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platform/x86: msi-wmi-platform: Fix typo in WMI GUID

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[ Upstream commit 97b726eb1d ]

The WMI driver core only supports GUID strings containing only
uppercase characters, however the GUID string used by the
msi-wmi-platform driver contains a single lowercase character.
This prevents the WMI driver core from matching said driver to
its WMI device.

Fix this by turning the lowercase character into a uppercase
character. Also update the WMI driver development guide to warn
about this.

Reported-by: Antheas Kapenekakis <lkml@antheas.dev>
Fixes: 9c0beb6b29 ("platform/x86: wmi: Add MSI WMI Platform driver")
Tested-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20251110111253.16204-3-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Armin Wolf
2025-11-10 12:12:53 +01:00
committed by Greg Kroah-Hartman
parent 243e2419cf
commit 03f159df3e
2 changed files with 2 additions and 1 deletions
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1
Documentation/wmi/driver-development-guide.rst
View File

@@ -50,6 +50,7 @@ to matching WMI devices using a struct wmi_device_id table:
::
static const struct wmi_device_id foo_id_table[] = {
/* Only use uppercase letters! */
{ "936DA01F-9ABD-4D9D-80C7-02AF85C822A8", NULL },
{ }
};

2
drivers/platform/x86/msi-wmi-platform.c
View File

@@ -29,7 +29,7 @@
#define DRIVER_NAME "msi-wmi-platform"
#define MSI_PLATFORM_GUID "ABBC0F6E-8EA1-11d1-00A0-C90629100000"
#define MSI_PLATFORM_GUID "ABBC0F6E-8EA1-11D1-00A0-C90629100000"
#define MSI_WMI_PLATFORM_INTERFACE_VERSION 2