[Letux-kernel] regression: twl4030 audio/clock stopped working in v4.16

Andreas Kemnade andreas at kemnade.info
Fri Apr 6 23:25:47 CEST 2018


Hi,

On Wed, 4 Apr 2018 20:29:49 +0200
"H. Nikolaus Schaller" <hns at goldelico.com> wrote:

> Hi Peter,
> I just noticed a problem in v4.16 kernels with twl4030 audio and vibra driver no longer working.
> 
> Tracing it back shows that it already did appear in v4.16-rc1 and wasn't fixed up to v4.16.0.
> Kernel v4.15.9 (the latest one where I have a binary) works.
> 
> The symptoms are:
> 
> [    1.557342] twl4030-audio 48070000.i2c:twl at 48:audio: Invalid audio_mclk
> [    1.564788] twl4030-audio: probe of 48070000.i2c:twl at 48:audio failed with error -22
> [    1.839141] TWL4030: HFCLK is not configured
> 
hmm, 4.16.0-letux+ + devicetree from 4.16.0-rc3-letux+
give working audio for me.

Hmm, what is going on here?

Regards,
Andreas
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