[maverick-SRU][PATCH] UBUNTU: dell-laptop: Add another Dell laptop family to the DMI whitelist

Kamal Mostafa kamal at canonical.com
Mon Jan 24 23:41:31 UTC 2011

(Resubmit with rtg's corrections and Ack)

SRU Justification:

Impact: We need this patch to fix Wi-fi kill switch behavior on some
upcoming Dell systems.  I submitted the patch to stable on 2010-12-22,
where it is still pending review.

Fix: The following patch is taken from upstream and is included in >=

Testcase: We have tested this patch internally (LP: #687526).


commit f5d19c5d6db2226f5561292b06d42d74ea64bfff
Author: Rezwanul Kabir <Rezwanul_Kabir at dell.com>
Date:   Wed Jun 23 12:02:43 2010 -0500

    UBUNTU: dell-laptop: Add another Dell laptop family to the DMI whitelist
    This is to support Precision M4500 and others.
    BugLink: http://bugs.launchpad.net/bugs/693078
    Signed-off-by: Rezwanul Kabir <Rezwanul_Kabir at dell.com>
    Signed-off-by: Matthew Garrett <mjg at redhat.com>
    (cherry picked from commit 410d44c74cf9942e3055d5b7d73953fac8efbacb)
    Signed-off-by: Kamal Mostafa <kamal at canonical.com>
    Acked-by: Tim Gardner <tim.gardner at canonical.com>

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 6110601..0fb56e0 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -83,6 +83,12 @@ static const struct dmi_system_id __initdata dell_device_table[] = {
+		.matches = {
+			DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /*Laptop*/
+		},
+	},
+	{
 		.ident = "Dell Computer Corporation",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
@@ -628,4 +634,5 @@ MODULE_AUTHOR("Matthew Garrett <mjg at redhat.com>");
 MODULE_DESCRIPTION("Dell laptop driver");

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