use link to replase copy operation

This commit is contained in:
Baozhu Zuo 2018-07-24 11:31:21 +08:00
parent 8c499c2268
commit 7009515ec9

View file

@ -36,56 +36,43 @@ is_1a=$(i2cdetect -y 1 0x1a 0x1a | grep 1a | awk '{print $2}')
is_35=$(i2cdetect -y 1 0x35 0x35 | grep 35 | awk '{print $2}') is_35=$(i2cdetect -y 1 0x35 0x35 | grep 35 | awk '{print $2}')
is_3b=$(i2cdetect -y 1 0x3b 0x3b | grep 3b | awk '{print $2}') is_3b=$(i2cdetect -y 1 0x3b 0x3b | grep 3b | awk '{print $2}')
rm /etc/asound.conf
rm /var/lib/alsa/asound.state
if [ "x${is_1a}" == "x1a" ] && [ "x${is_35}" == "x" ] ; then if [ "x${is_1a}" == "x1a" ] && [ "x${is_35}" == "x" ] ; then
echo "install 2mic" echo "install 2mic"
dtoverlay seeed-2mic-voicecard dtoverlay seeed-2mic-voicecard
sleep 1 sleep 1
hw=$(aplay -l | grep seeed2micvoicec | awk '{print $2}' | sed 's/://')
cp /etc/voicecard/asound_2mic.conf /etc/asound.conf echo "create 2mic asound configure file"
ln -s /etc/voicecard/asound_2mic.conf /etc/asound.conf
echo "get old hw number" echo "create 2mic asound status file"
old=$(cat /etc/asound.conf | grep hw: | awk 'NR==1 {print $2}' | sed 's/\"//g') ln -s /etc/voicecard/wm8960_asound.state /var/lib/alsa/asound.state
echo "replace new hw:${hw},0"
sed -i -e "s/${old}/hw:${hw},0/g" /etc/asound.conf
cp /etc/voicecard/wm8960_asound.state /var/lib/alsa/asound.state
fi fi
if [ "x${is_3b}" == "x3b" ] && [ "x${is_35}" == "x" ] ; then if [ "x${is_3b}" == "x3b" ] && [ "x${is_35}" == "x" ] ; then
echo "install 4mic" echo "install 4mic"
dtoverlay seeed-4mic-voicecard dtoverlay seeed-4mic-voicecard
sleep 1 sleep 1
hw=$(arecord -l | grep seeed4micvoicec | awk '{print $2}' | sed 's/://')
cp /etc/voicecard/asound_4mic.conf /etc/asound.conf echo "create 4mic asound configure file"
ln -s /etc/voicecard/asound_4mic.conf /etc/asound.conf
echo "get slavepcm line number" echo "create 4mic asound status file"
line=$(grep -n ac108-slavepcm /etc/asound.conf | awk '{print $1}' | sed 's/://') ln -s /etc/voicecard/ac108_asound.state /var/lib/alsa/asound.state
echo "delete ${line} slavepcm hw number"
sed -i -e "${line}d" /etc/asound.conf
echo "insert slavepcm hw:${hw},0"
sed -i "${line}i slave.pcm \"hw:${hw},0\"" /etc/asound.conf
cp /etc/voicecard/ac108_asound.state /var/lib/alsa/asound.state
fi fi
if [ "x${is_3b}" == "x3b" ] && [ "x${is_35}" == "x35" ] ; then if [ "x${is_3b}" == "x3b" ] && [ "x${is_35}" == "x35" ] ; then
echo "install 6mic" echo "install 6mic"
dtoverlay seeed-8mic-voicecard dtoverlay seeed-8mic-voicecard
sleep 1 sleep 1
hw=$(aplay -l | grep seeed8micvoicec | awk '{print $2}' | sed 's/://')
cp /etc/voicecard/asound_6mic.conf /etc/asound.conf echo "create 6mic asound configure file"
ln -s /etc/voicecard/asound_6mic.conf /etc/asound.conf
old=$(cat /etc/asound.conf | grep hw: | awk 'NR==1 {print $2}' | sed 's/\"//g') echo "create 6mic asound status file"
ln -s /etc/voicecard/ac108_6mic.state /var/lib/alsa/asound.state
sed -i -e "s/${old}/hw:${hw},0/g" /etc/asound.conf
cp /etc/voicecard/ac108_6mic.state /var/lib/alsa/asound.state
fi fi
alsactl restore alsactl restore