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Add support for the Vexia EDU ATLA 10 tablet, Android 4.2/4.4 + Guadalinex
Ubuntu tablet distributed to schools in the Spanish Andalucía region.
Besides the usual broken DSDT issues this tablet is special because all
its LPSS island peripherals are enumerated as PCI devices rather then as
ACPI devices as they typically are.
At the same time there are disabled (_STA=0) ACPI devices for
the peripherals and child ACPI devices for e.g. attached I2C/SDIO devices
are children of these disabled ACPI devices and thus will not be used
by Linux since the parent is disabled.
So besides the usual manual i2c-client instantiation for accel/touchscreen
this tablet also requires manual i2c-client instantiation for the codec
and for the PMIC.
Also it seems the mainboard was designed for Windows not Android, so
it has an I2C attached embedded controller instead of allowing direct
access to the charger + fuel-gauge chips as is usual with Android boards.
Normally when there is an embedded controller, there also is ACPI battery
support, but since this shipped with Android that is missing and Linux
needs to have a power_supply class driver talking directly to the EC.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20241104200848.58693-4-hdegoede@redhat.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Merge "hwmon fixes for v6.11-rc7" into review-hans to bring in
commit a54da9df75cd ("hwmon: (hp-wmi-sensors) Check if WMI event
data exists").
This is a dependency for a set of WMI event data refactoring changes.
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Fix spelling across comments (besides obvious grammar issues):
- spell words in full, e.g., 'img' --> 'image'
- refer to 'gpio-keys' consistently
- refer to acpi_power_off() clearly as to function
- make sure that the first line is only for the affected model(s)
- miscellaneous improvements
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240902150625.2722187-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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less strict
There are 2G and 4G RAM versions of the Lenovo Yoga Tab 3 X90F and it
turns out that the 2G version has a DMI product name of
"CHERRYVIEW D1 PLATFORM" where as the 4G version has
"CHERRYVIEW C0 PLATFORM". The sys-vendor + product-version check are
unique enough that the product-name check is not necessary.
Drop the product-name check so that the existing DMI match for the 4G
RAM version also matches the 2G RAM version.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240825132415.8307-1-hdegoede@redhat.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The Lenovo Yoga Tablet 2 Pro 1380F/L is a x86 ACPI tablet which ships with
Android x86 as factory OS. Its DSDT contains a bunch of I2C devices which
are not actually there, causing various resource conflicts. Enumeration of
these is skipped through the acpi_quirk_skip_i2c_client_enumeration().
Add support for manually instantiating the I2C + other devices which are
actually present on this tablet by adding the necessary device info to
the x86-android-tablets module.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240406125058.13624-2-hdegoede@redhat.com
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Cyberbook T116
The Cyberbook T116 rugged tablet comes in both Windows and Android versions
and even on the Android version the DSDT is mostly sane. This tablet has
2 extra general purpose buttons in the row with the power + volume-buttons,
labeled P and F.
Use the x86-android-tablets infra to create a gpio-button device for these
2 extra buttons.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230505205901.42649-2-hdegoede@redhat.com
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The Nextbook Ares 8A is a x86 ACPI tablet which ships with Android x86
as factory OS. Its DSDT contains a bunch of I2C devices which are not
actually there, causing various resource conflicts. Enumeration of these
is skipped through the acpi_quirk_skip_i2c_client_enumeration().
Add support for manually instantiating the I2C devices which are
actually present on this tablet by adding the necessary device info to
the x86-android-tablets module.
Note the Ares 8A is the Cherry Trail (CHT) model, the regular Ares 8
is Bay Trail (BYT) based and was already supported. This also updates
the comments for the BYT model to point out this is the BYT model.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230429105057.7697-3-hdegoede@redhat.com
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The Lenovo Yoga Book X90F/L is a x86 ACPI tablet which ships with Android
x86 as factory OS. Its DSDT contains a bunch of I2C devices which are not
actually there, causing various resource conflicts. Enumeration of these
is skipped through the acpi_quirk_skip_i2c_client_enumeration().
Add support for manually instantiating the I2C + other devices which are
actually present on this tablet by adding the necessary device info to
the x86-android-tablets module.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230401150737.597417-3-hdegoede@redhat.com
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models only
When support for instantiating an i2c-client for the fuel-gauge was
added for the Windows based Yoga Book YB1-X91F/L models, the assumption
was made that this would apply to the Android based YB1-X90F/L models too.
But these have a completely different BIOS with completely different DMI
strings. Update the existing YB1-X91 support to reflect that it only
applies to the YB1-X91F/L models.
Cc: Yauhen Kharuzhy <jekhor@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230301092331.7038-15-hdegoede@redhat.com
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C1010
The Peaq C1010 tablet has a special "Dolby" button. This button has
a WMI interface, but this is broken in several ways:
1. It only supports polling
2. The value read on polling goes from 0 -> 1 for one poll on both edges
of the button, with no way to tell which edge causes the poll to
return 1.
3. It uses a non unique GUID (it uses the Microsoft docs WMI example GUID).
There currently is a WMI driver for this, but it uses several kludges
to work around these issues and is not entirely reliable due to 2.
Replace the unreliable WMI driver by using the x86-android-tablets code
to instantiate a gpio_keys device for this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230301092331.7038-11-hdegoede@redhat.com
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In order to have a single MODULE_DEVICE_TABLE(dmi, ...), while allowing
splitting the board descriptions into multiple files, add a new separate
file for the DMI match table.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230301092331.7038-5-hdegoede@redhat.com
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