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linux-yocto: enable audio for selected qemu targets

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Fixes [BUGID #488 #734]

Enable audio for qemux86/qemux86-64 via the following kernel
configuration options.

  CONFIG_SOUND_OSS_CORE=y
  CONFIG_SOUND_OSS_CORE_PRECLAIM=y
  CONFIG_SND_RAWMIDI=m
  CONFIG_SND_SEQUENCER=y
  CONFIG_SND_OSSEMUL=y
  CONFIG_SND_MIXER_OSS=y
  CONFIG_SND_PCM_OSS=y
  CONFIG_SND_PCM_OSS_PLUGINS=y
  CONFIG_SND_SEQUENCER_OSS=y
  CONFIG_SND_RAWMIDI_SEQ=m
  CONFIG_SND_AC97_CODEC=m
  CONFIG_SND_ENS1370=m
  CONFIG_SND_INTEL8X0=m
  CONFIG_AC97_BUS=m

The mechanism to trigger these options is in the form of an
optional kernel feature that is only appended for qemux86
and qemux86-64, but is contained within the kernel tree.

This allows several things:

  - the options to be available/shared for all boards
  - the options to be in tree
  - to not add the options to every board, which unecessarily
    bloats the default configuration.

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
This commit is contained in:
Bruce Ashfield
2011-02-22 12:28:19 -05:00
committed by Richard Purdie
parent dca876b8f6
commit 6abfee773f
3 changed files with 9 additions and 5 deletions
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4
meta/classes/kernel-yocto.bbclass
View File

@@ -21,7 +21,9 @@ do_patch() {
# updates or generates the target description
if [ -n "${KERNEL_FEATURES}" ]; then
addon_features="--features ${KERNEL_FEATURES}"
for feat in ${KERNEL_FEATURES}; do
addon_features="$addon_features --feature $feat"
done
fi
updateme ${addon_features} ${ARCH} ${MACHINE} ${WORKDIR}
if [ $? -ne 0 ]; then