The matrix rows of the impedance sensing table are consisted by impedance
> +  minimum, impedance maximun, volume, DC offset w/o and w/ mic of each L and
> +  R channel accordingly.

I can't understand what this property is supposed to look like based on
this, sorry.  What does the property actually look like, what are the
values in it and what units are they specified in?
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