Re: kernel 5.16.12 and above broke yoga c930 sound and mic

[Paul Cercueil <paul@crapouillou.net>]

Hi Joshua,

Le mer., mars 30 2022 at 03:34:34 -0400, Joshua Freedman 
<freedman.joshua@gmail.com> a écrit :
> Hi, I noticed my audio and mic stopped working on my yoga c930 on 
> 5.16.12 and newer. 5.16.11 was ok.   On 5.16.12 and above I get a 
> dummy output and no mic.
> 
> Anything we can do about that?  Thanks.
> 
> I'm not a git guy so I just looked at the changlogs and this was the 
> only audio one in 5.16.12.  I could be wrong in the ID though.

This commit changes the clocks on the JZ4725B SoC, there is just no way 
for it to be the cause of your problem.

Cheers,
-Paul

> commit 6b0d719ffed1c21c1a2e473301fd95f78cd35c9e
> Author: Siarhei Volkau <lis8215@gmail.com>
> Date:   Sat Feb 5 20:18:49 2022 +0300
> 
>     clk: jz4725b: fix mmc0 clock gating
> 
>     commit 2f0754f27a230fee6e6d753f07585cee03bedfe3 upstream.
> 
>     The mmc0 clock gate bit was mistakenly assigned to "i2s" clock.
>     You can find that the same bit is assigned to "mmc0" too.
>     It leads to mmc0 hang for a long time after any sound activity
>     also it  prevented PM_SLEEP to work properly.
>     I guess it was introduced by copy-paste from jz4740 driver
>     where it is really controls I2S clock gate.
> 
>     Fixes: 226dfa4726eb ("clk: Add Ingenic jz4725b CGU driver")
>     Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
>     Tested-by: Siarhei Volkau <lis8215@gmail.com>
>     Reviewed-by: Paul Cercueil <paul@crapouillou.net>
>     Cc: stable@vger.kernel.org
>     Link: 
> https://lore.kernel.org/r/20220205171849.687805-2-lis8215@gmail.com
>     Signed-off-by: Stephen Boyd <sboyd@kernel.org>
>     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> 
> 
> --
> 
> 
> Joshua Freedman
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