On Wed, Jan 4, 2023 at 7:18 AM Mark Jonas <toer...@gmail.com> wrote:
>
> From: Mark Jonas <toer...@gmail.com>
>
> If DISTRO_FEATURES includes ALSA then automatically load the
> snd-intel8x0 kernel module on qemux86 and qemux86-64. This matches the
> machine configurations conf/machine/qemux86.conf and qemux86-64.conf.
>
> Signed-off-by: Mark Jonas <toer...@gmail.com>
> ---
> meta/recipes-kernel/linux/linux-yocto.inc | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/meta/recipes-kernel/linux/linux-yocto.inc
> b/meta/recipes-kernel/linux/linux-yocto.inc
> index 091003ed82..c8a9b0a1e3 100644
> --- a/meta/recipes-kernel/linux/linux-yocto.inc
> +++ b/meta/recipes-kernel/linux/linux-yocto.inc
> @@ -37,6 +37,11 @@ KERNEL_FEATURES:append = "
> ${@bb.utils.contains('MACHINE_FEATURES', 'efi', 'cfg/
> KERNEL_FEATURES:append = " ${@bb.utils.contains('MACHINE_FEATURES', 'numa',
> 'features/numa/numa.scc', '', d)}"
> KERNEL_FEATURES:append = " ${@bb.utils.contains('MACHINE_FEATURES', 'vfat',
> 'cfg/fs/vfat.scc', '', d)}"
>
> +# sound driver recommended by conf/machine/qemux86*.conf
> +ALSA_MODULES = "${@bb.utils.contains("DISTRO_FEATURES", "alsa",
> "snd-intel8x0", "", d)}"
> +KERNEL_MODULE_AUTOLOAD:qemux86 += "${ALSA_MODULES}"
> +KERNEL_MODULE_AUTOLOAD:qemux86-64 += "${ALSA_MODULES}"
This gets us most of the way, but if we are going to do this we should
complete the job.
We really need to make sure there's a configuration fragment that
explicitly enables
the modules we need (and not count on defaults, or other selects). That would go
into the kernel-cache.
It would then be something we'd add to the KERNEL_FEATRES triggered off the
distro feature. Just like we are doing with numa and vfat that is visible in the
context of the patch.
Bruce
> +
> # A KMACHINE is the mapping of a yocto $MACHINE to what is built
> # by the kernel. This is typically the branch that should be built,
> # and it can be specific to the machine or shared
> --
> 2.34.1
>
>
>
>
--
- Thou shalt not follow the NULL pointer, for chaos and madness await
thee at its end
- "Use the force Harry" - Gandalf, Star Trek II
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