Apollo Lake Platform Validation #364
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On Acer Chromebook 15 (SAND) with chrx / kernel 4.8.17-galliumos, 4.12.0-galliumos (testing repo)
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I have one of these as well, am currently trying to get Write Protect disabled so I have unscrewed the indicated one but still no go, any hints? Have run the RW_LEGACY flash from MrChromebox and will hopefully try to boot Live GalliumOS tomorrow. |
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@perphilip Hi there i have just purchased one of these as well. Model Specific (CB515-1HT-C1W7) Could you tell me where this particular screw is located on this device>? Thanks in advance merry x-mas & best regards from the Netherlands. |
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The firmware hardware write protect on ApolloLake devices is controlled by the battery sense pin, so to disable WP, simply boot the device without the battery connected (obv. AC power is required). Note that it may take a few extra seconds to power on/boot in this config. |
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@mattdevo Thank you very much for this useful reply, i'm really grateful for the information. This is the first ever Chromebook i have purchased so i´m kind of new to this system, so after doing some basic research i can conclude that for now on the (Apollolake) i can only boot Linux via Crouton or using the LegacyUSB method, i have updated the firmware to allow LegacyUSB support and i booted various Distro´s with many problems facing, however after i booted Gallium (Braswell optimized image) from the USB-Drive, it worked pretty well, however the only problem i faced is that i cannot get any sound output to work... Would be absolutely awesome if i could get the sound to output. @mattdevo Firmware available (in testing) Does this mean that a full fw is in testing? Keep up the great work! Thank you god bless you and Happy holidays! |
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Signed up to say thanks in advance. I'm new to github and not familiar with writing code but would like to contribute somehow. Best I can think of is being a guinea pig and beta test. I kno my way around linux at least from the user perspective. Or if theirs any other way I can contribute, let me know. |
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Took a bit of a break for the holidays but here are my findings so far. On Acer Chromebook 15 (2017) (SAND) (CB515-1HT-P39B) with updated RW_LEGACY support from MrChromebox / using the GalliumOS install for SkyLake and kernel 4.12.0-galliumos from the testing repo:
If I run Ubuntu 17.10 (Budgie) or 18.04LTS I get:
It turns out there is no screw, as stated above, I have however not had any luck in getting my CB too boot with the battery unplugged, it starts up and blinks a couple of times but nothing happens. To get past the issue of the missing DeveloperMode-flags I created a bootable usb-drive using Is there anything else I can try that would be helpful? |
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@perphilip When you booted without the battery connected and it blinks a couple of times did you try pressing Ctrl-D? It wasn't clear to me if you were getting to developer mode or not. |
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@davidthewatson I can´t remember clearly. I am fairly sure I did but will have to try again to verify. As far as I can remember the whole machine was completely unresponsive and then shut down. Does anyone have any idea what is needed to enable sound on this one, is it "just" a missing driver? |
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I'm pretty sure that the missing driver is the SSP clock driver, which appears to be hitting the mainline kernel in 4.16. I've attempted to build 4.16-rc3 after applying the patches from the 4.14.14 galliumos directory (with some modifications to fix the build) and using the 4.14.14 config, but end up with a black screen when trying to boot it. The module is snd_skl_ssp_clk which you can see if you run "lsmod" in ChromeOS, but which is missing from GalliumOS. I do know that the clock driver is required for sound to work on my (REEF) hardware. |
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Running Lubuntu with mainline 4.16 kernel via chrx does allow for more functionality beyond the normal kernel for 17.10 such as touchpad, some function keys, and touchscreen but sound is still not showing up in PulseAudio. This is on the Acer Chromebook 15 SAND |
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Is there any way to get the sound working? |
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@beli3ver I've been using a pair of Bluetooth headphones as Bluetooth is functional on Apollo Lake. You could probably also see if a USB adapter would work. |
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Do you use GalliumOS or did you use a other distro with the bluetooth headphones. |
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@beli3ver I use GalliumOS with testing and prerelease enabled. Bluetooth drivers for PulseAudio are already installed. If you use Ubuntu or variants you need to install an add-on for PulseAudio to allow it to use Bluetooth. |
