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n450: revamp audio mixer init script

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Fixes [YOCTO #798]

n450-audiofix suffered from various problems, including not getting installed.
This patch adds it via MACHINE_EXTRA_RRECOMMENDS and cleans up the various
bugs in the implementation. The structure has been renamed and the comments
updated for consistency. This should be considered a stop-gap measure, as
something along the lines of oe's alsa-state is a far better solution.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This commit is contained in:
Darren Hart 2011-03-11 15:53:11 -08:00
parent 4bbfc4f08b
commit d1ba49be30
5 changed files with 40 additions and 30 deletions
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2
meta-n450/conf/machine/n450.conf
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@ -11,3 +11,5 @@ APPEND += "console=ttyS0,115200 console=tty0"
PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto-stable"
# Ensure the bsp packages are installed
MACHINE_EXTRA_RRECOMMENDS += " n450-audio "

17
meta-n450/recipes-bsp/audiofix/audiofix.bb
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@ -1,17 +0,0 @@
SUMMARY = "Provide a basic init script to enable audio"
DESCRIPTION = "This package provides an init script which enables the audio on startup via the amixer command. It address a problem with the development board that has the audio muted on power on."
SECTION = "base"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${POKYBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58"
PR = "r2"
RDEPENDS = "alsa-utils-amixer"
SRC_URI = "file://n450_audiofix"
do_install () {
install -d ${D}${sysconfdir}/init.d
install -d ${D}${sysconfdir}/rc5.d
install -m 0755 ${WORKDIR}/n450_audiofix ${D}${sysconfdir}/init.d
ln -sf ${D}${sysconfdir}/init.d/n450_audiofix ${D}/${sysconfdir}/rc5.d/S91n450_audiofix
}

13
meta-n450/recipes-bsp/audiofix/files/n450_audiofix
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@ -1,13 +0,0 @@
#!/bin/sh
AMIXER=`which amixer`
if [ ! -e $AMIXER ]; then
if [ -e /usr/bin/amixer ]; then
AMIXER=/usr/bin/amixer
else
echo "No amixer, so unable to reset Front channel ON"
fi
fi

23
meta-n450/recipes-bsp/n450-audio/n450-audio.bb Normal file
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@ -0,0 +1,23 @@
SUMMARY = "Provide a basic init script to enable audio"
DESCRIPTION = "Set the volume and unmute the Front mixer setting during boot."
SECTION = "base"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${POKYBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58"
PR = "r3"
inherit update-rc.d
RDEPENDS = "alsa-utils-amixer"
SRC_URI = "file://n450-audio"
INITSCRIPT_NAME = "n450-audio"
INITSCRIPT_PARAMS = "defaults 90"
do_install() {
install -d ${D}${sysconfdir} \
${D}${sysconfdir}/init.d
install -m 0755 ${WORKDIR}/n450-audio ${D}${sysconfdir}/init.d
}

15
meta-n450/recipes-bsp/n450-audio/n450-audio/n450-audio Normal file
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@ -0,0 +1,15 @@
#!/bin/sh
AMIXER=`which amixer`
if [ ! -e "$AMIXER" ]; then
if [ -e /usr/bin/amixer ]; then
AMIXER=/usr/bin/amixer
else
echo "amixer not found, unable to set default audio settings."
exit 1
fi
fi
# Enable the "Front" simple controls (black phones jack)
$AMIXER sset Front 30 on