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

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, Mar 30, 2022 at 03:34:34AM -0400, Joshua Freedman wrote:
> 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.
> 
> 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>
> 

If you revert this does your machine work properly?  Is 5.17 also broken
for you due to this change, or does it work properly?

thanks,

greg k-h