On Sat, 2006-06-24 at 18:28 +0200, EmIScA wrote: > I have a Trust SC-5100 soundcard > (http://www.trust.com/products/product.aspx?artnr=14319) based on a > cmi-8738-mc6 chip. I have problems with surround output. > I have no sound from rear speakers (I've tried to switch all the mixer > commands in all the combinations). If I set: > options snd_pcm_hw_params_set_format(pcm, hw, SND_PCM_FORMAT_S16_LE); > > I have sound from rear speakers, but it's corrupted and noisy. > I tried many kernel/alsa modules versions. The only that worked fine and > without noise (only using kaffeine/xine) is alsa 1.0.9 bundled with suse > 10.0 kernel 2.6.13. But I had many other problems with that distrubution. > Now I have Ubuntu Dapper with a vanilla 2.6.17.1 kernel, with 1.0.11 > alsa utilities recompiled from debian sid packages. > > > How I can debug the behaviour of the card, so I could help the developer > who wrote the driver? > What kind of output I can post? What tests can I do?
Try to identify the change that broke it. Start with "alsa 1.0.9 bundled with suse 10.0 kernel 2.6.13" and upgrade incrementally until you find the first non-working version. Lee Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
