Messages in this thread | | | Date | Sat, 10 Apr 2004 01:31:50 -0400 | From | John Belmonte <> | Subject | Re: [ACPI] Re: [PATCH] filling in ACPI method access via sysfs namespace |
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Alex Williamson wrote: > On Fri, 2004-04-09 at 19:52, John Belmonte wrote: > >>The limitation of this interface is that it's not able to call an ACPI >>method with some arguments and get the return value, correct? > > Yes, that's unfortunately a limitation. Most of the standard > interfaces either take no parameters or have no return value, so they > fit nicely into this framework. I'm open to suggestions on how to work > around this. We could make the store function save off the method > parameters, then the show function would call the method with the saved > parameters and return the results. Obviously there are some userspace > ordering issues that could make this complicated, but it's easy to code > on the kernel side. Other ideas? Thanks,
You may want to look at the acpi-devel thread "[rfc] generic testing ACPI module", where this issue was discussed (http://sourceforge.net/mailarchive/message.php?msg_id=7455349).
-John
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