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commit a7990957fa53326fe9b47f0349373ed99bb69aaa upstream.
Some machines like the Dell G15 5155 emit WMI events when
suspending/resuming. Ignore those WMI events.
Tested-by: siddharth.manthan@gmail.com
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20241014220529.397390-1-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 83bcf3e52e9cfc727df33f1055ef0618c91719d0 ]
Some platforms send the speaker-mute key from EC. dell-wmi can't
recognize it.
Add a new keymap for KEY_MUTE in type 0x0010 table.
Signed-off-by: Koba Ko <koba.ko@canonical.com>
Link: https://lore.kernel.org/r/20230117123436.200440-1-koba.ko@canonical.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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It looks like that on Dell Latitude E6440 is WMI event 0x0012 0x0003 sent
when display changes brightness. When it happens kernel prints
"dell_wmi: Unknown WMI event type 0x12" message into dmesg.
So ignore it for now to not spam dmesg.
Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20220827133040.15932-1-pali@kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Adds support for:
- Dell Inspiron 2in1 tablet mode switch notifications. These are
delivered by a type 0x0011 message with code 0xe070, followed by a
flag (1 for laptop mode, 0 for tablet mode).
- Recognising (but not otherwise processing) the Dell Ultra Performance
mode request switch. This is delivered by a type 0x0012 message with
code 0x000d, followed by a parameter that is either 1 or 2. It is
not clear what (if anything) should be done with this notification, so
it is ignored.
Signed-off-by: Troy Rollo <linux2021@troy.rollo.name>
Link: https://lore.kernel.org/r/20210918073131.2966942-1-linux2021@troy.rollo.name
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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add support for Dell privacy driver for the Dell units equipped
hardware privacy design, which protect users privacy of audio and
camera from hardware level. Once the audio or camera privacy mode
activated, any applications will not get any audio or video stream
when user pressed ctrl+F4 hotkey, audio privacy mode will be
enabled, micmute led will be also changed accordingly
The micmute led is fully controlled by hardware & EC(embedded controller)
and camera mute hotkey is Ctrl+F9. Currently design only emits
SW_CAMERA_LENS_COVER event while the camera lens shutter will be
changed by EC & HW(hardware) control
*The flow is like this:
1) User presses key. HW does stuff with this key (timeout timer is started)
2) WMI event is emitted from BIOS to kernel
3) WMI event is received by dell-privacy
4) KEY_MICMUTE emitted from dell-privacy
5) Userland picks up key and modifies kcontrol for SW mute
6) Codec kernel driver catches and calls ledtrig_audio_set
7) dell-privacy notifies EC, the timeout is cancelled and the HW mute
is activated. If the EC is not notified then the HW mic mute will
activate when the timeout triggers, just a bit later than with the
active ack.
Signed-off-by: Perry Yuan <perry_yuan@dell.com>
Link: https://lore.kernel.org/r/20210506115605.1504-1-Perry_Yuan@Dell.com
[hdegoede@redhat.com: Rework Kconfig/Makefile bits + other small fixups]
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Rename dell-wmi.c to dell-wmi-base.c, so that we can have other
dell-wmi-foo.c files which can be added to dell-wmi.ko as "plugins"
controlled by separate boolean Kconfig options.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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