Re: [PATCH 1/2] ASoC: codecs: lpass-macro: Gracefully handle unknown version

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On Tue, Jun 25, 2024 at 06:57:35PM GMT, Krzysztof Kozlowski wrote:
> Qualcomm LPASS macro codec driver parses registers in order to
> detect version of the codec.  It recognizes codecs v2.0 - v2.8, however
> we know that there are earlier versions and 'enum lpass_codec_version'
> has also v1.0, v1.1 and v1.2.  If by any chance we run on unrecognized
> version, driver will use random value from the stack as the codec
> version.
> 
> Fix it by mapping such cases to an enum of value 0:
> LPASS_CODEC_VERSION_UNKNOWN.
> 
> Fixes: 378918d59181 ("ASoC: codecs: lpass-macro: add helpers to get codec version")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
>  sound/soc/codecs/lpass-macro-common.h | 3 ++-
>  sound/soc/codecs/lpass-va-macro.c     | 3 ++-
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>


-- 
With best wishes
Dmitry




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