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@beli3ver USB and Bluetooth audio are the workarounds for now on Apollo Lake. Both should work without any problems. @IceAmaura We will have 4.15 kernel packages very soon. 4.16 is currently at rc5, and will be released in a few more weeks. I haven't tried porting the GalliumOS patches to the 4.16 RC's, but if there aren't any major problems, we can have packages shortly thereafter. |
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Which Version fom GOS is the best for SAND? |
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@beli3ver It probably doesn't matter much but I would use the Braswell or Skylake ISO (or chrx, if dual-booting). There's a nightly Braswell ISO in https://galliumos.org/releases/nightly that has a more recent kernel (and enables the testing pkg repo), so I would use that. You can manually enable the testing repo and update from any 2.1 ISO though. You definitely want the newest kernel (4.14 presently) which requires the testing repo, for now. |
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Thanks for that |
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Is it possible to get audio working? what exactly is causing an audio issue. It shows up in lspci and lsusb. |
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That would be amazing |
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Could I just literally copy the drivers from chromeos into galliumos? |
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4.18 has merged some fixes for broxton sound. I'll give it a shot and see if it has fixed anything |
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@IceAmaura any news? |
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No dice with 4.18. 4.19 also has a Broxton related fix, but it only shrinks the name of the module to conform to standards... I'm wondering if this has to do more with it being exposed from SeaBIOS/UEFI? Also, the diff between the Chrome OS and Upstream broxton board sound module has some pretty big differences but I can't get the module to compile with the newest kernel (probably due to it being built on 4.4). Might try just pulling 4.4 from google's repo with the sound module in it and see if it works... |
exposed from? The firmware payload booting the OS doesn't expose or not expose the audio hardware. This is simply an issue of the drivers from Google's chromium kernel tree being upstreamed to the mainline kernel, and getting them to work on actual hardware |
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What is chromeos using for SAND sound drivers? Wouldn't you be able to find
them from intel?
…On Fri, Aug 17, 2018, 10:16 AM Brigham Andersen ***@***.***> wrote:
No dice with 4.18. 4.19 also has a Broxton related fix, but it only
shrinks the name of the module to conform to standards... I'm wondering if
this has to do more with it being exposed from SeaBIOS/UEFI? Also, the diff
between the Chrome OS and Upstream broxton board sound module has some
pretty big differences but I can't get the module to compile with the
newest kernel (probably due to it being built on 4.4). Might try just
pulling 4.4 from google's repo with the sound module in it and see if it
works...
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Sorry about that, I had the wrong idea of how that worked. :S great work btw on the legacy bios to make all this work in the first place
It's using an i2c module I linked above. The upstream module and the chromeos module are different. I am not an experienced kernel developer (wish I was, would make a lot of things easier) so I can't rewrite the module merging the differences while retaining compatibility for the new kernel unfortunately. Kind of just hoping the upstream developers figure it out or whatnot...I've spent my fair share of time troubleshooting the issue and it just seems like something is missing upstream that chromeos has fixed. |
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@skiwarz HP Chromebook 11 g6 EE, Endeavour Arch based distro |
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@skiwarz Since my output was different than @Tykymba , this is from Acer CB515-1HT w GalliumOS: |
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Either lenovo 100e is unsupported, or debian is unsupported. I can check this easily but debian doesnt have a linux-firmware package, instead having a firmware-linux package. Not sure if that affects it but I'm gonna try installing another OS. |
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Apollolake on Manjaro 21.x with UEFI test firmware
look for UEFI Full ROM firmware available for (almost) all APL and GLK devices in the coming weeks. No additional testers needed at this time. |
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Any details on the settings for getting audio to work? |
audio on APL works under mainline Linux with my UEFI firmware, a 5.15 kernel and the fix on my FAQ. Fix isn't needed on 5.18+ I believe. |
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My audio start working and stopped after updates. Dont know why. Fresh install - no effect after FAQ fix. |
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@MrChromebox is HDMI audio output also functioning besides video output? |
I've not tested it TBH, the chrultrabook subreddit or Discord server would be a good place to ask |
