Re: [PATCH] ALSA: hda: Use imply for suggesting CONFIG_SERIAL_MULTI_INSTANTIATE

[Takashi Iwai <tiwai@suse.de>]

On Fri, 21 Jun 2024 11:13:46 +0200,
Richard Fitzgerald wrote:
> 
> On 21/06/2024 08:39, Takashi Iwai wrote:
> > The recent fix introduced a reverse selection of
> > CONFIG_SERIAL_MULTI_INSTANTIATE, but its condition isn't always met.
> > Use a weak reverse selection to suggest the config for avoiding such
> > inconsistencies, instead.
> > 
> > Fixes: 9b1effff19cd ("ALSA: hda: cs35l56: Select SERIAL_MULTI_INSTANTIATE")
> > Reported-by: kernel test robot <lkp@intel.com>
> > Closes: https://lore.kernel.org/oe-kbuild-all/202406210732.ozgk8IMK-lkp@intel.com/
> > Closes: https://lore.kernel.org/oe-kbuild-all/202406211244.oLhoF3My-lkp@intel.com/
> > Signed-off-by: Takashi Iwai <tiwai@suse.de>
> > ---
> >   sound/pci/hda/Kconfig | 4 ++--
> >   1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig
> > index e59df40a0007..a3cf0725fc43 100644
> > --- a/sound/pci/hda/Kconfig
> > +++ b/sound/pci/hda/Kconfig
> > @@ -162,7 +162,7 @@ config SND_HDA_SCODEC_CS35L56_I2C
> >   	depends on ACPI || COMPILE_TEST
> >   	depends on SND_SOC
> >   	select FW_CS_DSP
> > -	select SERIAL_MULTI_INSTANTIATE
> > +	imply SERIAL_MULTI_INSTANTIATE
> >   	select SND_HDA_GENERIC
> >   	select SND_SOC_CS35L56_SHARED
> >   	select SND_HDA_SCODEC_CS35L56
> > @@ -179,7 +179,7 @@ config SND_HDA_SCODEC_CS35L56_SPI
> >   	depends on ACPI || COMPILE_TEST
> >   	depends on SND_SOC
> >   	select FW_CS_DSP
> > -	select SERIAL_MULTI_INSTANTIATE
> > +	imply SERIAL_MULTI_INSTANTIATE
> >   	select SND_HDA_GENERIC
> >   	select SND_SOC_CS35L56_SHARED
> >   	select SND_HDA_SCODEC_CS35L56
> Sorry about that. Thanks for fixing.
> Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
> 
> (Though I think this points at a bug in serial-multi-instantiate
> dependencies. When SPI support was added it was made mandatory
> to have both I2C AND SPI. But you shouldn't need to build in a
> subsystem if you don't have any devices of that type.)

Yeah, the condition there could be relaxed, I suppose.

But the use of imply isn't bad for a case like this, so let's go
forward with this fix.


thanks,

Takashi