[alsa-devel] [PATCH v9 3/4] ASoC: tda998x: add a codec to the HDMI transmitter

[Russell King - ARM Linux]

On Fri, Jan 09, 2015 at 12:45:31PM +0100, Jean-Francois Moine wrote:
> On Fri, 9 Jan 2015 11:19:35 +0000
> Russell King - ARM Linux <linux at arm.linux.org.uk> wrote:
> 
> > Would it be more sensible to make SND_SOC_TDA998X depend on
> > DRM_I2C_NXP_TDA998X instead, maybe with a 'default y' - which is a
> > kinder way to have SND_SOC_TDA998X be enabled.  If SND_SOC_TDA998X
> > doesn't have a prompt, then it'll automatically enable itself too
> > this way when all its dependencies are satisfied.
> 
> You are right, I will set back the way I had in the version 3:
> 
> > diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
> > index b33b45d..747e387 100644
> > --- a/sound/soc/codecs/Kconfig
> > +++ b/sound/soc/codecs/Kconfig
> > @@ -352,6 +352,12 @@ config SND_SOC_STAC9766
> >  config SND_SOC_TAS5086
> >  	tristate
> >  
> > +config SND_SOC_TDA998X
> > +	tristate
> > +	default y if DRM_I2C_NXP_TDA998X=y
> > +	default m if DRM_I2C_NXP_TDA998X=m
> > +

An easier way to write this is:

	config SND_SOC_TDA998X
		def_tristate y
		depends on DRM_I2C_NXP_TDA998X

That's because internally, Kconfig knows how to do ternary operations.

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