I've also noticed that audio fails to work with any Arch kernel packages in the 5.18 series (on an ASUS C213N running vanilla Arch). Downgrading to 5.17.9 fixes it, as does booting with linux-lts instead, which uses 5.15.46. As soon as I get a few spare hours, I'll dig into it in more detail to see if I can identify precisely what is going on. |
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Looks like Linux 5.19 could solve the audio issues: https://www.phoronix.com/news/Linux-5.19-Sound |
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5.19 is already out, it just isnt shipped by default on distros yet |
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I’m guessing it’s not that easy, but I’m going to try building the current 5.19 from kernel.org and see what happens |
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it recognized my audio devices, though now that I think of it so did the old driver. For my Debian install at least I think it's a lack of alsa/etc config rather than kernel drivers/firmware. To be honest I never really understood all of that. |
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I bricked one of my DUTs so I decided to wipe and test 5.19. DUT:Acer CB515-H (Sand) Conclusions:With the stock kernel no devices showed up. I altered configs according to @whyiscassieongithub EMLommers/Apollolake_Audio changes, and after reboot a bunch of devices on the Pavucontrol is also displaying the device. I had to mess with it to get bluetooth to start working again, and unless the N3350/N4200/E3900 profile is set to to I've also got some messages about screen locks failing to run and the the system seems to wake up while the lid is closed. If I set it to suspend and close the lid and walk away, I'll come back to it and open it up and it hasn't locked and chewed through 70% of the battery. I was messing with the audio but I'll probably switch to suspend now. Some of dmesg: |
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Did you boot from "rw_legacy" firmware or did you do a full flash of UEFI replacement firmware from see latest question in FAQ on mrchromebox.tech? Does your linux distro come with SOF installed and is it correctly setup and running? |
Nailed it. I have a few of these machines, some rw_legacy and some UEFI. Finally got around to flashing the full UEFI on this one and everything fell into place like it was made to. Listening to music at the moment out of sheer novelty. I basically never use the onboard speakers but it's still cool to have.
Messed only with a few of the UI settings for headphones, didn't find anything immediately apparent. Either way no jack detection or headphone output on this device at the moment. I have volume keys that work but no media keys to test. Software control of LCD backlight operational. Function key backlight control inoperable. Suspend/resume left blank because I'll need to test it for a bit to be sure. |
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Good to hear its working for you @TLMcNulty Did you still have to do the apollolake reddit SOF patches or other patches on top of ubuntu 22.10 for laptop speakers or did it work out of the box after the machine was fully UEFI flashed running the default 5.19 kernel? As you described that headphone jack detection isn't working yet(expected), is the laptop speaker volume slider only working between 0-10% issue also still in place (labeled as headphone...)? Do you happen to have a USB-C -> HDMI dongle to check if audio out works? Still little hesitant to flash this Acer 515HT to full UEFI, since the late linux 5.19 update might cause display damage and also red something about AVS vs SOF might also cause damage on some devices with linux 6.x. |
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I am interested in this also. |
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Audio was problematic for me under 5.18 and 5.19 with SOF. It worked fine under 5.17 and 5.15. However, it's better than ever with the new AVS audio subsystem, including (finally) headphone support. Using the firmware files from the chrultrabook Discord channel, audio is now at a point where it's essentially fully-working for my needs. Although, given there are occasional reports of blown speakers at high volumes when using AVS, I've volume-limited mine to 50% to be safe. |
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How do you install the avs subsystem? |
It's included in recent kernels. Whether it is compiled-in to the latest mainline kernels is up to your distro. You'll see the "snd_soc_avs", "snd_soc_avs_max98357a" and "snd_soc_avs_da7219" modules if you have it. I've been testing with the latest 6.x kernel packages from Arch, and it's been working fine for me. Once you have a recent kernel with AVS, it's just a matter of setting modprobe to use "option snd_intel_dspcfg dsp_driver=4" (to enable AVS=4 instead of SOF=3), and installing the APL audio firmware using the avs.zip file from the chrultrabook Discord server: https://discord.gg/tkPTk5w. You'll then see a whole lot of new audio devices present... including, finally, a line-out/headphone one. Just be careful with higher volumes when using the speakers for now. |
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I updated to kernel v6.0.3 on Pop!_OS 22.04 and using the avs setup worked fine with all the mentioned features.Just one question, how do you setup a volume limit?Thanks!//Per-PhilipOn 31 Oct 2022, at 23:48, AaronJH ***@***.***> wrote:
How do you install the avs subsystem?
