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SubjectRe: [PATCH V6 1/2] introduce ALS sysfs class
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On Thu, 2009-09-03 at 03:22 +0800, Alan Jenkins wrote:
> On 9/1/09, Zhang Rui <rui.zhang@intel.com> wrote:
> >
> > Introduce ALS sysfs class.
> >
> > ALS sysfs class provides a standard sysfs interface for
> > Ambient Light Sensor devices.
> >
> > please read Documentation/ABI/testing/sysfs-class-als for
> > detailed sysfs designs.
> >
> > CC: Pavel Machek <pavel@ucw.cz>
> > Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
> > Signed-off-by: Zhang Rui <rui.zhang@intel.com>
> > ---
>
> > +++ linux-2.6/drivers/als/Kconfig
> > @@ -0,0 +1,10 @@
> > +#
> > +# Ambient Light Sensor sysfs device configuration
> > +#
> > +
> > +menuconfig ALS
> > + tristate "Ambient Light Sensor sysfs device"
> > + help
> > + This framework provides a generic sysfs interface for
> > + Ambient Light Sensor devices.
> > + If you want this support, you should say Y or M here.
>
> Gratuitous nitpick:
> Can this option be made non-visible (or hidden behind CONFIG_EMBEDDED)?
>
> Maybe you copied the pattern of the thermal sysfs interface - but the
> ACPI thermal driver is useful to keep your computer cool even without
> the sysfs interface. ALS drivers are useless without the sysfs
> interface, no?
>
ACPI ALS device driver is the first user of this sysfs class.
I think there will be more native ALS device drivers in the future,
which locate at drivers/als/ and depends on CONFIG_ALS.

thanks,
rui


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