I've made a repository with binary (x86_64 only) and source RPM packages which are missing from Red Hat Enterprise Linux 7 and necessary when using a MacBook Air. To install execute the commands below:
cd /etc/yum.repos.d/ wget https://s3.amazonaws.com/atodorov/rpms/macbook/el7/rhel7-macbook.repo
yum install kmod-wl
Display backlight driver
yum install kmod-mba6x_bl
Note: the .spec file is available from RP #26.
Fixing keyboard mapping
yum install mba-kbd-fix