Re: [PATCH v1 0/2] Enable Bluetooth functionality for wcn3998.

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+ device tree folks

On Thu, Mar 07, 2019 at 05:46:50PM +0530, Harish Bandi wrote:
> This patch series we add support for wcn3998 BT chip set. This new chipset
> is based from the wcn3990 with minimal power numbers. So here in this patch
> The major difference between wcn3990 and wcn3998 is only power numbers. where
> as init process and fw download is same with wcn3990.So we are leveraging the 
> existing code of wcn3990 along with readiing the voltages from the dts file. 

About how many different variants are we talking?

Couldn't you just use a different compatible string for each variant
and specify the voltage/current limits in the hci_qca.c driver, as
currently done for the WCN3990? I understand that it requires touching
the driver for each new variant, but it might be preferable to specify
these static values in a single location, instead of repeating them in
the DT snippets of every device that uses such a controller, with the
possiblity of configuration errors.

The DT folks can probably provide guidance on what is typically done
in cases like this.

Thanks

Matthias



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