On 6/3/2002 - 21:59:15, Takashi Iwai said: > At Mon, 03 Jun 2002 14:52:57 +0900, > Patrick Shirkey wrote: > > > > Takashi Iwai wrote: > > > > > > At Fri, 31 May 2002 20:55:01 +0900, > > > Patrick Shirkey wrote: > > > > > > > > Takashi Iwai wrote: > > > > > > > > > > now a new version is cvs. it dumps the descriptor at > > > > > /proc/asound/cardX/descriptor. if the cvs servers is not sync'ed, > > > > > please let me know. i'll send you a patch. > > > > > > > > > > > > > With this patch there is *alot * more info in lsusb. Excellent work. > > > > > > as you already know, it's not me but the update of usb modules :) > > > > > > anyway, could you check again whether the driver works? > > > just taking a look at the lsusb output, the device has no mixer units. > > > there are only input/output terminals. > > > so, don't be bothered even if you see no mixer controls. > > > > > > Takashi > > > > So far I cannot get sound out using > > > > cat /bin/bash > dev/dsp2 > > aplay -D hw:2,0 -f cd some.wav > > > > both return with device does not exist or similar > > please apply the attached patch and build the modules with > --with-debug=detect option. if a pcm is to be created, then it shouls > something. or it will show an error message and the reason. > > sorry, i have no time today - will take a deeper look at tomorrow. >
Me too :) > > btw, creation of pcm devices is independent from mixer devices. > so, i'm wondering why, too... > > the descriptor info is necessary to build and look up pcms and > controls for alsa. basically the usb descriptor includes _all_ > necessary information to get the driver work. > I guessed that. So in the interest of fully documenting ALSA driver design are you or others who grok it willing to write some notes on how to use/read that info? -- Patrick Shirkey - Boost Hardware Ltd For the discerning hardware connoisseur Http://www.boosthardware.com Http://www.boosthardware.com/LAU/guide/ _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
