Em Tue, 5 Oct 2021 18:51:10 +0800 Lecopzer Chen <lecopzer.chen@xxxxxxxxxxxx> escreveu: > 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 While this change looks simple enough, not sure if this would work for all possibilities. If I'm not mistaken, someone proposed something similar to it, but it caused troubles with different configurations. I don't recall any patch addressing it, but I may be wrong. Tf I remember correctly, the problem rises when either V4L or DVB core is compiled as module and the other one is compiled builtin. On such scenario, all drivers that depend on both should be compiled as a module, or the build will fail. Thanks, Mauro