Apple Macbook Pro Retina 13-inch (early 2013)

General Platform Notes
These instructions cover the Macbook Pro with Retina Display, 13" model. This model does not have the dual graphics cards and only has the Intel HD 4000 card. It has the model code 10,2

lspci and lsusb
lspci -nn : 00:00.0 Host bridge [0600]: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154] (rev 09) 00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port [8086:0151] (rev 09) 00:01.1 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port [8086:0155] (rev 09) 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) 00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04) 00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04) 00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04) 00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04) 00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4) 00:1c.1 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 [8086:1e12] (rev c4) 00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04) 00:1f.0 ISA bridge [0601]: Intel Corporation QS77 Express Chipset LPC Controller [8086:1e56] (rev 04) 00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04) 00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04) 02:00.0 Ethernet controller [0200]: Broadcom Corporation Device [14e4:16a3] (rev 21) 02:00.1 SD Host controller [0805]: Broadcom Corporation NetXtreme BCM57765 Memory Card Reader [14e4:16bc] (rev 21) 03:00.0 Network controller [0280]: Broadcom Corporation BCM4331 802.11a/b/g/n [14e4:4331] (rev 02)

lsusb Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 05ac:8510 Apple, Inc. Bus 002 Device 003: ID 0424:2512 Standard Microsystems Corp. USB 2.0 Hub Bus 002 Device 008: ID 05ac:828c Apple, Inc. Bus 002 Device 004: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth) Bus 002 Device 005: ID 05ac:0259 Apple, Inc.

Display
This xorg.conf work: Section "ServerLayout" Identifier    "Layout0" Screen     0  "Screen0" InputDevice   "Keyboard0" "CoreKeyboard" InputDevice   "Mouse0" "CorePointer" EndSection Section "Files" EndSection Section "InputDevice" # generated from data in "/etc/conf.d/gpm" Identifier    "Mouse0" Driver        "mouse" Option        "Protocol" Option        "Device" "/dev/input/mice" Option        "Emulate3Buttons" "no" Option        "ZAxisMapping" "4 5" EndSection Section "InputClass" Identifier     "Touchpads" MatchIsTouchpad "on" Driver         "mtrack" Option         "Sensitivity" "0.65" Option         "IgnoreThumb" "true" Option         "IgnorePalm" "true" Option         "TapButton1" "1" Option         "TapButton2" "3" Option         "TapButton3" "2" Option         "ClickFinger1" "1" Option         "ClickFinger2" "3" Option         "ClickFinger3" "2" Option         "BottomEdge" "25" EndSection Section "InputDevice" Identifier    "Keyboard0" Driver        "kbd" EndSection Section "Monitor" Identifier    "Monitor0" VendorName    "Unknown" ModelName     "Unknown" Option        "DPMS" EndSection Section "Device" Identifier    "Device0" Driver        "intel" Option     "AccelMethod"  "sna" BusID         "PCI:0:2:0" VendorName    "Intel" EndSection Section "Screen" Identifier    "Screen0" Device        "Device0" Monitor       "Monitor0" DefaultDepth   24 SubSection    "Display" Depth      24 EndSubSection SubSection "Display" Depth 24 Modes "2880x1800" EndSubSection option "PreferredMode" "2880x1800" EndSection
 * 1)    InputDevice    "Touchpads" "CorePointer"

To set the backlight level, use KDE/Gnome or this command:

echo 800 > /sys/class/backlight/gmux_backlight/brightness