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Greg KH | 26 Sep 01:21
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[PATCH] Input: add mmio xi driver


From: Greg Kroah-Hartman <gregkh <at> suse.de>

This patch adds the Mimio Xi interactive whiteboard driver to the tree.

It was originally written by mwilder <at> cs.nmsu.edu, but cleaned up and
forward ported by me to the latest kernel version.

Cc: Phil Hannent <phil <at> hannent.co.uk>
Cc: <mwilder <at> cs.nmsu.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh <at> suse.de>

---
 drivers/input/misc/Kconfig  |   11 
 drivers/input/misc/Makefile |    1 
 drivers/input/misc/mimio.c  |  913 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 925 insertions(+)

--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -164,6 +164,17 @@ config INPUT_POWERMATE
 	  To compile this driver as a module, choose M here: the
 	  module will be called powermate.

+config INPUT_MIMIO
+	tristate "Mimio Xi interactive whiteboard support"
+	depends on USB_ARCH_HAS_HCD
+	select USB
+	help
+	  Say Y here if you want to use a Mimio Xi interactive
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Randy Dunlap | 26 Sep 03:20
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Re: [PATCH] Input: add mmio xi driver

On Thu, 25 Sep 2008 16:22:37 -0700 Greg KH wrote:

> 
> From: Greg Kroah-Hartman <gregkh@...>
> 
> This patch adds the Mimio Xi interactive whiteboard driver to the tree.
> 
> It was originally written by mwilder@..., but cleaned up and
> forward ported by me to the latest kernel version.
> 
> 
> Cc: Phil Hannent <phil@...>
> Cc: <mwilder@...>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...>
> 
> ---
>  drivers/input/misc/Kconfig  |   11 
>  drivers/input/misc/Makefile |    1 
>  drivers/input/misc/mimio.c  |  913 ++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 925 insertions(+)
> 
> --- a/drivers/input/misc/Kconfig
> +++ b/drivers/input/misc/Kconfig
> @@ -164,6 +164,17 @@ config INPUT_POWERMATE
>  	  To compile this driver as a module, choose M here: the
>  	  module will be called powermate.
>  
> +config INPUT_MIMIO
> +	tristate "Mimio Xi interactive whiteboard support"
> +	depends on USB_ARCH_HAS_HCD
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Greg KH | 26 Sep 05:19
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Re: [PATCH] Input: add mmio xi driver

On Thu, Sep 25, 2008 at 06:20:55PM -0700, Randy Dunlap wrote:
> On Thu, 25 Sep 2008 16:22:37 -0700 Greg KH wrote:
> 
> > 
> > From: Greg Kroah-Hartman <gregkh <at> suse.de>
> > 
> > This patch adds the Mimio Xi interactive whiteboard driver to the tree.
> > 
> > It was originally written by mwilder <at> cs.nmsu.edu, but cleaned up and
> > forward ported by me to the latest kernel version.
> > 
> > 
> > Cc: Phil Hannent <phil <at> hannent.co.uk>
> > Cc: <mwilder <at> cs.nmsu.edu>
> > Signed-off-by: Greg Kroah-Hartman <gregkh <at> suse.de>
> > 
> > ---
> >  drivers/input/misc/Kconfig  |   11 
> >  drivers/input/misc/Makefile |    1 
> >  drivers/input/misc/mimio.c  |  913 ++++++++++++++++++++++++++++++++++++++++++++
> >  3 files changed, 925 insertions(+)
> > 
> > --- a/drivers/input/misc/Kconfig
> > +++ b/drivers/input/misc/Kconfig
> > @@ -164,6 +164,17 @@ config INPUT_POWERMATE
> >  	  To compile this driver as a module, choose M here: the
> >  	  module will be called powermate.
> >  
> > +config INPUT_MIMIO
> > +	tristate "Mimio Xi interactive whiteboard support"
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Phil Hannent | 26 Sep 12:51
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Re: [PATCH] Input: add mmio xi driver

Greg KH wrote:
> On Thu, Sep 25, 2008 at 06:20:55PM -0700, Randy Dunlap wrote:
>> On Thu, 25 Sep 2008 16:22:37 -0700 Greg KH wrote:
>>
>>> From: Greg Kroah-Hartman <gregkh <at> suse.de>
>>>
>>> This patch adds the Mimio Xi interactive whiteboard driver to the tree.
>>>
>>> It was originally written by mwilder <at> cs.nmsu.edu, but cleaned up and
>>> forward ported by me to the latest kernel version.
I have been given the protocol document for the whiteboards, I am not allowed to
share it with anybody unfortunately.

I am just waiting for approval of funds for me to start development of this
driver and an X11 library to make the ink capture work.

I expect to start work at the end of October, I could do with a mentor to help
me with this.

Just so you do not get the wrong idea, I plan on sticking around to maintain the
driver once its complete even if its my spare time to do so.

Regards
Phil Hannent
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Greg KH | 26 Sep 19:46
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Re: [PATCH] Input: add mmio xi driver

On Fri, Sep 26, 2008 at 11:51:47AM +0100, Phil Hannent wrote:
> Greg KH wrote:
> > On Thu, Sep 25, 2008 at 06:20:55PM -0700, Randy Dunlap wrote:
> >> On Thu, 25 Sep 2008 16:22:37 -0700 Greg KH wrote:
> >>
> >>> From: Greg Kroah-Hartman <gregkh <at> suse.de>
> >>>
> >>> This patch adds the Mimio Xi interactive whiteboard driver to the tree.
> >>>
> >>> It was originally written by mwilder <at> cs.nmsu.edu, but cleaned up and
> >>> forward ported by me to the latest kernel version.
> I have been given the protocol document for the whiteboards, I am not allowed to
> share it with anybody unfortunately.

That's great news, and not that big of a deal about the "no share" issue
as long as you are allowed to contribute.

> I am just waiting for approval of funds for me to start development of this
> driver and an X11 library to make the ink capture work.

Um, what's wrong with the driver that I just posted?  Does it not work
properly?  I'll gladly accept patches for things that are wrong, but
don't start over from scratch please.

> I expect to start work at the end of October, I could do with a mentor to help
> me with this.

If you need help on the kernel side, feel free to contact me off-list.

thanks,
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Andrew Morton | 2 Oct 08:12

Re: [PATCH] Input: add mmio xi driver

> On Thu, 25 Sep 2008 16:22:37 -0700 Greg KH <gregkh <at> suse.de> wrote:
> 
> From: Greg Kroah-Hartman <gregkh <at> suse.de>

Is this true?

> This patch adds the Mimio Xi interactive whiteboard driver to the tree.
> 
> It was originally written by mwilder <at> cs.nmsu.edu, but cleaned up and
> forward ported by me to the latest kernel version.

Oh.  Tricky.

>
> ...
>
> +#define isvalidtxsize(n)	((n) > 0 && (n) <= MIMIO_MAXPAYLOAD)

grumble.

- should be written in C

- buggy when passed expresion-with-side-effects.

>
> ...
>
> +static DECLARE_MUTEX(disconnect_sem);

ooh, a semaphore - I remember them.
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