[PATCH v2] ASoC: Intel: boards: Fix CONFIG_SND_SOC_SDW_MOCKUP select

From: Nathan Chancellor
Date: Mon Aug 02 2021 - 17:25:19 EST


When CONFIG_SND_SOC_INTEL_SOUNDWIRE_SOF_MACH is enabled without
CONFIG_EXPERT, there is a Kconfig warning about unmet dependencies:

WARNING: unmet direct dependencies detected for SND_SOC_SDW_MOCKUP
Depends on [n]: SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] &&
EXPERT [=n] && SOUNDWIRE [=y]
Selected by [y]:
- SND_SOC_INTEL_SOUNDWIRE_SOF_MACH [=y] && ...

Selecting a symbol does not account for dependencies. There are three
ways to resolve this:

1. Make CONFIG_SND_SOC_INTEL_SOUNDWIRE_SOF_MACH select
CONFIG_SND_SOC_SDW_MOCKUP only if CONFIG_EXPERT is set.

2. Make CONFIG_SND_SOC_SDW_MOCKUP's prompt depend on CONFIG_EXPERT so
that it can be selected by options that only depend on
CONFIG_SOUNDWIRE but still appear as a prompt to the user when
CONFIG_EXPERT is set.

3. Make CONFIG_SND_SOC_INTEL_SOUNDWIRE_SOF_MACH imply
CONFIG_SND_SOC_SDW_MOCKUP, which will select
CONFIG_SND_SOC_SDW_MOCKUP when its dependencies are enabled but still
allow the user to disable it.

Go with the third option as it gives the most flexibility while
retaining the original intent of the select.

Fixes: 0ccac3bcf356 ("ASoC: Intel: boards: sof_sdw: add SoundWire mockup codecs for tests")
Suggested-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>
---

v1 -> v2:

* Switch to imply rather than select ... if ... (Pierre-Louis).

* Reword commit message to explain different solutions rather than
explain the problem in depth.

sound/soc/intel/boards/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig
index 046955bf717c..61b71d6c44cf 100644
--- a/sound/soc/intel/boards/Kconfig
+++ b/sound/soc/intel/boards/Kconfig
@@ -602,7 +602,7 @@ config SND_SOC_INTEL_SOUNDWIRE_SOF_MACH
select SND_SOC_DMIC
select SND_SOC_INTEL_HDA_DSP_COMMON
select SND_SOC_INTEL_SOF_MAXIM_COMMON
- select SND_SOC_SDW_MOCKUP
+ imply SND_SOC_SDW_MOCKUP
help
Add support for Intel SoundWire-based platforms connected to
MAX98373, RT700, RT711, RT1308 and RT715

base-commit: 170c0d7460fc4aa522995ae4096b5a442f50a1fc
--
2.32.0.264.g75ae10bc75