The ALSA problem troubled me for a few days, I found some infos from
here,and I modified BoardConfig.mk exactly as all guys said below
http://groups.google.com/group/android-porting/browse_thread/thread/ea411a5becb8aa3f/61334919dcaaeba5?lnk=gst&q=ALSA#61334919dcaaeba5
but ,the alsa still can't work . the alsa_amixer commed can be
executed well, I can saw the all mixer controls. the error occurred
while logcat be executing , the error log is below. I have no idea
which file is "Permission denied". I have changed authority to 777 of
all rootfs file befor copy to sd card.
The /proc/asound/cards info is as follow:
cat cards
0 [Interface ]: aaci-pl041 - ARM AC'97 Interface
ARM AC'97 Interface at 0x000000002002b000, irq 7
My sound card is WM9713
can any guys give me a hand? thanks...
----------------------------------------------------------------
I/ ( 1841): ServiceManager: 0xac38
W/AudioFlinger( 1841): AudioFlinger::AudioFlinger()
I/AudioHardwareInterface( 1841): Creating Vendor Specific
AudioHardware
I/AudioHardwareALSA( 1841): ALSAMixer::ALSAMixer
E/AudioHardwareALSA( 1841): Unable to attach mixer to device
AndroidPlayback: Permission denied
E/AudioHardwareALSA( 1841): Unable to attach mixer to device default:
No such file or directory
E/AudioHardwareALSA( 1841): Unable to attach mixer to device
AndroidRecord: Permission denied
E/AudioHardwareALSA( 1841): Unable to attach mixer to device default:
No such file or directory
I/DEBUG ( 1755): *** *** *** *** *** *** *** *** *** *** *** *** ***
*** *** ***
I/DEBUG ( 1755): Build fingerprint: 'generic/generic/generic/:1.5/
CUPCAKE/eng.root.20090713.200357:eng/test-keys'
I/DEBUG ( 1755): pid: 1841, tid: 1841 >>> /system/bin/mediaserver
<<<
I/DEBUG ( 1755): signal 11 (SIGSEGV), fault addr 00000010
I/DEBUG ( 1755): r0 00000000 r1 ab78897c r2 00000000 r3 00000000
I/DEBUG ( 1755): r4 0000ad98 r5 0000ad68 r6 be880a28 r7 ab01bea8
I/DEBUG ( 1755): r8 0000af08 r9 00000000 10 ab798c70 fp be880acc
I/DEBUG ( 1755): ip 00000018 sp be880a20 lr ab71d8dc pc
ab745470 cpsr 00000010
I/DEBUG ( 1755): #00 pc 00045470 /system/lib/libaudio.so
I/DEBUG ( 1755): #01 pc 0001d8d8 /system/lib/libaudio.so
I/DEBUG ( 1755): #02 pc 0001dce0 /system/lib/libaudio.so
I/DEBUG ( 1755): #03 pc 0001dd7c /system/lib/libaudio.so
I/DEBUG ( 1755): #04 pc 00086bb8 /system/lib/libaudio.so
I/DEBUG ( 1755): #05 pc 00017174 /system/lib/
libaudioflinger.so
I/DEBUG ( 1755): #06 pc 00017318 /system/lib/
libaudioflinger.so
I/DEBUG ( 1755): #07 pc 00008768 /system/bin/mediaserver
I/DEBUG ( 1755): #08 pc 0001fd22 /system/lib/libc.so
I/DEBUG ( 1755): #09 pc 0000bcb2 /system/lib/libc.so
I/DEBUG ( 1755): #10 pc b000157e /system/bin/linker
I/DEBUG ( 1755): stack:
