linux-kernel - Re: 2.6.20-rc6 pb

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Message-ID: <Pine.LNX.4.64.0701291138260.9448@twin.jikos.cz>
Date:	Mon, 29 Jan 2007 11:40:57 +0100 (CET)
From:	Jiri Kosina <jikos@...os.cz>
To:	Soeren Sonnenburg <kernel@....de>
cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-usb-devel <linux-usb-devel@...ts.sourceforge.net>
Subject: Re: 2.6.20-rc6 pb_fnmode regression

On Mon, 29 Jan 2007, Soeren Sonnenburg wrote:

> Well I need in-kernel usbhid and the way this was implemented in 2.6.19 
> (and before) one could change pb_fnmode on-the-fly. This is mentioned in 
> all the power/i/mac/book tutorials and everyone is used to switching 
> modes this way. I can happily patch the kernel to use the pb_fnmode but 
> nonetheless this is a regression to pre 2.6.20* and will confuse others 
> too...

Ah, now I see. The problem is that in pre-2.6.20-rc1 the pb_fnmode was 
setting global variable, but after the HID layer rework, this is a per-hid 
variable, which is of course not updated when write to sysfs triggers.

I will try to fix this before I send 2.6.20-rc6 updates to Linus, thanks 
for pointing this out.

-- 
Jiri Kosina
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