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SubjectRe: [PATCH] ASoC: ti: rename CONFIG_SND_SOC_DM365_VOICE_CODEC_MODULE
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On 01/09/2021 19:40, Masahiro Yamada wrote:
> Kconfig generates include/generated/autoconf.h to make CONFIG options
> available to the pre-processor. Symbols with the value 'm' are suffixed
> with '_MODULE'
>
> Here is a conflict; CONFIG_FOO=m results in '#define CONFIG_FOO_MODULE 1',
> but CONFIG_FOO_MODULE=y also results in the same define.
>
> Also, CONFIG options that end with '_MODULE' confuse the Kconfig/fixdep
> interaction; fixdep always assumes CONFIG_FOO_MODULE comes from
> CONFIG_FOO=m, so the dependency is not properly tracked for symbols
> that end with '_MODULE'.
>
> For these reasons, CONFIG options that end with '_MODULE' should be
> avoided in general. (I am planning on adding a check in Kconfig.)
>
> This is the only case in the current kernel.
>
> The new option name was suggested by Péter Ujfalusi. [1]
>
> [1] https://lore.kernel.org/all/d9e777dc-d274-92ee-4d77-711bfd553611@gmail.com/
>
> Fixes: 147162f57515 ("ASoC: ti: fix SND_SOC_DM365_VOICE_CODEC dependencies")
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

Thank you,

Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>

> ---
>
> sound/soc/ti/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/soc/ti/Kconfig b/sound/soc/ti/Kconfig
> index 698d7bc84dcf..3260a30d3d54 100644
> --- a/sound/soc/ti/Kconfig
> +++ b/sound/soc/ti/Kconfig
> @@ -211,7 +211,7 @@ config SND_SOC_DM365_VOICE_CODEC
> Say Y if you want to add support for SoC On-chip voice codec
> endchoice
>
> -config SND_SOC_DM365_VOICE_CODEC_MODULE
> +config SND_SOC_DM365_SELECT_VOICE_CODECS
> def_tristate y
> depends on SND_SOC_DM365_VOICE_CODEC && SND_SOC
> select MFD_DAVINCI_VOICECODEC
>

--
Péter

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