Re: [PATCH 0/6] ACPI: EC: Updates related to initialization

From: Rafael J. Wysocki
Date: Wed Mar 04 2020 - 04:14:09 EST


On Wed, Mar 4, 2020 at 3:54 AM Jian-Hong Pan <jian-hong@xxxxxxxxxxxx> wrote:
>
> Rafael J. Wysocki <rafael@xxxxxxxxxx> æ 2020å3æ4æ éä äå6:23åéï
> >
> > On Tue, Mar 3, 2020 at 10:09 AM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote:
> > >
> > > On Tue, Mar 3, 2020 at 8:29 AM Jian-Hong Pan <jian-hong@xxxxxxxxxxxx> wrote:
> > > >
> > > > Rafael J. Wysocki <rafael@xxxxxxxxxx> æ 2020å3æ2æ éä äå7:45åéï
> > > > >
> >
> > [cut]
> >
> > > >
> > > > Originally, ec_install_handlers() will return the returned value from
> > > > install_gpio_irq_event_handler() from acpi_dev_gpio_irq_get(), which
> > > > is -EPROBE_DEFER, instead of -ENXIO. However, ec_install_handlers()
> > > > returns -ENXIO directly if install_gpio_irq_event_handler() returns
> > > > false in patch ("ACPI: EC: Consolidate event handler installation
> > > > code"). Here needs some modification.
> > >
> > > Thanks, I forgot about the -EPROBE_DEFER case.
> >
> > The top-most commit in the git branch at
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \
> > acpi-ec-work
> >
> > has been updated to take that case into account (I think that it
> > should be spelled out explicitly or it will be very easy to overlook
> > in the future).
> >
> > Please test this one if possible.
>
> Tested the commits on some laptops including ASUS UX434DA. The
> brightness hotkeys are working now.

Thank you!