3.8.13.10 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Lan Tianyu <[email protected]>

commit 524f42fab787a9510be826ce3d736b56d454ac6d upstream.

The ECDT of ASUSTEK L4R doesn't provide correct command and data
I/O ports.  The DSDT provides the correct information instead.

For this reason, add this machine to quirk list for ECDT validation
and use the EC information from the DSDT.

[rjw: Changelog]
References: https://bugzilla.kernel.org/show_bug.cgi?id=60765
Reported-and-tested-by: Daniele Esposti <[email protected]>
Signed-off-by: Lan Tianyu <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 drivers/acpi/ec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index bbb6d47..0b58c9d 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -987,6 +987,10 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
        ec_skip_dsdt_scan, "HP Folio 13", {
        DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
        DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13"),}, NULL},
+       {
+       ec_validate_ecdt, "ASUS hardware", {
+       DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek Computer Inc."),
+       DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),}, NULL},
        {},
 };
 
-- 
1.8.1.2

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