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mamuma
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PostPosted: Sat Apr 16, 2016 9:15 am    Post subject: Asus Transformer T100TAM Reply with quote

Hi
I'm installing gentoo in my new Asus Transformer T100TAM.

I'm having problem with my sound card

Here it's my dmesg output

Code:
[   10.528764] intel_sst_acpi 80860F28:00: LPE base: 0x90a00000 size:0x200000
[   10.528772] intel_sst_acpi 80860F28:00: IRAM base: 0x90ac0000
[   10.528805] intel_sst_acpi 80860F28:00: DRAM base: 0x90b00000
[   10.528818] intel_sst_acpi 80860F28:00: SHIM base: 0x90b40000
[   10.528828] intel_sst_acpi 80860F28:00: Mailbox base: 0x90b44000
[   10.528840] intel_sst_acpi 80860F28:00: DDR base: 0x20000000
[   10.528935] intel_sst_acpi 80860F28:00: Got drv data max stream 25
[   10.631921] bytcr_rt5640 bytcr_rt5640: ASoC: CODEC DAI rt5640-aif1 not registered
[   10.631932] bytcr_rt5640 bytcr_rt5640: devm_snd_soc_register_card failed -517
[   10.682559] bytcr_rt5640 bytcr_rt5640: ASoC: CODEC DAI rt5640-aif1 not registered
[   10.682571] bytcr_rt5640 bytcr_rt5640: devm_snd_soc_register_card failed -517


I've emerged latest linux-firmware(sys-kernel/linux-firmware-20160331) and compiled latest kernel

Code:
Linux stealth 4.5.1-gentoo #2 SMP Sat Apr 16 07:17:10 CEST 2016 x86_64 Intel(R) Atom(TM) CPU Z3775 @ 1.46GHz GenuineIntel GNU/Linux


This is my lsmod
Code:
Module                  Size  Used by
snd_soc_sst_bytcr_rt5640     8475  0
snd_intel_sst_acpi      4092  1
snd_intel_sst_core     43626  1 snd_intel_sst_acpi
snd_soc_rt5640         95659  1 snd_soc_sst_bytcr_rt5640
snd_soc_sst_mfld_platform    60671  1 snd_intel_sst_core
brcmfmac              169208  0
brcmutil                5049  1 brcmfmac
regmap_i2c              3392  1 snd_soc_rt5640
snd_soc_sst_match       1075  1 snd_intel_sst_acpi
snd_soc_rl6231          1989  1 snd_soc_rt5640
snd_soc_core          112164  3 snd_soc_rt5640,snd_soc_sst_mfld_platform,snd_soc_sst_bytcr_rt5640
snd_compress            7002  1 snd_soc_core
snd_pcm_dmaengine       3310  1 snd_soc_core


Do you know how I can get SoC devices information?

Do you know what I'm doing bad?
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Buffoon
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PostPosted: Sat Apr 16, 2016 1:47 pm    Post subject: Reply with quote

Look at dmesg, is correct firmware found and loaded?
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mamuma
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PostPosted: Sat Apr 16, 2016 2:35 pm    Post subject: Reply with quote

Thanks for answering so soon

I think that's the problem

How can I debug the firmware loading?.

It's a soc device, I can't see the hardware description. It doesn't appear in lspci, lsusb, lshw nor dmidecode. How can I see that information, to try to configure kernel better or choosing the best firmware?
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NeddySeagoon
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PostPosted: Sat Apr 16, 2016 5:20 pm    Post subject: Reply with quote

mamuma,

Pastebin your dmesg. There may be something there.
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mamuma
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PostPosted: Sun Apr 17, 2016 5:14 am    Post subject: Reply with quote

Here it is
http://pastebin.com/4ubRQfK2
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NeddySeagoon
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PostPosted: Sun Apr 17, 2016 11:24 am    Post subject: Reply with quote

mamuma,

There is very little there. The
Code:
[    1.448115] ALSA device list:
[    1.448117]   No soundcards found.
dmesg entry tells that you have ALSA built into the kernel and it found nothing.
If it needed modules, that might be the right answer.

Rebuild the kernel with ALSA set to <M>. This will make all the child settings change to <M> too.
Initially, this will make no difference whatsoever but you con now change things with the
Code:
make menuconfig
<M> <new_thing>
make modules
make modules_install
modprobe <new_thing>
sequence. No reboot and no kernel rebuild required.

You can also do
Code:
modprobe -r <module_name>
modprobe <module_name> module_parameters

This will be needed in case the auto detect doesn't work. That's quite common on non mainstream hardware.

Look in /usr/src/linux/Documentation for hints.
Code:
modinfo <module_name>
is also useful.
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MarioCorleone
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PostPosted: Mon Apr 18, 2016 4:19 am    Post subject: Reply with quote

Also, have you looked at cyanogen's build for that device? xda's? Have you gotten the device tree, and proprietary blobs needed?

Quote:
How can I debug the firmware loading?.


do you have adb?
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