Messages in this thread | | | Date | Fri, 30 Jun 2017 11:41:21 +0100 | From | Mark Brown <> | Subject | Re: Where to update regulator register with initial voltage set by HW |
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On Thu, Jun 29, 2017 at 09:18:09AM +0200, Waldemar Rymarkiewicz wrote:
> Initially, on boot, the voltage is set by HW (sensing resistors). When > OS starts and the reg driver registers regulator with the specific > constraints uV_min and uV_max, regulator core will apply uV_min or > uV_max if current (in regulator register) setting is not in the range. > Normally, by default register holds min(voltage_table) which is > different than the value set by HW (sensing resistors).
You shoudn't be specfiying a default value for the register, clearly there is none as it is determined dynamically by the hardware when the system boots. [unhandled content-type:application/pgp-signature] | |