linux-kernel - [PATCH 3.2 038/149] ACPI / EC: Add ASUSTEK L4R to quirk list in order to validate ECDT

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Date:	Mon, 21 Oct 2013 09:46:28 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Lan Tianyu" <tianyu.lan@...el.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: [PATCH 3.2 038/149] ACPI / EC: Add ASUSTEK L4R to quirk list in
 order to validate ECDT

3.2.52-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Lan Tianyu <tianyu.lan@...el.com>

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@...obrain.net>
Signed-off-by: Lan Tianyu <tianyu.lan@...el.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/acpi/ec.c | 4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -964,6 +964,10 @@ static struct dmi_system_id __initdata e
 	ec_enlarge_storm_threshold, "CLEVO hardware", {
 	DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."),
 	DMI_MATCH(DMI_PRODUCT_NAME, "M720T/M730T"),}, NULL},
+	{
+	ec_validate_ecdt, "ASUS hardware", {
+	DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek Computer Inc."),
+	DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),}, NULL},
 	{},
 };
 

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