Thanks for the reply. The contents of my /dev/snd are given below. lrwxrwxrwx root root 1970-01-01 00:00 timer -> /dev/ timer lrwxrwxrwx root root 1970-01-01 00:00 controlC0 -> / dev/controlC0 lrwxrwxrwx root root 1970-01-01 00:00 pcmC0D0p -> / dev/pcmC0D0p lrwxrwxrwx root root 1970-01-01 00:00 pcmC0D0c -> / dev/pcmC0D0c
I am creating soft link from the /dev/ directory. are these device nodes not enough?? Pramod On Jun 7, 2:28 pm, Pavan Savoy <[email protected]> wrote: > ls /dev/snd/ should show up both pcmCxDxP/C sort of pcm devices and also > Controlx sort of control devices, for you to do an amixer upon it. > > alsa_aplay -L here I suppose shows only pcm devices you have ? > > > > On Mon, Jun 7, 2010 at 2:52 PM, pramod <[email protected]> wrote: > > Hi All, > > > I am currently writing the asound.conf file for my hardware Sigma > > 8654. > > The alsa utils are working fine and detecting the card. > > > # alsa_aplay -L > > default:CARD=EM8XXX > > EM8xxx card, EM8xxx > > Default Audio Device > > null > > Discard all samples (playback) or generate zero samples (capture) > > # > > # alsa_aplay -l > > **** List of PLAYBACK Hardware Devices **** > > card 0: EM8XXX [EM8xxx card], device 0: em8xxx [EM8xxx] > > Subdevices: 2/2 > > Subdevice #0: subdevice #0 > > Subdevice #1: subdevice #1 > > > Using the alsa_amixer i am able to get the below output. > > > # alsa_amixer contents > > numid=1,iface=MIXER,name='Hardware Master Playback Volume' > > ; type=INTEGER,access=rw------,values=2,min=0,max=73,step=0 > > : values=49,49 > > numid=3,iface=MIXER,name='IEC958 Playback Con Mask' > > ; type=IEC958,access=r-------,values=1 > > : values=[AES0=0xff AES1=0xff AES2=0xff AES3=0xff] > > numid=4,iface=MIXER,name='IEC958 Playback Switch' > > ; type=BOOLEAN,access=rw------,values=1 > > : values=on > > numid=5,iface=MIXER,name='Decoder Weight' > > ; type=INTEGER,access=rw------,values=2,min=0,max=73,step=0 > > : values=0,0 > > numid=2,iface=PCM,name='IEC958 Playback Default' > > ; type=IEC958,access=rw------,values=1 > > : values=[AES0=0x00 AES1=0x00 AES2=0x00 AES3=0x00] > > > Looking at the above values i have written below configuration. > > > pcm.AndroidPlayback { > > type hooks > > slave.pcm { > > type hw > > card 0 > > device 0 > > } > > hooks.0 { > > type ctl_elems > > hook_args [ > > { > > name 'Hardware Master Playback Volume' > > value.0 49 > > value.1 49 > > } > > { > > name 'IEC958 Playback Default' > > value [ 0x00 0x00 0x00 0x00 ] > > } > > { > > name 'IEC958 Playback Con Mask' > > value [ 0xff 0xff 0xff 0xff ] > > } > > { > > name 'IEC958 Playback Switch' > > value true > > } > > { > > name 'Decoder Weight' > > value.0 0 > > value.1 0 > > } > > > ] > > } > > } > > > But i am getting still the below errors while booting android. > > > E/ALSALib ( 1332): external/alsa-lib/src/control/control.c:909: > > (snd_ctl_open_noupdate) Invalid CTL AndroidOut > > E/AudioHardwareALSA( 1332): Unable to attach mixer to device > > AndroidOut: No such file or directory > > E/AudioHardwareALSA( 1332): Unable to attach mixer to device default: > > No such file or directory > > E/ALSALib ( 1332): external/alsa-lib/src/control/control.c:909: > > (snd_ctl_open_noupdate) Invalid CTL AndroidIn > > E/AudioHardwareALSA( 1332): Unable to attach mixer to device > > AndroidIn: No such file or directory > > E/AudioHardwareALSA( 1332): Unable to attach mixer to device default: > > No such file or directory > > > Please provide some directions for solving the above issue. > > Thanks in advance. > > Pramod > > > -- > > unsubscribe: [email protected] > > website:http://groups.google.com/group/android-porting > > -- > --Pavan Savoy -- unsubscribe: [email protected] website: http://groups.google.com/group/android-porting
