Hi, On Sun, Jan 24, 2016 at 07:26:43PM -0800, Rick Thomas wrote: > > root@base:~# cat /proc/asound/devices > > 2: [ 0] : control > > 3: [ 0- 0]: digital audio playback > > 4: [ 0- 0]: digital audio capture > > 33: : timer > > root@base:~# cat /proc/asound/cards > > 0 [i2scs42l51hifi ]: i2s-cs42l51-hif - i2s-cs42l51-hifi > > i2s-cs42l51-hifi > > Full of hope, I did "aptitude install mp321" which went without any visible problems. > > Then hooked up a pair of earphones to the "speaker" plug on the Client and ran > > > root@base:~# mpg321 -v /tmp/Jersey.mp3 > > High Performance MPEG 1.0/2.0/2.5 Audio Player for Layer 1, 2, and 3. > > Version 0.3.2-1 (2012/03/25). Written and copyrights by Joe Drew, > > now maintained by Nanakos Chrysostomos and others. > > Uses code from various people. See 'README' for more! > > THIS SOFTWARE COMES WITH ABSOLUTELY NO WARRANTY! USE AT YOUR OWN RISK! > > Title : The Jersey Bounce Artist : Zazuzaz > > Album : An Evening with ZaZuZaz Year : 2000 > > Comment : Amazon.com Song ID: 201809221 Genre : Jazz > > > > Directory: /tmp > > Playing MPEG stream from Jersey.mp3 ... > > MPEG 1.0, Layer: III, Freq: 44100, mode: Joint-Stereo, modext: 0, BPF : 2560 > > Channels: 2, copyright: No, original: Yes, CRC: No, emphasis: 0. > > Bitrate: 128 Kbits/s, Extension value: 0 > > Audio: 1:1 conversion, rate: 44100, encoding: signed 16 bit, channels: 2 > > ALSA lib pcm.c:2267:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front > > ^C > > [0:20] Decoding of Jersey.mp3 finished. > > So it seemed to be running OK... But there was no sound in the > earphones. I also tried adding option "-g 50" to set the gain explicitly. > Still no sound. > > Is there a hardware jumper I need to set to activate sound on the > OpenRD Client board? On my board I need to say "amixer set PCM on". Can you post the full output from "amixer" without any parameters? Also check if you have this line in dmesg: asoc-simple-card sound: cs42l51-hifi <-> i2s mapping ok If it says "spdif" the player runs but is silent. A. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html