Ok, thanks for your confirmation. Regards, jhs 2014-02-17 0:06 GMT+01:00 Jonathan Woithe <jwoithe@xxxxxxxxxx>: > On Mon, Feb 10, 2014 at 09:42:07AM +0100, Jan Hinnerk Stosch wrote: >> Thanks for your answer and sorry for the delay. > > No problem. > >> I finally got some time to look into this: >> When I boot with the named boot option the key does work with and >> without fujitsu_laptop being loaded. >> Additionally I found a bug report at launchpad: >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1159690 with some >> more people affected by this, who are using notebooks from different >> manufacturers, so this doesn't really seem to be related to >> fujitsu_laptop module, does it? > > I tend to agree. The fact that the named boot option makes this work > regardless of whether fujitsu_laptop is loaded or not indicates to me that > the mechanism driving this key on your laptop does not involve > fujitsu_laptop. My guess at present is that on your laptop the key is > implemented in a standard way and therefore the handling of it is taken care > of by generic code. By and large the code in fujitsu_laptop exists to deal > with features on laptops which were implemented in non-standard ways. > Affected laptops tend to be older (newer ones tend to comply more closely > with what we'll call standards for the purposes of this discussion). This > would explain why fujitsu_laptop doesn't have any effect on the key. > > As to why the named boot option seems to affect the key, I don't know and > can't offer any sugestions due to a lack of knowledge about the acpi_osi > option and how it affects the ACPI subsystem. > > To summarise: based on the tests you have done I don't think this is related > to the fujitsu_laptop module since the key's behaviour is not affected by > the presence or absence of this module. > > Regards > jonathan -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
