Re: [PATCH 2/2] Input: cyttsp5 - add vddio regulator

From: Dmitry Torokhov
Date: Thu Nov 17 2022 - 17:17:39 EST


On Thu, Nov 17, 2022 at 07:05:41PM +0000, Lin, Meng-Bo wrote:
> The Samsung touchscreen controllers are often used with external pull-up
> for the interrupt line and the I2C lines, so we might need to enable
> a regulator to bring the lines into usable state. Otherwise, this might
> cause spurious interrupts and reading from I2C will fail.
>
> Implement support for a "vddio-supply" that is enabled by the cyttsp5
> driver so that the regulator gets enabled when needed.

This needs binding update.

Thanks.

--
Dmitry