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SubjectRe: [PATCH] macintosh: move mac_hid driver to input/mouse.
On Tue, 9 May 2017 17:43:27 -0700
Dmitry Torokhov <dmitry.torokhov@gmail.com> wrote:

> Hi Michal,
>
> On Tue, May 09, 2017 at 09:14:18PM +0200, Michal Suchanek wrote:
> > There is nothing mac-specific about this driver. Non-mac hardware
> > with suboptimal built-in pointer devices exists.
> >
> > This makes it possible to use this emulation not only on x86 and ppc
> > notebooks but also on arm and mips.
>
> I'd rather we did not promote from drivers/macintosh to other
> platforms, but rather removed it. The same functionality can be done
> from userspace.

What is the status of this?

Do you reply to every patch to drivers/input that is not the the core
infrastructure that you would rather drop the driver because it can be
done is in userspace?

It sure can be done. Remove everything but the bus drivers and uinput
from drivers/input and the rest can be done in userspace.

The question is who does it?

Are you saying that you will implement the userspace equivalent?

If not then please do your job as maintainer and accept trivial patches
for perfectly working drivers we have now.

If you want to move drivers/input into userspace I am not against it
but I am not willing to do that for you either.

>
> What hardware do you believe would benefit from this and why?

Any touchpad hardware where you cannot press two buttons at once to
emulate the third button due to hardware design. And any touchpad
hardware on which some of the buttons are broken when it comes to it.

It is built into a notebook and works fine for moving the cursor but
due to lack of usable buttons you still need a mouse to use the
notebook.

Thanks

Michal

>
> Thanks.
>
> >
> > Signed-off-by: Michal Suchanek <msuchanek@suse.de>
> > ---
> > drivers/input/mouse/Kconfig | 20
> > ++++++++++++++++++++ drivers/input/mouse/Makefile
> > | 1 + drivers/{macintosh => input/mouse}/mac_hid.c | 0
> > drivers/macintosh/Kconfig | 17 -----------------
> > drivers/macintosh/Makefile | 1 -
> > 5 files changed, 21 insertions(+), 18 deletions(-)
> > rename drivers/{macintosh => input/mouse}/mac_hid.c (100%)
> >
> > diff --git a/drivers/input/mouse/Kconfig
> > b/drivers/input/mouse/Kconfig index 89ebb8f39fee..5533fd3a113f
> > 100644 --- a/drivers/input/mouse/Kconfig
> > +++ b/drivers/input/mouse/Kconfig
> > @@ -12,6 +12,26 @@ menuconfig INPUT_MOUSE
> >
> > if INPUT_MOUSE
> >
> > +config MAC_EMUMOUSEBTN
> > + tristate "Support for mouse button 2+3 emulation"
> > + depends on SYSCTL && INPUT
> > + help
> > + This provides generic support for emulating the 2nd and
> > 3rd mouse
> > + button with keypresses. If you say Y here, the
> > emulation is still
> > + disabled by default. The emulation is controlled by
> > these sysctl
> > + entries:
> > + /proc/sys/dev/mac_hid/mouse_button_emulation
> > + /proc/sys/dev/mac_hid/mouse_button2_keycode
> > + /proc/sys/dev/mac_hid/mouse_button3_keycode
> > +
> > + If you have an Apple machine with a 1-button mouse, say
> > Y here. +
> > + This emulation can be useful on notebooks with
> > suboptimal touchpad
> > + hardware as well.
> > +
> > + To compile this driver as a module, choose M here: the
> > + module will be called mac_hid.
> > +
> > config MOUSE_PS2
> > tristate "PS/2 mouse"
> > default y
> > diff --git a/drivers/input/mouse/Makefile
> > b/drivers/input/mouse/Makefile index 56bf0ad877c6..dfaad1dd8857
> > 100644 --- a/drivers/input/mouse/Makefile
> > +++ b/drivers/input/mouse/Makefile
> > @@ -4,6 +4,7 @@
> >
> > # Each configuration option enables a list of files.
> >
> > +obj-$(CONFIG_MAC_EMUMOUSEBTN) += mac_hid.o
> > obj-$(CONFIG_MOUSE_AMIGA) += amimouse.o
> > obj-$(CONFIG_MOUSE_APPLETOUCH) += appletouch.o
> > obj-$(CONFIG_MOUSE_ATARI) += atarimouse.o
> > diff --git a/drivers/macintosh/mac_hid.c
> > b/drivers/input/mouse/mac_hid.c similarity index 100%
> > rename from drivers/macintosh/mac_hid.c
> > rename to drivers/input/mouse/mac_hid.c
> > diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
> > index 97a420c11eed..011df09c5167 100644
> > --- a/drivers/macintosh/Kconfig
> > +++ b/drivers/macintosh/Kconfig
> > @@ -159,23 +159,6 @@ config INPUT_ADBHID
> >
> > If unsure, say Y.
> >
> > -config MAC_EMUMOUSEBTN
> > - tristate "Support for mouse button 2+3 emulation"
> > - depends on SYSCTL && INPUT
> > - help
> > - This provides generic support for emulating the 2nd and
> > 3rd mouse
> > - button with keypresses. If you say Y here, the
> > emulation is still
> > - disabled by default. The emulation is controlled by
> > these sysctl
> > - entries:
> > - /proc/sys/dev/mac_hid/mouse_button_emulation
> > - /proc/sys/dev/mac_hid/mouse_button2_keycode
> > - /proc/sys/dev/mac_hid/mouse_button3_keycode
> > -
> > - If you have an Apple machine with a 1-button mouse, say
> > Y here. -
> > - To compile this driver as a module, choose M here: the
> > - module will be called mac_hid.
> > -
> > config THERM_WINDTUNNEL
> > tristate "Support for thermal management on Windtunnel G4s"
> > depends on I2C && I2C_POWERMAC && PPC_PMAC && !PPC_PMAC64
> > diff --git a/drivers/macintosh/Makefile b/drivers/macintosh/Makefile
> > index 516eb65bcacc..ab8b1e74d160 100644
> > --- a/drivers/macintosh/Makefile
> > +++ b/drivers/macintosh/Makefile
> > @@ -7,7 +7,6 @@
> > obj-$(CONFIG_PPC_PMAC) += macio_asic.o macio_sysfs.o
> >
> > obj-$(CONFIG_PMAC_MEDIABAY) += mediabay.o
> > -obj-$(CONFIG_MAC_EMUMOUSEBTN) += mac_hid.o
> > obj-$(CONFIG_INPUT_ADBHID) += adbhid.o
> > obj-$(CONFIG_ANSLCD) += ans-lcd.o
> >
> > --
> > 2.10.2
> >
>

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