linux-kernel - Re: RESEND: [PATCH 3/3] Misc: Add HP WMI laptop extras driver

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Message-Id: <20080602163037.a7044f68.akpm@linux-foundation.org>
Date:	Mon, 2 Jun 2008 16:30:37 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	linux-input@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, carlos@...angeworlds.co.uk
Subject: Re: RESEND: [PATCH 3/3] Misc: Add HP WMI laptop extras driver

On Thu, 29 May 2008 09:23:56 +0100
Matthew Garrett <mjg59@...f.ucam.org> wrote:

> This driver adds support for reading and configuring certain information 
> on modern HP laptops with WMI BIOS interfaces. It supports enabling and 
> disabling the ambient light sensor, querying attached displays and hard 
> drive temperature, sending events on docking and querying the state of 
> the dock and toggling the state of the wifi, bluetooth and wwan hardware 
> via rfkill. It also makes the little "(i)" button work on machines that 
> send that via WMI rather than via the keyboard controller.

I should upgrade everyone to checkpatch-0.19...

WARNING: consider using strict_strtoul in preference to simple_strtoul
#300: FILE: drivers/misc/hp-wmi.c:244:
+       u32 tmp = simple_strtoul(buf, NULL, 10);

The reason for this is that simple_strtoul(() will treat "42foo" as
valid input (ie: 42).  Whereas strict_strtoul() will report an error,
which is neater of us.


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