linux 点点

<!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } TT.cjk { font-family: "DejaVu Sans", monospace } -->

svn 取代码：

sudo svn checkout svn://192.168.40.210/Android/branches/ti60/1.6/android-2.6.29 yytest

 

制作补丁：

svn diff sound/soc/codecs/twl4030.c -r 1539 >audio.patch

vim audio.patch

patch -p1<audio.patch

svn diff

 

SVN 恢复到指定版本：

svn update -r 1641 drivers/switch/switch_gpio.c

 

 

 

 

 

bash-3.2# mount

rootfs / rootfs rw 0 0

/proc /proc proc rw 0 0

none /sys sysfs rw 0 0

none /dev tmpfs rw 0 0

none /dev/pts devpts rw,mode=600 0 0

tmpfs /dev tmpfs rw,mode=755 0 0

devpts /dev/pts devpts rw,mode=600 0 0

proc /proc proc rw 0 0

sysfs /sys sysfs rw 0 0

tmpfs /sqlite_stmt_journals tmpfs rw,size=4096k 0 0

/dev/block/mtdblock6 /system yaffs2 rw 0 0

/dev/block/mtdblock7 /data yaffs2 rw,nosuid,nodev 0 0

/dev/block/mtdblock8 /cache yaffs2 rw,nosuid,nodev 0 0

/dev/block//vold/179:0 /localdisk vfat rw,dirsync,nosuid,nodev,noexec,uid=1000,0

 

bash-3.2# mount -t vfat /dev/block/vold/179/:0 /sdcard/

 

将这个文件放到/system/app/

输入命令 am start -n com.sang.android.test/com.sang.android.test.Activity01 启动

 

bash-3.2# alsa_amixer controls

numid=37,iface=MIXER,name='HandsfreeL Mux'

numid=36,iface=MIXER,name='HandsfreeL Switch'

numid=35,iface=MIXER,name='HandsfreeR Mux'

numid=34,iface=MIXER,name='HandsfreeR Switch'

numid=14,iface=MIXER,name='Headset Playback Volume'

numid=48,iface=MIXER,name='HeadsetL Mixer AudioL1'

numid=49,iface=MIXER,name='HeadsetL Mixer AudioL2'

numid=47,iface=MIXER,name='HeadsetL Mixer Voice'

numid=45,iface=MIXER,name='HeadsetR Mixer AudioR1'

numid=46,iface=MIXER,name='HeadsetR Mixer AudioR2'

numid=44,iface=MIXER,name='HeadsetR Mixer Voice'

 

bash-3.2# alsa_amixer cset name='HeadsetL Mixer AudioL2' off

bash-3.2# alsa_amixer cset name='HeadsetR Mixer AudioR2' off

bash-3.2# alsa_amixer cset name='HandsfreeL Switch' on

bash-3.2# alsa_amixer cset name='HandsfreeL Mux' 1

 

 

喇叭工作

#!/system/bin/sh

alsa_amixer cset name='PreDriv Playback Volume' 1

alsa_amixer cset name='Analog Capture Volume' 3

alsa_amixer cset name='DAC2 Analog Playback Volume' 3

 

alsa_amixer cset name='HeadsetL Mixer AudioL2' off

alsa_amixer cset name='HeadsetR Mixer AudioR2' off

alsa_amixer cset name='HandsfreeR Switch' on

alsa_amixer cset name='HandsfreeL Switch' on

alsa_amixer cset name='HandsfreeL Mux' 1

alsa_amixer cset name='HandsfreeR Mux' 1

alsa_amixer cset name='PredriveL Mixer AudioL2' off

alsa_amixer cset name='PredriveL Mixer AudioR2' on

 

alsa_amixer cset name='Earpiece Mixer AudioL1' 1

#alsa_amixer cset name='Earpiece Mixer AudioL2' 1

alsa_amixer cset name='Analog Left Capture Route Main mic' 1

alsa_amixer cset name='Analog Right Capture Route Sub mic' 1

alsa_amixer cset name='Right2 Analog Loopback Switch' 1

#alsa_amixer cset name='Left2 Analog Loopback Switch' 1

alsa_amixer cset name='Left1 Analog Loopback Switch' 1

 

耳机工作

#!/system/bin/sh

alsa_amixer cset name='PreDriv Playback Volume' 1

alsa_amixer cset name='Analog Capture Volume' 3

alsa_amixer cset name='DAC2 Analog Playback Volume' 9

 

#alsa_amixer cset name='HeadsetL Mixer AudioL2' off

#alsa_amixer cset name='HeadsetR Mixer AudioR2' off

#alsa_amixer cset name='HandsfreeR Switch' on

#alsa_amixer cset name='HandsfreeL Switch' on

#alsa_amixer cset name='HandsfreeL Mux' 1

#alsa_amixer cset name='HandsfreeR Mux' 1

#alsa_amixer cset name='PredriveL Mixer AudioL2' off

#alsa_amixer cset name='PredriveL Mixer AudioR2' on

 

alsa_amixer cset name='Earpiece Mixer AudioL1' 1

#alsa_amixer cset name='Earpiece Mixer AudioL2' 1

alsa_amixer cset name='Analog Left Capture Route Main mic' 1

alsa_amixer cset name='Analog Right Capture Route Sub mic' 1

alsa_amixer cset name='Right2 Analog Loopback Switch' 1

#alsa_amixer cset name='Left2 Analog Loopback Switch' 1

alsa_amixer cset name='Left1 Analog Loopback Switch' 1