linux-kernel - [PATCH 1/1] pci: expose SMBus on Asus notebook A6L

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Date:	Tue, 12 May 2009 12:05:23 +0200
From:	Mats Erik Andersson <mats.andersson@...ladisker.se>
To:	jbarnes@...tuousgeek.org
Cc:	linux-kernel@...r.kernel.org, trivial@...nel.org
Subject: [PATCH 1/1] pci: expose SMBus on Asus notebook A6L

From: Mats Erik Andersson <mats.andersson@...ladisker.se>

Addition of one unknown subsystem identifier to the
quirks handler for chipset i82855GM_HB on notebook
Asus A6L. This exposes the otherwise hidden SMBus
controller within the south bridge ICH4-M.

Signed-off-by: Mats Erik Andersson <mats.andersson@...ladisker.se>
---

Tried and successfully used on kernel 2.6.29 and 2.6.23.17.

--- drivers/pci/quirks.c.orig	2009-05-09 00:47:21.000000000 +0200
+++ drivers/pci/quirks.c	2009-05-12 11:20:04.000000000 +0200
@@ -1068,8 +1068,9 @@ static void __init asus_hides_smbus_host
 		else if (dev->device == PCI_DEVICE_ID_INTEL_82855GM_HB)
 			switch (dev->subsystem_device) {
 			case 0x1751: /* M2N notebook */
 			case 0x1821: /* M5N notebook */
+			case 0x1897: /* A6L notebook */
 				asus_hides_smbus = 1;
 			}
 		else if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
 			switch (dev->subsystem_device) {
--
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