On 日, 2012-05-20 at 15:09 +0200, Corentin Chary wrote: > On Mon, Mar 5, 2012 at 10:12 AM, Corentin Chary > <corentin.chary@xxxxxxxxx> wrote: > > On Sun, Nov 6, 2011 at 11:16 PM, Len Brown <lenb@xxxxxxxxxx> wrote: > >>> I was looking at the DSDT of a new samsung laptop (I can send you the > >>> output of acpidump if interested), and it export a standard ACPI ALS > >>> device. So, it's actually great to see vendor using that, but it seems > >>> that the series adding support for that and sent back in 2009 is not > >>> available in the kernel. I'd really like to use my the ALS, what's the > >>> current status of the driver ? Still blocked because we don't have a > >>> generic sysfs class ? If yes, can't we just use a non-standard > >>> interface ? It would still be better than no driver at all. > >> > >> Yes, I think ACPI ALS support has been waiting for hardware to justify > >> its existence. > >> > >> When it first entered the spec, we were excited to see it was present > >> in some high-end laptops, but IIR on closer examination the AML turned > >> out to be dummy code. > >> > >> If you can verify that your Samsung really does implement ACPI ALS, > >> then that is all we need to stumble forward. > >> > >> thanks, > >> -Len Brown, Intel Open Source Technology Center > > > > Hello, > > > > As stated in my previous mails, the implementation on this laptop is > > perfectly functional, and since Windows 7 seems to be able to use > > ACPI ALS nativelly [1] I suspect new (high end ?) laptop will all > > support that. > > Is there any plan to revive this driver for 3.4 or 3.5 ? Should > > someone repost the last version of the previous patchset for > > discussion ? > > And no, on this laptop ALS is definitively not a gadget. > > > > Thanks, > > > > - http://download.microsoft.com/download/3/0/2/3027D574-C433-412A-A8B6-5E0A75D5B237/ambient-light-sensors.docx > > Adding more people that were interested in the previous discussion. > What was the exact status of the als class ? Rui Zhang are you still > interested in this ? > Thanks, > well, I need some time to get updated about this. Say I'm not sure if we still want to introduce an ALS class or we need to use drivers/staging/iio/ instead, today. BTW, you own this laptop, right? Can you send me the model name of this laptop and its acpidump output? thanks, rui -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
