Lenovo Thinkpad E550

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Hardware

root #lspci
00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated Graphics (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller (rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI Controller #1 (rev 03)
00:19.0 Ethernet controller: Intel Corporation Ethernet Connection (3) I218-V (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #1 (rev e3)
00:1c.2 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 (rev e3)
00:1c.4 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #5 (rev e3)
00:1c.5 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #6 (rev e3)
00:1d.0 USB controller: Intel Corporation Wildcat Point-LP USB EHCI Controller (rev 03)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
00:1f.6 Signal processing controller: Intel Corporation Wildcat Point-LP Thermal Management Controller (rev 03)
04:00.0 Network controller: Intel Corporation Wireless 7265 (rev 61)
05:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Opal XT [Radeon R7 M265]
06:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader (rev 01)
root #lsusb
Bus 003 Device 002: ID 8087:8001 Intel Corp. 
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 5986:055a Acer, Inc
Bus 001 Device 002: ID 04f2:b444 Chicony Electronics Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Status

Device Works Notes
CPU: Intel Core i5-5200U or i7-5500U Yes
Video: Intel HD Graphics 5500 Yes
Video: AMD Radeon R7 M265 Not tested
SATA: Intel Corporation Wildcat Point-LP SATA Controller Yes
Audio: Intel HD Audio Yes
Ethernet: Intel I218-V PCI Express Gigabit Ethernet Yes
Wireless LAN: Intel Wireless 7265 802.11ac Yes
Wireless LAN: Intel Wireless 3160 802.11ac Yes
Bluetooth: Intel Wireless 7265 802.11ac Yes
Bluetooth: Intel Wireless 3160 802.11ac Yes
Camera: Chicony Electronics Co., Ltd USB webcam Yes
Camera: Acer, Inc Yes
Fingerprint reader: Validity VFS5017 USB fingerprint reader Yes Works with sys-auth/libfprint-0.5.1-r1
SD card reader: Realtek RTS5227 PCI-E card reader Yes
SynPS/2 Synaptics TouchPad Yes
Hardware monitoring Yes
Hotkeys Yes Some have to be manually configured See also http://www.thinkwiki.org/wiki/Thinkpad-acpi#Supported_ThinkPads
Discrete TPM (TPM 1.2) Not tested Must be activated through BIOS, disables access to Intel PTT
Intel PTT (TPM 2.0) Partial A bug (allegedly from the BIOS) prevents use when IOMMU is enabled, pass intel_iommu=off at boot time to disable it

ACPI / Power Management

Function Works Notes
CPU frequency scaling Yes With laptop-mode-tools
Suspend to RAM Yes
Suspend to disk (hibernate) Yes
Display backlight control Yes

Installation

Firmware

The wireless card requires external firmware:

root #emerge --ask sys-kernel/linux-firmware

Kernel

Note
For UEFI booting, EFI framebuffer is not needed. It conflicts with Intel framebuffer and is recommended not to be built.
KERNEL 
Processor type and features  --->
  Processor family (Core 2/Newer Xeon) --->
  <*> CPU microcode loading support
  [*]   Intel microcode loading support

Power management and ACPI options  --->
  [*] ACPI (Advanced Configuration and Power Interface) Support  --->
    <*> Battery
    <*> Video
  CPU Frequency scaling  --->
    Default CPUFreq governor (userspace)
    <*> 'userspace' governor
    [*] Intel P state control

[*] Networking support  --->
  <*> Bluetooth subsystem support  --->
    Bluetooth device drivers  --->
      <*> HCI USB driver
  <*> Wireless  --->
    <*> cfg80211 - wireless configuration API
    <*> Generic IEEE 802.11 Networking Stack (mac80211)

Device Drivers  --->
  Misc devices  --->
    <*> Realtek PCI-E card reader
  SCSI device support  --->
    <*> SCSI disk support
  <*> Serial ATA and Parallel ATA drivers  --->
    <*> AHCI SATA support
  [*] Network device support  --->
    [*] Ethernet driver support  --->
      [*] Intel devices
        <*> Intel(R) PRO/1000 PCI-Express Gigabit Ethernet support
    [*] Wireless LAN  --->
      <M> Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi)
      <M> Intel Wireless WiFi MVM Firmware support
  <*> I2C support  --->
    I2C Hardware Bus support  --->
      <*> Intel 82801 (ICH/PCH)
  <*> Hardware Monitoring support  --->
    <*> Intel Core/Core2/Atom temperature sensor
  Multifunction device drivers  --->
    <*> Intel ICH LPC
  <*> Multimedia support  --->
    [*] Media USB Adapters  --->
      <*> USB Video Class (UVC)
  Graphics support  --->
    <*> Direct Rendering Manager --->
      <*> Direct Rendering Manager (XFree86 4.1.0 and higher DRI support) --->
        <*> Intel 8xx/9xx/G3x/G4x/HD Graphics
          [*] Enable modesetting on intel by default
          [*] Enable legacy fbdev support for the modesettting intel driver
    # For models with discrete AMD graphics, add the following
    [*] Laptop Hybrid Graphics - GPU switching support
    <*> Direct Rendering Manager --->
      <*> Direct Rendering Manager (XFree86 4.1.0 and higher DRI support) --->
        <*> ATI Radeon
    Console display driver support  --->
      Frame buffer Devices --->
        -*- Support for frame buffer devices --->
  <*> Sound card support  --->
    <*> Advanced Linux Sound Architecture  --->
      [*] PCI sound devices  --->
        <*> Intel HD Audio  --->
          <*> Build HDMI/DisplayPort HD-audio codec support
          <*> Build Conexant HD-audio codec support
  [*] USB support  --->
    <*> xHCI HCD (USB 3.0) support
    <*> EHCI HCD (USB 2.0) support
  <*> MMC/SD/SDIO card support
    <*> Realtek PCI-E SD/MMC Card Interface Driver
  [*] X86 Platform Specific Device Drivers  --->
    <*> ThinkPad ACPI Laptop Extras
    <*> Thinkpad Hard Drive Active Protection System (hdaps)
    <*> Intel Intelligent Power Sharing
    <*> Intel Rapid Start Technology Driver
  [*] IOMMU Hardware Support  --->
    [*] Support for Intel IOMMU using DMA Remapping Devices
    [*]  Enable Intel DMA Remapping Devices by default
    [*] Support for Interrupt Remapping

[*] Cryptographic API  --->
  <*> AES cipher algorithms (AES-NI)

Emerge

FILE /etc/portage/make.conf
CPU_FLAGS_X86="aes avx avx2 fma3 mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3"

INPUT_DEVICES="evdev synaptics"
VIDEO_CARDS="intel i965 radeon"

MAKEOPTS="-j5"

For the card reader (sys-apps/pcsc-tools):

root #emerge --ask sys-apps/pcsc-tools

For the fingerprint reader (sys-auth/libfprint):

root #emerge --ask sys-auth/libfprint

See also

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