[Help] Need some help from a C740 user running Linux.

On CB5-571 (also broadwell):

lol@lol-Auron-Yuna:~$ lsmod Module Size Used by ctr 16384 1 ccm 20480 1 zram 28672 4 lz4_compress 16384 1 zram intel_rapl 20480 0 iosf_mbi 16384 1 intel_rapl x86_pkg_temp_thermal 16384 0 intel_powerclamp 20480 0 coretemp 16384 0 kvm_intel 159744 0 kvm 512000 1 kvm_intel joydev 20480 0 arc4 16384 2 crct10dif_pclmul 16384 0 crc32_pclmul 16384 0 ghash_clmulni_intel 16384 0 aesni_intel 172032 2 aes_x86_64 20480 1 aesni_intel snd_hda_codec_hdmi 53248 1 lrw 16384 1 aesni_intel gf128mul 16384 1 lrw glue_helper 16384 1 aesni_intel snd_hda_codec_realtek 81920 1 ablk_helper 16384 1 aesni_intel cryptd 24576 3 ghash_clmulni_intel,aesni_intel,ablk_helper snd_hda_codec_generic 73728 1 snd_hda_codec_realtek snd_hda_intel 32768 5 snd_hda_controller 36864 1 snd_hda_intel snd_hda_codec 147456 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller uvcvideo 94208 0 videobuf2_vmalloc 16384 1 uvcvideo snd_hwdep 16384 1 snd_hda_codec videobuf2_memops 16384 1 videobuf2_vmalloc videobuf2_core 53248 1 uvcvideo v4l2_common 16384 1 videobuf2_core snd_pcm 110592 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller videodev 163840 3 uvcvideo,v4l2_common,videobuf2_core iwlmvm 299008 0 media 24576 2 uvcvideo,videodev mac80211 774144 1 iwlmvm snd_seq_midi 16384 0 snd_seq_midi_event 16384 1 snd_seq_midi snd_rawmidi 32768 1 snd_seq_midi rfcomm 77824 8 btusb 45056 0 iwlwifi 208896 1 iwlmvm bnep 24576 2 bluetooth 524288 22 bnep,btusb,rfcomm serio_raw 16384 0 snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi 8250_fintek 16384 0 snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi snd_timer 32768 2 snd_pcm,snd_seq lpc_ich 24576 0 tpm_infineon 20480 0 elan_i2c 36864 0 cfg80211 581632 3 iwlwifi,mac80211,iwlmvm dw_dmac 16384 0 snd_soc_sst_acpi 16384 0 dw_dmac_core 28672 1 dw_dmac 8250_dw 16384 0 snd 86016 21 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device i2c_designware_platform 16384 0 i2c_designware_core 16384 1 i2c_designware_platform spi_pxa2xx_platform 24576 0 mac_hid 16384 0 shpchp 40960 0 soundcore 16384 2 snd,snd_hda_codec parport_pc 36864 0 ppdev 20480 0 lp 20480 0 parport 45056 3 lp,ppdev,parport_pc i915 1126400 4 video 28672 1 i915 i2c_algo_bit 16384 1 i915 drm_kms_helper 126976 1 i915 drm 352256 5 i915,drm_kms_helper ahci 36864 2 libahci 32768 1 ahci sdhci_acpi 16384 0 sdhci 45056 1 sdhci_acpi lol@lol-Auron-Yuna:~$ 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) 00:1b.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) 00:1f.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.6 Signal processing controller: Intel Corporation Wildcat Point-LP Thermal Management Controller (rev 03) 01:00.0 Network controller: Intel Corporation Wireless 7260 (rev cb) lol@lol-Auron-Yuna:~$ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 8087:07dc Intel Corp. Bus 001 Device 002: ID 04f2:b490 Chicony Electronics Co., Ltd Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

DSDT file (there were no other DSDT files): http://s000.tinyupload.com/index.php?file_id=16877215304200055714

Hope this is of use to you!

/r/chrubuntu Thread