[PATCH 024/104] ACPI / EC: Add ASUSTEK L4R to quirk list in order to validate ECDT

[Luis Henriques]

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

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

From: Lan Tianyu <tianyu.lan@xxxxxxxxx>

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 <expo@xxxxxxxxxxxxx>
Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
 drivers/acpi/ec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 3251d4b..d1a9674 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -978,6 +978,10 @@ 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},
 	{},
 };
 
-- 
1.8.3.2

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