On Tue, Oct 01, 2024 at 02:06:19PM +0100, Mark Brown wrote: > 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. I think native Elan is only used in Chromebooks where firmware is decent, the rest are I2C-HID. Thanks. -- Dmitry
