Re: [PATCH] media: Kconfig: Make DVB_CORE=m possible when MEDIA_SUPPORT=y

From: Lecopzer Chen
Date: Wed Nov 03 2021 - 04:05:12 EST


> On 05/10/2021 12:51, Lecopzer Chen wrote:
> > A case that we need VIDEO_DEV=y but DVB_CORE=m, and this doesn't
> > work since DVB_CORE is default MEDIA_DIGITAL_TV_SUPPORT and then
> > follows MEDIA_SUPPORT.
> >
> > Change to tristate to make DVB_CORE=m possible when MEDIA_SUPPORT=y
> >
> > Signed-off-by: Lecopzer Chen <lecopzer.chen@xxxxxxxxxxxx>
> > ---
> > drivers/media/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
> > index b07812657cee..c3baf92b4d02 100644
> > --- a/drivers/media/Kconfig
> > +++ b/drivers/media/Kconfig
> > @@ -88,7 +88,7 @@ config MEDIA_ANALOG_TV_SUPPORT
> > will disable support for them.
> >
> > config MEDIA_DIGITAL_TV_SUPPORT
> > - bool
> > + tristate
> > prompt "Digital TV" if MEDIA_SUPPORT_FILTER
> > default y if !MEDIA_SUPPORT_FILTER
> > help
> >
>
> I don't think this is the right approach.
>
> I think the following patch would fix the issue, and it is also in line
> with what config VIDEO_DEV does.
>
> What do you think, Mauro?
>
> Regards,
>
> Hans
>
> Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
> ---
> diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
> index c3baf92b4d02..46f7b1f75630 100644
> --- a/drivers/media/Kconfig
> +++ b/drivers/media/Kconfig
> @@ -179,8 +179,7 @@ config MEDIA_CONTROLLER
> #
>
> config DVB_CORE
> - tristate
> - depends on MEDIA_DIGITAL_TV_SUPPORT
> + tristate "DVB core"
> depends on (I2C || I2C=n)
> default MEDIA_DIGITAL_TV_SUPPORT
> select CRC32

Hi Hans

Thanks for the patch, both patches work in my test.
But I think your is more intuitive, I've pushed v2 with this patch
with your sign-off-by for the further discussion and reviewing.

Thanks
Lecopzer