It's included in recent kernels. Whether it is compiled-in to the latest mainline kernels is up to your distro. You'll see the "snd_soc_avs", "snd_soc_avs_max98357a" and "snd_soc_avs_da7219" modules if you have it.
I've been testing with the latest 6.x kernel packages from Arch, and it's been working fine for me.
Once you have a recent kernel with AVS, it's just a matter of upgrading to the new kernel, setting modprobe to use "option snd_intel_dspcfg dsp_driver=4" (to enable AVS=4 instead of SOF=3), and installing the chrultrabook APL audio firmware using the avs.zip file from the Discord channel.
You'll then see a whole lot of new audio devices present... including, finally, a line-out/headphone one. Just be careful with higher volumes when using the speakers for now.
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I made it work by following the instructions of the Discord Channel. What I am using is Ubuntu 22.10 with mainline kernel 6.0.7 installed in Acer Chromebook Spin 11 (R751T) , which is equipped with an Intel N3350 Soc, 4GB DDR4-1866 RAM and 32G eMMC storage. The version of my BIOS is 20221027. And these below is what I do:
Finally, here we go. HDMI & DP output from USB-C works fine with sound, headset jack with detection work pretty fine too. Howerver, speakers volume limit is about 50%, and for my machine, they can only make sound correctly like buzzing otherwise they simply make noises, which doesn't bother me at all as I don't need them anymore. Sadly, on these circumstances, the screen cannot turn over when the device is bent like a tent. |
This is very much desktop-dependent. I use XFCE4 and PulseAudio, so the process for me was:
Logout and login, or restart your panel, and test it with the volume up/down keys. This then stops me from setting the volume above 50% with my media keys, and makes the extreme-right end of the volume slider correspond to 50%. All thanks for Linux audio working on Chromebooks goes to the hard-working Chrultrabook devs, and, of course, MrChromebox. |
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I wonder if this means all problems are done? Personally with the old fix I couldn't get the mic working but with the google chrome book layout everything else worked - if we can confirm this is 100% functional this might just be the end of out problems here. |
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CB515-1HT "sand" Flashed succesfully to full UEFI Coreboot 4.18.2 using the guest mode on ChromeOS. Just had to use CTRL+ALT+F1 or F2(vs CTRL+ALT+T) for a shell with elevated rights to run MRchromebox tech script and disconnect the battery. Tip for opening the case, start at the side facing your body not the screen when removing the bottom cover. Running ubuntu mate 22.10 with 5.19 kernel only needs the apollolake FAQ audio reddit link with still the following downsides: *connecting the USB-C power cable while screen is closed and system turned off AUTO turns on and boots the system while you may think its only charging... upsides: Warning! |
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Long time between replies but I digress. I'm on 6.2.0 now BTW.
Yes. Devices were non-existent as described previously until patched. Having the pro audio profile selected still displays like 9 of them but they work, so whatever.
Jack detection still non-functional.
I have a USB-C -> HDMI dongle (which works flawlessly) but unfortunately no way of testing the audio out of it.
I read that AVS stuff as well. I'm on the SOF stuff still, yet for some reason the sound out of the speakers is WAY louder. I'm not sure if I'm at risk for blowing them out, so I'm just not using them, but man this thing sounds way better than it ever has. Suspend is working properly, I haven't run tests so I'm not sure which type of sleep it's going into, but it finally has the battery life I'd expect of a system like this. Can't report on display damage but I've switched another of this device over and am really really loving it. re:
This has tripped me up as well. I've done A LOT of work to try to get Alt + Screen Brightness Up/Down to do the keyboard brightness and can't get it working. The device is detected and the system is aware of the state, you can echo values into the /sys/class tree and have it take effect, but I haven't gotten an X conf to map Alt + F? to XkdbBrightness. Regards all |
and others
Tracking validation tests and bug reports for GalliumOS support on Apollo Lake models.
Please add observations for any Apollo Lake model in comments!
Current Apollo Lake status
galliumos-apollolakepackage createdApollo Lake is the successor to Braswell, so that is likely to be the best starting point for testing.
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