Re: [PATCH] Input: elan_i2c - Wait for initialization after enabling regulator supply

[Mark Brown]

On Tue, Oct 01, 2024 at 05:58:58AM -0700, Dmitry Torokhov wrote:
> On Tue, Oct 01, 2024 at 12:07:16PM +0100, Mark Brown wrote:

> > availalbe when a regulator is turned on?  There's also no difference
> > between DT and ACPI systems here, both could have the regulator fixed on
> > and I'd certainly not want to rely on an ACPI system implementing a
> > device specific delay after power on given the sort of stuff they like
> > to put into machine specific drivers.

> Well with Elan in native mode ACPI FW does do proper power sequencing,
> that is why this commit mentions failures observed on Mediatek devices.

Yeah, but that's got to get washed through the individual system
firmwares to get deployed and my confidence in vendors is not high.

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