linux-kernel - Re: [PATCH] Fujitsu application panel driver (rev3)

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Date:	Sun, 16 Sep 2007 16:22:58 -0400
From:	Dmitry Torokhov <dtor@...ightbb.com>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
Cc:	Pavel Machek <pavel@....cz>, Len Brown <lenb@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-input@...ey.karlin.mff.cuni.cz, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fujitsu application panel driver (rev3)

Hi Stephen,

On Sunday 16 September 2007 15:55, Stephen Hemminger wrote:
> On Fri, 14 Sep 2007 01:30:58 -0400
> Dmitry Torokhov <dtor@...ightbb.com> wrote:
> 
> > Hi Stephen,
> > 
> > On Wednesday 12 September 2007 07:38, Stephen Hemminger wrote:
> > > This driver supports the application buttons on some Fujitsu Lifebook laptops.
> > > It is based on the earlier apanel driver done by Jochen Eisenger, but
> > > with many changes.  The original driver used ioctl's and a separate
> > > user space program;  see http://apanel.sourceforge.net/tech.php
> > > This version hooks into the input subsystem so that the normal
> > > Gnome/KDE shortcuts work without any userspace changes.
> > > 
> > > The Mail Led is handled via leds class device.
> > > 
> > 
> > Thank you very much for convering the led to led subsystem. I tried
> > implementing loadable keymap support in the driver, could you please
> > try the patch below and if it still works for you then I will apply
> > it to my tree.
> > 
> 
> Sorry, you are raising the bar for new drivers, higher than existing code.
> It is really bad (second system syndrome), if maintainers keep wanting
> new code to to more than existing drivers.
> 
> Please take driver AS IS. Go ahead and add loadable key map support,

I think I did that. I just asked you to run another test to make sure I did
not screw up. Please find the time to do that and the patch will be applied.
Unfortunately I do not own the hardware in question to do such test myself.

> but fix all the other drivers in the tree at the same time that use the existing
> interface.
> 

I will, time permitting. The support for doing loadable keymaps for drivers
with sparse scancodes (or their equivalent) was added not so long ago,
that's why there are a few drivers that don't implement loadable keymaps.
But still many others do.

-- 
Dmitry
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