> Quoting Henrique de Moraes Holschuh <[email protected]>:
> Subject: Re: THINKPAD_ACPI_INPUT_ENABLED seems regressive
>
> Cc's added.
>
> On Wed, 01 Aug 2007, Hugh Dickins wrote:
> > When updating this IBM ThinkPad T43p from 2.6.22 to 2.6.23-rc1
> > using make oldconfig, the text and default Y of
> >
> > config THINKPAD_ACPI_INPUT_ENABLED
> > bool "Enable input layer support by default"
> > depends on THINKPAD_ACPI
> > default y
> > ---help---
> > Enables hot key handling over the input layer by default. If unset,
> > the driver does not enable any hot key handling by default, and also
> > starts up with a mostly empty keymap.
> >
> > If you are not sure, say Y here. Say N to retain the deprecated
> > behavior of ibm-acpi, and thinkpad-acpi for kernels up to 2.6.21.
> >
> > made it sound like a good thing, so I configured it Y. But its only
> > effect seems to be to disable the key I use most, Fn+F4 to suspend to
> > RAM. It also disables Fn+F3 to blank the screen, though I don't use
> > that one; but does not disable the brightness and ThinkLight keys,
> > presumably because they just get mapped to KEY_RESERVED.
>
> Actually, it doesn't disable the keys, but it routes them differently, so it
> will work well only if you have very up-to-date HAL, etc.
>
> Richard, Matthew, would the HAL crowd be unhappy if I switch that default?
>
> Distros with new enough userland would be expected to compile the kernel
> with THINKPAD_ACPI_INPUT_ENABLED, though.
>
> > I get along fine now with THINKPAD_ACPI_INPUT_ENABLED disabled; but
> > suggest that its text is misleading, and default Y questionable.
> > Or perhaps there's a bug, and I can help try patches.
>
> No bug in he code. The help text should clearly be improved, and the
> default could be switched to N. I will send in a patch, after I get a few
> comments.
Forcing the selection at compile-time isn't such a great idea IMHO.
Isn't there a way to support both old and new userspace?
--
MST
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