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raphael / linux-samus

Linux 4.16 on Chromebook Pixel 2015
GNU General Public License v2.0
181 stars 36 forks source link

Fan control #117

Closed ehegnes closed 8 years ago

ehegnes commented 8 years ago

Does anybody currently have fan control working? I know that ectool can do this, but ectool stopped working for me a few kernel versions ago. It builds, but the ioctl operations sent to /dev/cros_ec fail. Sometimes the preset fan controller is not aggressive enough for my needs.

At the risk of seeming frivolously motivated, the lack of ectool also disables control over the lightbar. ;)

I'm not necessarily looking for a "fix", but since we don't have an IRC, Gitter, or some other such platform, this seems like the most appropriate (only) way to pose such a query.

raphael commented 8 years ago

As far as I know /dev/cros_ec is Pixel 2013 only and never worked with Pixel 2015.

ethanmad commented 8 years ago

@ehegnes You raise a good issue with there not being some other platform for discussion. I've created #Pixel2015 on freenode for use if we think IRC is a better medium than @raphael's issue tracker. I'll try to stay active on there if there's interest. Or, of course, we could use a different platform with someone else in charge (but I'd gladly give admin privileges if you share your nicks).

ehegnes commented 8 years ago

@ethanmad Thanks! I'll setup a bouncer for myself and join so I can stay in the channel. A mention of this channel in the README would likely be helpful! :)

I'm going to close this issue. @raphael, looking at the EC repo that houses ectool, I did find a C header file and references in the Makefile that show /dev/cros_ec as the device being used specifically for the samus board's communication with the EC, and I know it worked for me in the past. Anyway, maybe I'll reopen this later if I solve it.

ethanmad commented 8 years ago

I'll submit a PR with the channel name. I noticed something else that could using a fix in the README. Also, I should be able to provide a few accounts on my ZNC server (znc.ethanmad.com) if anyone needs a bouncer.

ehegnes commented 8 years ago

User error! All I had to do was run ectool with the --interface=lpc flag set.