From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Two sound cards, only sound out of one Date: Mon, 25 Aug 2003 12:59:37 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <20030824121353.06de39c8.erikd-alsa@mega-nerd.com> Mime-Version: 1.0 (generated by SEMI 1.14.4 - "Hosorogi") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <20030824121353.06de39c8.erikd-alsa@mega-nerd.com> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Erik de Castro Lopo Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Sun, 24 Aug 2003 12:13:53 +1000, Erik de Castro Lopo wrote: > > Hi all, > > Using version 0.9.6 of alsa-*. > > I have two ENS1371 based cards plugged into the one machine: > > root@sound:~# cat /proc/asound/cards > 0 [AudioPCI ]: ENS1371 - Ensoniq AudioPCI > Ensoniq AudioPCI ENS1371 at 0xa400, irq 10 > 1 [AudioPCI_1 ]: ENS1371 - Ensoniq AudioPCI > Ensoniq AudioPCI ENS1371 at 0x9400, irq 5 > > I have also set up a /etc/asound.conf file containing aliases for the > cards named "card0" and "card1". > > I have also run alsamixergui with "-c 0" and "-c 1" parameters to set up > output volumes on the two cards (and the controls on the two alsamixergui > instances behave independantly). > > However, when I playback a sound file using: > > aplay -D card0 a.wav > aplay -D card1 a.wav > > Only card0 produces sound. I have also tried physically swapping the cards > but only card0 produces sound. I have also tried the -v option to aplay to > confirm that the output is going to device 0 and device 1. if aplay -vv shows the correct configuration and VU meters, i'd suspect it's a hardware issue. i.e. mixer mutes or physical connection. to check the card's playback without physical connection, you can record via loopback like the following procedure: 1. choose "Mix" as the capture source. 2. turn on "Capture" switch. 3. raise "Capture" volume. 4. adjust "PCM" and "Master" volumees and switches. 5. play a file and record at the same time. 6. check the recorded file also, you can try to swap the card order, options snd-ens1371 index=1,0 Takashi ------------------------------------------------------- This SF.net email is sponsored by: VM Ware With VMware you can run multiple operating systems on a single machine. WITHOUT REBOOTING! Mix Linux / Windows / Novell virtual machines at the same time. Free trial click here:http://www.vmware.com/wl/offer/358/0