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i2s in mainline?


alexparser

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I was check this image Armbian_5.31_Lime2_Debian_jessie_next_4.11.5 for Line2, this build not have support the I2S interface :huh:

root@lime2:~# aplay -l
aplay: device_list:268: no soundcards found...
root@lime2:~# aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)

root@lime2:~# lsmod
Module                  Size  Used by
cfg80211              352256  0
rfkill                 20480  1 cfg80211
evdev                  20480  1
at24                   16384  0
nvmem_sunxi_sid        16384  0
nvmem_core             16384  2 at24,nvmem_sunxi_sid
sun4i_ss               24576  0
uio_pdrv_genirq        16384  0
cpufreq_dt             16384  0
uio                    16384  1 uio_pdrv_genirq
bonding                90112  0
fuse                   69632  1
realtek                16384  1

 

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7 hours ago, alexparser said:

Yes course, but DE FACTO this build not work with I2S.

p.s. I don't found way to resolve this problem.


AFAIK I2S works in this kernel, but its not enabled by default and we usually can't give more than usable hints - solving problems takes more effort, chunks of time - at least a tests on real hardware should be done, to suppress time wasted on future support. 

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9 hours ago, Igor said:


AFAIK I2S works in this kernel, but its not enabled by default and we usually can't give more than usable hints - solving problems takes more effort, chunks of time - at least a tests on real hardware should be done, to suppress time wasted on future support. 

Technically, I'm ready to take on this job, I talk about image building and tests.

If I get detailed instructions.

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1 minute ago, alexparser said:

I talk about image building and tests.

If I get detailed instructions.


You mean building whole image and kernel from scratch / sources? https://docs.armbian.com/Developer-Guide_Build-Preparation/

 

But for enabling this, you don't need that. Start here and follow: https://forum.armbian.com/index.php?/topic/379-learning-device-tree/ Do some search.

 

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42 minutes ago, Igor said:


You mean building whole image and kernel from scratch / sources? https://docs.armbian.com/Developer-Guide_Build-Preparation/

 

But for enabling this, you don't need that. Start here and follow: https://forum.armbian.com/index.php?/topic/379-learning-device-tree/ Do some search.

 

Thanks a lot, I'll try to know how it work.
If I have more questions, I will request to help.

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