From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Michael Hanselmann <linux-kernel@hansmi.ch>
Cc: linuxppc-dev@ozlabs.org, johannes@sipsolutions.net,
rpurdie@rpsys.net, linux-kernel@killerfox.forkbomb.ch
Subject: Re: [PATCH] Keyboard backlight driver for Oct 2005 PowerBooks
Date: Mon, 28 Aug 2006 08:34:23 +1000 [thread overview]
Message-ID: <1156718063.8433.358.camel@localhost.localdomain> (raw)
In-Reply-To: <20060827123015.GA4697@hansmi.ch>
On Sun, 2006-08-27 at 14:30 +0200, Michael Hanselmann wrote:
> This driver provides an interface to the keyboard backlight on Oct 2005
> PowerBooks, which have the backlight behind the PMU. This driver doesn't
> support the I²C variant used in earlier PowerBooks.
>
> Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch>
Why would we need a driver ? Userland can emit PMU commands directly...
At least, if we do a driver, it should provide a common interface to
both PMU and i2c based LMUs
Ben.
next prev parent reply other threads:[~2006-08-27 22:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-27 12:30 [PATCH] Keyboard backlight driver for Oct 2005 PowerBooks Michael Hanselmann
2006-08-27 22:34 ` Benjamin Herrenschmidt [this message]
2006-08-27 23:07 ` Michael Hanselmann
2006-08-27 23:11 ` Benjamin Herrenschmidt
2006-08-27 23:24 ` Michael Hanselmann
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