linux-kernel - Re: [RFC 0/4] Intel Integrated Sensor Hub Support (ISH)

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Date:	Thu, 02 Jun 2016 07:35:35 -0700
From:	me@...ielturton.net
To:	linux-kernel@...r.kernel.org
Subject: Re: [RFC 0/4] Intel Integrated Sensor Hub Support (ISH)

Hello,

My thanks to you and your team for releasing this patch to get the sensor
hubs up and running on Linux machines.

I've compiled a new kernel with the patches you've provided, but it appears
that it's not being detected just yet. I have a Thinkpad 460 Yoga that I'm
testing on.

 From the compile log for the custom kernel:

  CC      drivers/hid/intel-ish-hid/ipc/pci-ish.o
  CC      fs/proc/vmcore.o
  CC [M]  net/netfilter/xt_TCPOPTSTRIP.o
  CC [M]  drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.o
  CC      drivers/hid/intel-ish-hid/ishtp-hid.o
  CC [M]  net/rds/connection.o
  CC [M]  net/netfilter/xt_TEE.o
  CC      fs/proc/kmsg.o
  CC      drivers/hid/intel-ish-hid/ishtp-hid-client.o
  CC      fs/proc/page.o
  CC [M]  drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.o

  LD      drivers/hid/intel-ish-hid/intel-ishtp.o
  LD      drivers/hid/intel-ish-hid/intel-ish-ipc.o
  LD      drivers/hid/intel-ish-hid/intel-ishtp-hid.o
  LD      drivers/hid/intel-ish-hid/built-in.o
  LD      drivers/hid/usbhid/built-in.o
  CC [M]  drivers/hid/usbhid/hid-core.o

  LD      fs/proc/proc.o
  LD      fs/proc/built-in.o
  CC      fs/pstore/inode.o
  CC [M]  net/netfilter/xt_TRACE.o
  CC [M]  drivers/gpu/drm/amd/amdgpu/cz_smc.o
  CC [M]  net/rds/info.o
  CC [M]  net/netfilter/xt_IDLETIMER.o
  CC      fs/pstore/platform.o
  CC [M]  drivers/hid/usbhid/hid-quirks.o

 From lspci -vvvnn:

00:13.0 Non-VGA unclassified device [0000]: Intel Corporation Device
[8086:9d35] (rev 21)
        Subsystem: Lenovo Device [17aa:504c]
        Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Interrupt: pin A routed to IRQ 255
        Region 0: Memory at d564b000 (64-bit, non-prefetchable)
[disabled] [size=4K]
        Capabilities: [80] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0
PME-

not much mention from dmesg unfortunately when checking for the hardware
id:

[    0.453834] pci 0000:00:13.0: [8086:9d35] type 00 class 0x000000
[    0.453853] pci 0000:00:13.0: reg 0x10: [mem 0xd564b000-0xd564bfff
64bit]

Please let me know what other information I can provide to help narrow the
issue down, or if there's something that I may be doing incorrectly.

Thanks!

Daniel Turton