linux-kernel - [PATCH] thinkpad-acpi: recognize latest V-Series using DMI_BIOS

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Date:	Mon,  6 Aug 2012 16:23:20 -0500
From:	manoj.iyer@...onical.com
To:	linux-kernel@...r.kernel.org
Cc:	ibm-acpi-devel@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org, mjg@...hat.com,
	ibm-acpi@....eng.br
Subject: [PATCH] thinkpad-acpi: recognize latest V-Series using DMI_BIOS_VENDOR

From: Manoj Iyer <manoj.iyer@...onical.com>

In the latest V-series bios DMI_PRODUCT_VERSION does not contain
the string Lenovo or Thinkpad, but is set to the model number, this
causes the thinkpad_acpi module to fail to load. Recognize laptop
as Lenovo using DMI_BIOS_VENDOR instead, which is set to Lenovo.

Signed-off-by: Manoj Iyer <manoj.iyer@...onical.com>
---
 drivers/platform/x86/thinkpad_acpi.c |   13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index e7f7328..17692c8 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -8658,11 +8658,16 @@ static int __must_check __init get_thinkpad_model_data(
 	}
 
 	s = dmi_get_system_info(DMI_PRODUCT_VERSION);
-	if (s && !(strnicmp(s, "ThinkPad", 8) && strnicmp(s, "Lenovo", 6))) {
+	if (s && !(strnicmp(s, "ThinkPad", 8) && strnicmp(s, "Lenovo", 6)))
 		tp->model_str = kstrdup(s, GFP_KERNEL);
-		if (!tp->model_str)
-			return -ENOMEM;
-	}
+	else {
+		s = dmi_get_system_info(DMI_BIOS_VENDOR);
+		if (s && !(strnicmp(s, "Lenovo", 6)))
+			tp->model_str = kstrdup(s, GFP_KERNEL);
+	} 
+
+	if (!tp->model_str)
+		return -ENOMEM;
 
 	s = dmi_get_system_info(DMI_PRODUCT_NAME);
 	tp->nummodel_str = kstrdup(s, GFP_KERNEL);
-- 
1.7.9.5

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