Hi - I didn't get any response about this - can anyone make any suggestion? Do I need to submit further debugging output? On 28/08/11 10:38, Daniel Pocock wrote: > > > I recently bought the Creative X-Fi HD USB. Everything seems to work > except that the iec958 PCM appears to be muted, and I can't find a > control for it. > > The command `aplay -L' tells me that the device is present: > > iec958:CARD=HD,DEV=0 > USB Sound Blaster HD, USB Audio > IEC958 (S/PDIF) Digital Audio Output > > A command such as: > > ~$ aplay -D plug:iec958 test.wav > Playing WAVE '/usr/share/sounds/purple/login.wav' : Signed 16 bit Little > Endian, Rate 22050 Hz, Stereo > > appears to be sending output to the iec958 device, and returns without > error. However, > - I don't hear anything. > - My amplifier reports no signal is being received on the optical port, > even while aplay is running > > I've checked the amixer scontrols and controls (see below), no option > appears to be present. > > I've also tested the same hardware (X-Fi USB device, optical cable and > amplifier) connected to a Windows machine, and it worked immediately, so > I don't believe there is any hardware/cable issue. The `no signal' > light flashes on the amplifier, but becomes solid (signal present) when > Windows plays a sound. > > I've attached system info below. > > > > # using Debian squeeze amd64 > $ uname -a > Linux host 2.6.32-5-amd64 #1 SMP Tue Jun 14 09:42:28 UTC 2011 x86_64 > GNU/Linux > > > ~$ cat /proc/asound/devices > 2: : timer > 3: : sequencer > 4: [ 0- 2]: digital audio playback > 5: [ 0- 1]: digital audio playback > 6: [ 0- 1]: digital audio capture > 7: [ 0- 0]: digital audio playback > 8: [ 0- 0]: digital audio capture > 9: [ 0] : control > > > > ~$ aplay -L > null > Discard all samples (playback) or generate zero samples (capture) > default:CARD=HD > USB Sound Blaster HD, USB Audio > Default Audio Device > front:CARD=HD,DEV=0 > USB Sound Blaster HD, USB Audio > Front speakers > surround40:CARD=HD,DEV=0 > USB Sound Blaster HD, USB Audio > 4.0 Surround output to Front and Rear speakers > surround41:CARD=HD,DEV=0 > USB Sound Blaster HD, USB Audio > 4.1 Surround output to Front, Rear and Subwoofer speakers > surround50:CARD=HD,DEV=0 > USB Sound Blaster HD, USB Audio > 5.0 Surround output to Front, Center and Rear speakers > surround51:CARD=HD,DEV=0 > USB Sound Blaster HD, USB Audio > 5.1 Surround output to Front, Center, Rear and Subwoofer speakers > surround71:CARD=HD,DEV=0 > USB Sound Blaster HD, USB Audio > 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers > iec958:CARD=HD,DEV=0 > USB Sound Blaster HD, USB Audio > IEC958 (S/PDIF) Digital Audio Output > > > > ~$ amixer > Display all 298 possibilities? (y or n) > daniel@srv1:~$ amixer scontrols > Simple mixer control 'PCM',0 > Simple mixer control 'PCM Capture Source',0 > daniel@srv1:~$ amixer scontents > Simple mixer control 'PCM',0 > Capabilities: pvolume pswitch pswitch-joined penum > Playback channels: Front Left - Front Right > Limits: Playback 0 - 128 > Mono: > Front Left: Playback 0 [0%] [0.00dB] [off] > Front Right: Playback 0 [0%] [0.00dB] [off] > Simple mixer control 'PCM Capture Source',0 > Capabilities: enum > Items: 'Mic' 'Line' 'Phonograph' > Item0: 'Line' > > > > ~$ amixer contents > numid=1,iface=MIXER,name='PCM Playback Switch' > ; type=BOOLEAN,access=rw------,values=1 > : values=off > numid=2,iface=MIXER,name='PCM Playback Volume' > ; type=INTEGER,access=rw---R--,values=2,min=0,max=128,step=0 > : values=0,0 > | dBminmax-min=0.00dB,max=0.00dB > numid=3,iface=MIXER,name='PCM Capture Source' > ; type=ENUMERATED,access=rw------,values=1,items=3 > ; Item #0 'Mic' > ; Item #1 'Line' > ; Item #2 'Phonograph' > : values=1 > > > ------------------------------------------------------------------------------ > EMC VNX: the world's simplest storage, starting under $10K > The only unified storage solution that offers unified management > Up to 160% more powerful than alternatives and 25% more efficient. > Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev > _______________________________________________ > Alsa-user mailing list > Alsa-user@xxxxxxxxxxxxxxxxxxxxx > https://lists.sourceforge.net/lists/listinfo/alsa-user ------------------------------------------------------------------------------ Special Offer -- Download ArcSight Logger for FREE! Finally, a world-class log management solution at an even better price-free! And you'll get a free "Love Thy Logs" t-shirt when you download Logger. Secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsisghtdev2dev _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user