diff mbox

[2/5] sony-laptop: Enable EC on newer hardware

Message ID 20090324004817.GB2252@srcf.ucam.org (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Matthew Garrett March 24, 2009, 12:48 a.m. UTC 
The latest Vaios can execute certain codepaths in two ways - either using
system management mode or using pure ACPI methods. The latter is only used
if the OS has called the ECON method. Ensure that this is done where the
method is available.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
 drivers/platform/x86/sony-laptop.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index ebe7ea6..130f81a 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -947,6 +947,12 @@  static int sony_nc_resume(struct acpi_device *device)
 		}
 	}
 
+	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
+					 &handle))) {
+		if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
+			dprintk("ECON Method failed\n");
+	}
+
 	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
 					 &handle))) {
 		dprintk("Doing SNC setup\n");
@@ -1004,6 +1010,12 @@  static int sony_nc_add(struct acpi_device *device)
 			dprintk("_INI Method failed\n");
 	}
 
+	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
+					 &handle))) {
+		if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
+			dprintk("ECON Method failed\n");
+	}
+
 	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
 					 &handle))) {
 		dprintk("Doing SNC setup\n");