From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick Shirkey Subject: Re: USB Audio/Midiman - partial success Date: Tue, 10 Sep 2002 22:41:49 +0900 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: <3D7DF69D.8080209@boosthardware.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Takashi Iwai Cc: Clemens Ladisch , alsa-devel List-Id: alsa-devel@alsa-project.org Takashi Iwai wrote: > At Tue, 10 Sep 2002 10:58:34 +0200 (METDST), > Clemens Ladisch wrote: > >>>>The two PCM devices cannot be used at the same time anyway, so I think >>>>creating a quirk for interface 0 which says "ignore this" could work. >>>>Takashi, any comments? >>> >>>i think implementing a semaphore (or flag) for each endpoint would be >>>better, so that the driver can find generally double-endpoints >>>problem. >> >>I cannot imagine anybody else would be stupid enough to design a device >>with double endpoints. But then I didn't imagine Midiman would, either. >>Oh well, Murphy's Law ... :-( > > > I found that M-Audio quattro has the same problem. > the same endpoints are shared among different interfaces. sigh... > I think a possible reason for this in the quattro is to ensure that customers eventually have to upgrade to a next gen device. From what I remember the win drivers will only allow stereo i/o at 96Khz. Even though it has 4 channels or 2 stereo devices. If there was a Midiman rep on this list they could rebute that ;P -- Patrick Shirkey - Boost Hardware Ltd. For the discerning hardware connoisseur Http://www.boosthardware.com Http://www.boosthardware.com/LAU/guide/ ======================================== "Um...symbol_get and symbol_put... They're 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 ------------------------------------------------------- This sf.net email is sponsored by: OSDN - Tired of that same old cell phone? Get a new here for FREE! https://www.inphonic.com/r.asp?r=sourceforge1&refcode1=vs3390