From e820f7b2e1428558ee20a3d0efe9cd5038f83439 Mon Sep 17 00:00:00 2001 From: Mark Farrugia Date: Tue, 13 Nov 2018 08:52:36 +1100 Subject: Add initial recipes for snd-avirt driver The snd-avirt driver will provide an enhanced, dynamic ALSA loopback interface for 4a-softmixer, and provides the audio framework for low-latency audio hardmixers such as the Fiberdyne DSP onboard the Xtensa HiFi2, and the UNICENs Fiberdyne smart amplifier. Included are backport patches for kernels 4.12 and 4.9. Change-Id: I8b23507d7179d10dfa70b7f2f899db4534690392 Signed-off-by: Mark Farrugia --- .../recipes-kernel/snd-avirt/snd-avirt.bbappend | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 meta-audio-4a-framework/recipes-kernel/snd-avirt/snd-avirt.bbappend (limited to 'meta-audio-4a-framework/recipes-kernel/snd-avirt/snd-avirt.bbappend') diff --git a/meta-audio-4a-framework/recipes-kernel/snd-avirt/snd-avirt.bbappend b/meta-audio-4a-framework/recipes-kernel/snd-avirt/snd-avirt.bbappend new file mode 100644 index 00000000..3c9fea0e --- /dev/null +++ b/meta-audio-4a-framework/recipes-kernel/snd-avirt/snd-avirt.bbappend @@ -0,0 +1,22 @@ +FILESEXTRAPATHS_prepend := "${THISDIR}/files:" + +def prep_version (d) : + KV = d.getVar('KERNEL_VERSION', True) + if not KV : + return "4.12" + else: + return KV + +ORIG_KERN_VER = "${@prep_version(d)}" + +VANILLA_KERNEL_VERSION = "${@str(ORIG_KERN_VER.split("-")[0].split(".")[0]+ORIG_KERN_VER.split("-")[0].split(".")[1])}" + +APPLY_0001 = "${@str('no' if ${VANILLA_KERNEL_VERSION} > 412 else 'yes')}" +APPLY_0002 = "${@str('no' if ${VANILLA_KERNEL_VERSION} > 49 else 'yes')}" + +SRC_URI_append = " \ + file://0001-snd-avirt-backport-kernel-4.12-api.patch;apply=${APPLY_0001} \ + file://0002-snd-avirt-backport-kernel-4.9-api.patch;apply=${APPLY_0002} \ + " +# Make sure we can expose KERNEL_VERSION ... +do_patch[depends] += "virtual/kernel:do_populate_sysroot" -- cgit 1.2.3-korg