I/DEBUG ( 1755): be8809e0 00000001
I/DEBUG ( 1755): be8809e4 afe22641 /system/lib/libc.so
I/DEBUG ( 1755): be8809e8 ab788978 /system/lib/libaudio.so
I/DEBUG ( 1755): be8809ec 0000af19 [heap]
I/DEBUG ( 1755): be8809f0 ab01bea8
I/DEBUG ( 1755): be8809f4 0000af08 [heap]
I/DEBUG ( 1755): be8809f8 00000000
I/DEBUG ( 1755): be8809fc ab798c70
I/DEBUG ( 1755): be880a00 be880acc [stack]
I/DEBUG ( 1755): be880a04 0000af19 [heap]
I/DEBUG ( 1755): be880a08 00000003
I/DEBUG ( 1755): be880a0c afb05bcf /system/lib/libcutils.so
I/DEBUG ( 1755): be880a10 00000064
I/DEBUG ( 1755): be880a14 0000ad68 [heap]
I/DEBUG ( 1755): be880a18 df002777
I/DEBUG ( 1755): be880a1c e3a070ad
I/DEBUG ( 1755): #01 be880a20 00000034
I/DEBUG ( 1755): be880a24 0000ada8 [heap]
I/DEBUG ( 1755): be880a28 00000000
I/DEBUG ( 1755): be880a2c 00000000
I/DEBUG ( 1755): be880a30 00000000
I/DEBUG ( 1755): be880a34 00000000
I/DEBUG ( 1755): be880a38 00000000
I/DEBUG ( 1755): be880a3c 00000000
I/DEBUG ( 1755): be880a40 00000000
I/DEBUG ( 1755): be880a44 00000000
I/DEBUG ( 1755): be880a48 00000000
I/DEBUG ( 1755): be880a4c 00000000
I/DEBUG ( 1755): be880a50 00000000
I/DEBUG ( 1755): be880a54 00000000
I/DEBUG ( 1755): be880a58 00000000
I/DEBUG ( 1755): be880a5c 00000000
I/DEBUG ( 1755): be880a60 00000000
I/DEBUG ( 1755): be880a64 00000000
I/DEBUG ( 1755): be880a68 00000100
I/DEBUG ( 1755): be880a6c afe0e940 /system/lib/libc.so
I/DEBUG ( 1755): be880a70 0000ab30 [heap]
I/DEBUG ( 1755): be880a74 fffefa78
I/DEBUG ( 1755): be880a78 fffef2e0
I/DEBUG ( 1755): be880a7c 000002ec
I/DEBUG ( 1755): be880a80 0000023c
I/DEBUG ( 1755): be880a84 0000ad98 [heap]
I/DEBUG ( 1755): be880a88 0000af19 [heap]
I/DEBUG ( 1755): be880a8c 00000000
I/DEBUG ( 1755): be880a90 ab79901c
I/DEBUG ( 1755): be880a94 0000ad98 [heap]
I/DEBUG ( 1755): be880a98 000000dc
I/DEBUG ( 1755): be880a9c 58f1f77c
I/DEBUG ( 1755): be880aa0 00000000
I/DEBUG ( 1755): be880aa4 0000ad98 [heap]
I/DEBUG ( 1755): be880aa8 0000ad68 [heap]
I/DEBUG ( 1755): be880aac ab798c70
I/DEBUG ( 1755): be880ab0 ab01bea8
I/DEBUG ( 1755): be880ab4 00000000
I/DEBUG ( 1755): be880ab8 00000000
I/DEBUG ( 1755): be880abc 00000000
I/DEBUG ( 1755): be880ac0 00000000
I/DEBUG ( 1755): be880ac4 be880ad0 [stack]
I/DEBUG ( 1755): be880ac8 ab71dce4 /system/lib/libaudio.so
I/DEBUG ( 1755): be880acc ab71d7b8 /system/lib/libaudio.so
I/ServiceManager( 1784): Waiting for sevice media.audio_flinger...
W/AudioSystem( 1784): AudioFlinger not published, waiting...
I/ServiceManager( 1784): Waiting for sevice media.audio_flinger...
I/ServiceManager( 1784): Waiting for sevice media.audio_flinger...
I/ServiceManager( 1784): Waiting for sevice media.audio_flinger...
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