linux.git/drivers/platform/x86/dell, branch master Linux kernel source tree platform/x86: dell-ddv: Use new buffer-based WMI API 2026-06-12T13:01:48+00:00 Armin Wolf W_Armin@gmx.de 2026-06-10T20:34:49+00:00 7fced293bbd00ee8d20eaf4654849ac9ff332973 Use the new buffer-based WMI API to also support ACPI firmware implementations that do not use ACPI intergers/strings/packages for exchanging data. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://patch.msgid.link/20260610203453.816254-6-W_Armin@gmx.de Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 
Use the new buffer-based WMI API to also support ACPI firmware
implementations that do not use ACPI intergers/strings/packages
for exchanging data.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260610203453.816254-6-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
platform/x86: dell-wmi-base: Use new buffer-based WMI API 2026-06-12T13:01:47+00:00 Armin Wolf W_Armin@gmx.de 2026-06-10T20:34:48+00:00 982b0e683aa3b1d20b1512cde53207ba1c80e22b Use the new buffer-based WMI API to also support ACPI firmware implementations that do not use ACPI buffers for the event data. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://patch.msgid.link/20260610203453.816254-5-W_Armin@gmx.de Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 
Use the new buffer-based WMI API to also support ACPI firmware
implementations that do not use ACPI buffers for the event data.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260610203453.816254-5-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
platform/x86: dell-smbios-wmi: Use new buffer-based WMI API 2026-06-12T13:01:46+00:00 Armin Wolf W_Armin@gmx.de 2026-06-10T20:34:47+00:00 6f918e3d95c9b0b4e6a6881692a9b5f9bf0f36b0 Use the new buffer-based WMI API to also support ACPI firmware implementations that do not use ACPI buffers for returning the results of a SMBIOS call. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://patch.msgid.link/20260610203453.816254-4-W_Armin@gmx.de Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 
Use the new buffer-based WMI API to also support ACPI firmware
implementations that do not use ACPI buffers for returning the
results of a SMBIOS call.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260610203453.816254-4-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
platform/x86: dell-privacy: Use new buffer-based WMI API 2026-06-12T13:01:44+00:00 Armin Wolf W_Armin@gmx.de 2026-06-10T20:34:46+00:00 1719340487e63da13f2ac25e488c72737a545772 Use the new buffer-based WMI API to also support ACPI firmware implementations that do not use ACPI buffers for the device state. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://patch.msgid.link/20260610203453.816254-3-W_Armin@gmx.de Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 
Use the new buffer-based WMI API to also support ACPI firmware
implementations that do not use ACPI buffers for the device state.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260610203453.816254-3-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
platform/x86: dell-descriptor: Use new buffer-based WMI API 2026-06-12T13:01:42+00:00 Armin Wolf W_Armin@gmx.de 2026-06-10T20:34:45+00:00 0f2d6a308210caaa5e0ebf9c085d87f4a2c06bfa Use the new buffer-based WMI API to also support ACPI firmware implementations that do not use ACPI buffers for the descriptor. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://patch.msgid.link/20260610203453.816254-2-W_Armin@gmx.de Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 
Use the new buffer-based WMI API to also support ACPI firmware
implementations that do not use ACPI buffers for the descriptor.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260610203453.816254-2-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
platform/x86: dell-privacy: correct CONFIG_DELL_WMI_PRIVACY macro name in comments 2026-06-11T11:54:45+00:00 Ethan Nelson-Moore enelsonmoore@gmail.com 2026-06-11T00:12:34+00:00 25fbff92dd485eb15eaf1aa7252a99fcaabfef5e Comments in drivers/platform/x86/dell/dell-wmi-privacy.h incorrectly refer to CONFIG_DELL_PRIVACY instead of CONFIG_DELL_WMI_PRIVACY. Correct them. Discovered while searching for CONFIG_* symbols referenced in code but not defined in any Kconfig file. Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com> Link: https://patch.msgid.link/20260611001238.391045-1-enelsonmoore@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 
Comments in drivers/platform/x86/dell/dell-wmi-privacy.h incorrectly
refer to CONFIG_DELL_PRIVACY instead of CONFIG_DELL_WMI_PRIVACY.
Correct them.

Discovered while searching for CONFIG_* symbols referenced in code but
not defined in any Kconfig file.

