Takashi Iwai wrote:
I haven't tested this patch yet but from last nights cvs I can report that the quattro is giving much better results while using jack.At Wed, 23 Oct 2002 09:37:31 +0200 (METDST), Clemens Ladisch wrote:Takashi Iwai wrote:Clemens Ladisch wrote:It seems the USB subsystem only loads the first id_table entry it finds for each interface. As a quick fix, remove the Quattro entry from usbquirks.h, but I'm going to write a patch to use both pcm and MIDI.ok, i'll remove it.The Quattro id_table entry matches both PCM and MIDI interfaces because I removed the interface class from most entries nine days ago. I did this because my Roland SC-8820 didn't hotplug because the kernel didn't pass the interface class to the hotplug scripts because the device class isn't zero. However, devices with different interfaces do have device class zero (well, I hope they do :), so using the interface class for matching shouldn't prevent hotplugging for these devices. This patch adds interface class matching for some devices with both PCM and MIDI interfaces.thanks! committed to cvs now.
If I run with lowlat and all the options for latency control I can get a pure sine wave from ecasound.
Alsaplayer also performs much better.
I will investigate more obviously :)
--
Patrick Shirkey - Boost Hardware Ltd.
For the discerning hardware connoisseur
Http://www.boosthardware.com
Http://www.djcj.org - The Linux Audio Users guide
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kindof like does anyone remember like get_symbol
and put_symbol I think we used to have..."
- Rusty Russell in his talk on the module subsystem
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