[Letux-kernel] jz4730 sound

H. Nikolaus Schaller hns at goldelico.com
Sun Mar 21 20:24:15 CET 2021


> Am 21.03.2021 um 20:23 schrieb H. Nikolaus Schaller <hns at goldelico.com>:
> 
> 
>> Am 21.03.2021 um 19:20 schrieb H. Nikolaus Schaller <hns at goldelico.com>:
>> 
>> Maybe we should change simple-audio-card,format = "i2s";
>> if that makes the Reset being controlled?
> 
> The old 2.6 kernel uses I2S format.

and the ak4642 is i2s master.

>> 
>> Maybe we should try to check the state of ACRESET/GP69.
>> 
>> So far my findings and thoughts from this debuging session...
> 
> Unless I am missing something, it looks as if we have not defined pinctrl for the codec interface...
> So the interface may run in the wrong mode.
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