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Link: https://patch.msgid.link/20260611001238.391045-1-enelsonmoore@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
platform/x86: dell-laptop: fix missing cleanups in init error path 2026-06-10T11:29:19+00:00 Haoxiang Li lihaoxiang@isrc.iscas.ac.cn 2026-06-09T08:14:19+00:00 6e9cab2247e5b243ae2d907ce7c948a8a9c8d61a dell_init() initializes several resources after dell_setup_rfkill(), including the optional touchpad LED, keyboard backlight LED, battery hook, debugfs directory and dell-laptop notifier. If a later LED or backlight registration fails, the error path only tears down the battery hook and rfkill resources. This leaves the notifier, debugfs directory, keyboard backlight LED and optional touchpad LED registered after dell_init() returns an error. Add the missing cleanup calls before tearing down rfkill. Fixes: 9c656b07997f ("platform/x86: dell-*: Call new led hw_changed API on kbd brightness change") Fixes: 037accfa14b2 ("dell-laptop: Add debugfs support") Fixes: 2d8b90be4f1c ("dell-laptop: support Synaptics/Alps touchpad led") Fixes: 6cff8d60aa0a ("platform: x86: dell-laptop: Add support for keyboard backlight") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn> Link: https://patch.msgid.link/20260609081419.1995169-1-lihaoxiang@isrc.iscas.ac.cn Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 
dell_init() initializes several resources after dell_setup_rfkill(),
including the optional touchpad LED, keyboard backlight LED, battery
hook, debugfs directory and dell-laptop notifier.

If a later LED or backlight registration fails, the error path only
tears down the battery hook and rfkill resources. This leaves the
notifier, debugfs directory, keyboard backlight LED and optional
touchpad LED registered after dell_init() returns an error.

Add the missing cleanup calls before tearing down rfkill.

Fixes: 9c656b07997f ("platform/x86: dell-*: Call new led hw_changed API on kbd brightness change")
Fixes: 037accfa14b2 ("dell-laptop: Add debugfs support")
Fixes: 2d8b90be4f1c ("dell-laptop: support Synaptics/Alps touchpad led")
Fixes: 6cff8d60aa0a ("platform: x86: dell-laptop: Add support for keyboard backlight")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Link: https://patch.msgid.link/20260609081419.1995169-1-lihaoxiang@isrc.iscas.ac.cn
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
platform/x86: dell-laptop: add Inspiron N5110 to touchpad LED quirk table 2026-06-09T07:35:02+00:00 Gleb Sonichev sonichev555@gmail.com 2026-05-25T10:00:47+00:00 bfe91a80b13f8068f6fa07aa8c468d284150d4ad The Inspiron N5110 needs the touchpad LED quirk (Vostro V130 quirk) to properly control the touchpad LED. Add its DMI identifier to the existing quirk table, next to the similar Inspiron M5110 entry. Tested on Dell Inspiron N5110. The touchpad LED works correctly with this quirk enabled. Signed-off-by: Gleb Sonichev <sonichev555@gmail.com> Acked-by: Pali Rohár <pali@kernel.org> Link: https://patch.msgid.link/20260525100047.20046-1-sonichev555@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 
The Inspiron N5110 needs the touchpad LED quirk (Vostro V130 quirk)
to properly control the touchpad LED. Add its DMI identifier
to the existing quirk table, next to the similar Inspiron M5110 entry.

Tested on Dell Inspiron N5110.
The touchpad LED works correctly with this quirk enabled.

Signed-off-by: Gleb Sonichev <sonichev555@gmail.com>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://patch.msgid.link/20260525100047.20046-1-sonichev555@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
platform/x86: dell-dw5826e: Add reset driver for DW5826e 2026-05-28T10:27:14+00:00 Jack Wu jackbb_wu@compal.com 2026-05-26T10:36:37+00:00 1ab843135a7795b0ef37bd7eaf01056276873fd4 If the DW5826e is in a frozen state and unable to receive USB commands, this driver provides a method for the user to reset the DW5826e via ACPI. E.g: echo 1 > /sys/bus/platform/devices/PALC0001\:00/wwan_reset Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Jack Wu <jackbb_wu@compal.com> Link: https://patch.msgid.link/20260526-dell-reset-v8-v8-1-d3a29cb4cf2f@compal.com [ij: removed default m] Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> 
If the DW5826e is in a frozen state and unable to receive USB commands,
this driver provides a method for the user to reset the DW5826e via ACPI.

E.g: echo 1 > /sys/bus/platform/devices/PALC0001\:00/wwan_reset

Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Jack Wu <jackbb_wu@compal.com>
Link: https://patch.msgid.link/20260526-dell-reset-v8-v8-1-d3a29cb4cf2f@compal.com
[ij: removed default m]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Merge branch 'fixes' into for-next 2026-05-28T10:21:45+00:00 Ilpo Järvinen ilpo.jarvinen@linux.intel.com 2026-05-28T10:21:45+00:00 0129159fcc66ee45f5b5e4322d2600681a8e22c9 Merge uniwill driver fixes to the for-next branch to be able to continue feature work there. 
Merge uniwill driver fixes to the for-next branch to be able to continue
feature work there.