Re: [PATCH 2/2] acpi,backlight: MSI S270 laptop support - driver

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On Tue, 15.08.06 14:42, Thomas Renninger (trenn@xxxxxxx) wrote:

> > +config ACPI_MSI_S270
> > +	tristate "MSI S270 Laptop Extras"
> > +	depends on X86
> > +    depends on BACKLIGHT_CLASS_DEVICE
> > +	---help---
> > +	  This is a Linux ACPI driver for MSI S270 laptops. It adds
> > +	  support for Bluetooth, WLAN and LCD brightness control.
> > +
> > +	  More information about this driver is available at
> > +	  <http://0pointer.de/lennart/tchibo.html>.
> > +
> > +	  If you have an MSI S270 laptop, say Y or M here.
> 
> I don't know anything about MSI laptops. But S270 sounds like a very
> specific model to me?

There are quite a lot of different S270 laptops. And the laptops are
sold under various brands and names, hence it's not that specific. 

Until now I found the laptop under the brands MSI, Cytron, TCM,
Medion, Tchibo and the names MegaBook, S270, MD96100, MS-1013,
SAM2000. And I am sure there are even more names/brands...

> Shouldn't the driver just be called acpi_msi driver and try to also
> support other MSI models later that might do things at least
> similar?

The driver uses the ACPI EC but doesn't call any ACPI DSDT method. On
request of Len Brown I moved the driver out of the /drivers/acpi/
namespace and made it use sysfs instead of /proc/acpi:

http://lwn.net/Articles/194916/

Hence I don't think it is a good idea to prefix the driver name with
"acpi_".

I would like to support other laptop models from MSI (specifically
S260), however I don't have access to any of them or to the necessary
hardware information.

But yes, I guess I could rename the driver to "laptop_msi.c" or
something. Although I don't know if the other models use a similar
ACPI EC interface to the S270 model. 

If anyone has a S260 and wants to test this driver on it: please
contact me!

Lennart

-- 
Lennart Poettering; lennart [at] poettering [dot] net
ICQ# 11060553; GPG 0x1A015CC4; http://0pointer.net/lennart/
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