Re: [PATCH] regulator: mt6397: Implement of_map_mode regulator_desc function

From: Mark Brown
Date: Tue Jun 30 2020 - 06:38:40 EST


On Tue, Jun 30, 2020 at 11:10:51AM +1000, Anand K Mistry wrote:
> Without a of_map_mode implementation, the regulator-allowed-modes
> devicetree field is skipped, and attempting to change the regulator mode
> results in an error:
> [ 1.439165] vpca15: mode operation not allowed

The modes aren't documented in the binding document, any new device tree
property needs to be added to the binding document.

> +static unsigned int mt6397_map_mode(unsigned int mode)
> +{
> + return mode == MT6397_BUCK_MODE_AUTO ?
> + REGULATOR_MODE_NORMAL : REGULATOR_MODE_FAST;
> +}
> +

Please write normal conditional statements to improve legibility, the
ternery operator has uses but they're pretty specialist.

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