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

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Message-Id: <200711192137.14747.khnz@gmx.de>
Date:	Mon, 19 Nov 2007 21:37:13 +0100
From:	Robert Gerlach <khnz@....de>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
Cc:	Dmitry Torokhov <dtor@...ightbb.com>, 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

Am Montag 19 November 2007 18:26:32 schrieben Sie:
> On Mon, 19 Nov 2007 13:50:30 +0100
>
> Robert Gerlach <khnz@....de> wrote:
> > Am Montag 19 November 2007 05:43:07 schrieb Stephen Hemminger:
> > > On Sun, 18 Nov 2007 23:36:58 +0100
> > >
> > > Robert Gerlach <khnz@....de> wrote:
> > > > Am Dienstag 23 Oktober 2007 21:55:55 schrieb Stephen Hemminger:
> > > > > +MODULE_ALIAS("dmi:*:svnFUJITSU:pnLifeBook*:pvr*:rvnFUJITSU:*");
> > > > > +MODULE_ALIAS("dmi:*:svnFUJITSU:pnLifebook*:pvr*:rvnFUJITSU:*");
> > > >
> > > > Please make sure that this module is not autoload on Lifebook tablets
> > > > (T series and P1[56]10). It works fine, but only supports a subset of
> > > > features (4 of 7 buttons and no display orientation for my T4010).
> > >
> > > I would rather get those tablets working (with help). Rather than
> > > trying to enumerate all the possible DMI values of the full range of
> > > different laptops.
> >
> > I've played with apanel some month ago. I've never found the keys and the
> > switch over the I2C bus. So I was starting my own module (fsc_btns) to
> > play with the IO range announced by ACPI. There I found it all. But my
> > module doesn't work on all Lifebooks (S7110 for example; has no such ACPI
> > device).
>
> If the device doesn't have the buttons, then the probe routine won't find
> them and it should just exit and unload itself.  Now it may be too noisy
> right now and it might not detect properly, if so, that is where the bug
> is.

Sorry, bad writing. What I want to say, apanel loads fine and works for the 4 
keys. Apanel and fsc_btns works side by side too and (in this case) keys 
reported twice, that's the bug.

For my T4010, apanel found 2 devices, devno 1 and 6 both with method=4 chip=4 
slave=25. The working keys are scrolldown (reported as prog2), scrollup 
(prog1), display rotation (www) and Fn (mail). If I find a way to make the 
other keys work, I will happily add it. Currently I have no idea.

By the way, input-kbd segv for apanel on my box. This fixed it for me:
--- orig/apanel.c	2007-11-19 20:41:58.000000000 +0100
+++ apanel.c	2007-11-19 20:44:54.000000000 +0100
@@ -274,8 +274,8 @@
 	idev->phys = "apanel/input0";
 	idev->id.bustype = BUS_HOST;
 	idev->dev.parent = &ap->client.dev;
-	idev->getkeycode = apanel_getkeycode;
-	idev->setkeycode = apanel_setkeycode;
+	idev->keycode = ap->keymap;
+	idev->keycodesize = sizeof(ap->keymap[0]);
 
 	set_bit(EV_KEY, idev->evbit);
 

  Robert
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