On Friday 08 January 2010, David K?gedal wrote: >Lennart Poettering <lennart at poettering.net> writes: >> On Thu, 07.01.10 17:31, David K?gedal (davidk at lysator.liu.se) wrote: >>> >> Sure, I will do that. But I'm still not sure I understand why we >>> >> aren't using then perfectly good name "M-Audio FastTrack Pro" that >>> >> apparently is reported by ALSA in /proc/asound/cards. >>> > >>> > See Lennart's point 3 above. In *your* case it's nice, but apparently >>> > in the majority of cases it's not nice and totally generic which is no >>> > use to anyone. >>> >>> Yes, the USB information is nice for me. But PA shows a broken string >>> that it seems to have invented itself. So far, nobody has been able to >>> explain why it does that (until you gave a suggestion below). If it had >>> simply used the USB information, I would have been happy. >> >> You maybe., most others not. It is a simple fact that most >> manufacturers dont give teh USB descriptor data the love it deserves, >> e.g. very seldomly the USB serial id is actually useful. > >Sure. But I'm just complaining that someone (perhaps udev) is making it >deliberately worse, so that it isn't usefule even if the manufacturer >gets its act together. > >> The USB descriptor data is available via sysfs >> (/sys/bus/usb/devices/*-*/manufacturer and >> /sys/bus/usb/devices/*-*/product). If you check that you will notice >> that very often the data in those fields is not exactly useful if it >> is available at all (in which case those files wont exist) > >All of them look pretty good on my system: > >krank% cat /sys/bus/usb/devices/*/product >PS2 to USB Converter >Microsoft 5-Button Mouse with IntelliEye(TM) >FastTrack Pro >USB2.0 Hub Controller >O2Micro CCID SC Reader >EHCI Host Controller >EHCI Host Controller >UHCI Host Controller >UHCI Host Controller >UHCI Host Controller >UHCI Host Controller >UHCI Host Controller Just as a comment, that many 'host controllers' looks odd. From my rather voluminous usb tree: [root at coyote nitros9]# cat /sys/bus/usb/devices/*/product USB FAST SERIAL ADAPTER HL-2140 series USB HS SERIAL CONVERTER Standard USB Hub USB2.0 Hub EPSON Scanner 010F USB2.0 MFP(Hi-Speed) BCM92046DG-CL1ROM BCM2046B1 USB Receiver Belkin UPS EHCI Host Controller OHCI Host Controller Only one of each standard here. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) He is considered a most graceful speaker who can say nothing in the most words.
