From: Ike Panhc <ike.pan@canonical.com>
Date: Fri, 1 Oct 2010 07:38:46 +0000 (+0800)
Subject: ideapad: add ACPI helpers
X-Git-Tag: v2.6.37-rc1~128^2~18
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a09f21dd1e205a68c8f8c4f39e4cff8f63801b6;p=pandora-kernel.git

ideapad: add ACPI helpers

There are two methods under VPC2004 which is used to access VDAT/VCMD of EC
register. Add helpers for read and write these two registers.

And add read_method_int for reading the return value from ACPI methods which
requires no parameter.

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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