From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Lonnie Mendez" Subject: Problem with snd-usb-audio (usbmixer) Date: Tue, 17 Aug 2004 18:33:27 -0500 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: <000f01c484b2$9a712d10$0200a8c0@jedi> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org (See description below) Specs: linux kernel 2.6.8.1 (sound subsystem built-in, usb-audio module from USB Support not compiled) alsa-driver 1.0.6a (usb-audio module selected) Problem occurs on: uhci/ehci intel p3 abit bh6 and uhci intel p3 laptop Relevant messages: dmesg: ALSA /work/alsa-driver-1.0.6a/usb/usbaudio.c:2573: 8:1:1: add audio endpoint 0x2 ALSA /work/alsa-driver-1.0.6a/usb/usbaudio.c:2573: 8:1:2: add audio endpoint 0x2 ALSA /work/alsa-driver-1.0.6a/alsa-kernel/usb/usbmixer.c:866: [3] FU [PCM Playback Switch] ch = 1, val = 0/1/1 ALSA /work/alsa-driver-1.0.6a/alsa-kernel/usb/usbmixer.c:866: [3] FU [PCM Playback Volume] ch = 2, val = -32768/0/256 ALSA /work/alsa-driver-1.0.6a/alsa-kernel/usb/usbmixer.c:313: cannot get ctl value: req = 0x83, wValue = 0x200, wIndex = 0x300, type = 4 ALSA /work/alsa-driver-1.0.6a/alsa-kernel/usb/usbmixer.c:611: 3:0: cannot get min/max values for control 2 (id 3) ALSA /work/alsa-driver-1.0.6a/alsa-kernel/usb/usbmixer.c:866: [3] FU [PCM Playback Volume] ch = 1, val = 0/1/1 /proc/asound devices: 0: [0- 0]: ctl 16: [0- 0]: digital audio playback 33: : timer cards: 0 [PCM2702 ]: USB-Audio - Burr-Brown Japan PCM2702 Burr-Brown Japan Burr-Brown Japan PCM2702 at usb-0000:00:0b.3-6.4, full speed alsamixer fails with: alsamixer: function snd_mixer_load failed: Invalid argument amixer fails with: amixer: Mixer default load error: Invalid argument alsasound script given command stop will yield these results: Shutting down driver: /usr/sbin/alsactl: get_control:194: Cannot read control '2,0,0,PCM Playback Volume,1': Invalid argument You can view lsusb -vv output here: http://geocities.com/i0xox0i/lsusboutput.txt Every time I try loading the snd-usb-audio module usbmixer will fail to get or set values. I'm guessing this device is going to require a custom mixer map to be created in usbmixer_maps.c? How exactly should this be written given the output from the lsusb in verbose mode? ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285