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authorSeth Forshee <seth.forshee@canonical.com>2012-01-18 23:44:08 +0400
committerMatthew Garrett <mjg@redhat.com>2012-03-20 20:14:25 +0400
commit3e2abc5a35d25442821e1733687b7abbc83b5072 (patch)
treeb20d167e7211e8ac75000b0fbe27cf16abe121cf /drivers/acpi/ec.c
parent7714567c87f43862d3d7049ed2907567be3e50c3 (diff)
downloadlinux-3e2abc5a35d25442821e1733687b7abbc83b5072.tar.xz
ACPI: EC: Add ec_get_handle()
toshiba_acpi needs to execute an AML method within the EC namespace to make hotkeys work on some platforms. Provide an interface to allow it to easily get a handle to the EC namespace for this purpose. Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/acpi/ec.c')
-rw-r--r--drivers/acpi/ec.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index b19a18dd994f..e37615f310d7 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -445,6 +445,16 @@ int ec_transaction(u8 command,
EXPORT_SYMBOL(ec_transaction);
+/* Get the handle to the EC device */
+acpi_handle ec_get_handle(void)
+{
+ if (!first_ec)
+ return NULL;
+ return first_ec->handle;
+}
+
+EXPORT_SYMBOL(ec_get_handle);
+
void acpi_ec_block_transactions(void)
{
struct acpi_ec *ec = first_ec;