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yoga-laptop

Systems and information to make Lenovo Ideapad Yoga laptops work better. Best tested for Yoga 2 Pro, but most of this works on other Ideapad Yogas. Thinkpad Yogas may need modifications, and can't use ideapad-laptop.

These systems include kernel modules, so you have to have added kernel-headers and kernel-devel to your system. For the orientation program and sensor drivers you also need to have the IIO subsystem included in your system. If you are running a kernel older than 3.13 you will very likely have problems.

1/ yoga_laptop/ideapad-laptop.c

NOT NEEDED in Fedora 20 or Fedora 19 Probably not needed in 3.16 kernels

A patch to the ideapad-laptop kernel module to make Wifi work on the Yoga 2 Pro. The ideapad-laptop moodule also handles several ACPI-related keys on the Yoga keyboard. A similar patch will be in 3.16, but one that works for the Yoga Ideapad 1 and Yoga 2 11/13/Pro. This better patch has been backported to Fedora 19 and Fedora 20 as of the end of June 2014.

To compile and install (warning - this installs a kernel module and may break your system, and has to be done each time you install a new kernel, after booting into the new kernel): make ideapad-laptop sudo make ideapad-laptop-install The installation also sets up udev rules and an xmodmap file to handle the touchpad_toggle and break keys that are not usually handled correctly.

Reboot your system to load the module

2/ sensor drivers

NOT NEEDED in 3.15 kernels or Fedora 19

Patched 3.14 drivers for five of the sensors in the Yoga laptops. The patch adds a quirk so that the hub initializes correctly. The quirk has been added to 3.15 and 3.15 should have better drivers than the ones here, so don't use these drivers with a 3.15 kernel. The 3.15 drivers also have more quirks, perhaps even the right quirk for the Thinkpad Yoga.

To compile and install (warning - this installs several kernel modules and may break your system, and has to be done each time you install a new kernel, after booting into the new kernel): make sensors-drivers sudo make sensors-drivers-install

Reboot your system to load the drivers

3/ orientation and light programs

The orientation program re-orients the screen so that the top of the screen is physically up. The program needs the hid-sensor-accel-3d sensor driver. See "docs/Orientation and rotation" for more information.

The light program adjusts the brightness of the screen in response to changes in ambient brightness. The program needs the hid-sensor-als sensor driver.

There is also a generic program that can be used to test sensors - generic_buffer.

You need to have the libXrandr-devel package installed.

To compile and install (after first compiling and installing the sensor drivers if necessary): make programs sudo make programs-install