alsamixer seems to work without errors, but trying to play a sound using aplay yields the following output: ALSA lib pcm_direct.c:866:(snd1_pcm_direct_initialize_slave) snd_pcm_hw_params_any failed ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to initialize slave aplay: main:608: audio open error: Invalid argument Thanks -------------------------------------------------- From: "Bill Unruh" <unruh@xxxxxxxxxxxxxx> Sent: Tuesday, August 31, 2010 4:34 PM To: "Vladislav Rafael" <vlady.rafael@xxxxxxxxx> Cc: <alsa-user@xxxxxxxxxxxxxxxxxxxxx> Subject: Re: Sound doesn't work on embedded linux > You arfe trying to access using OSS. Try using direct alsa first., Ie, > what happens if you use aplay or arecord. Once you have also worink you > can figure out why oss emulation is not owrking > ( eg because you forgot to load the oss emulation drivers) > What does alsamixer > show? > On Tue, 31 Aug 2010, Vladislav Rafael wrote: > >> I need help with the sound on our appliance. We are compiling the kernel >> (2.6.32.4) with the alsa and the drivers configured as built -in. >> when the kernel is starting it loads the driver (Intel HDA) and >> recognizes the sound card successfully (VIA VT82xx). >> >> All the relevant devices appear (under /dev and under /proc). I can see >> IRQ 17 assigned to the sound. >> However when trying to play a sound I get an Invalid Argument error. >> >> It seems that the ioctl commands on the device return EINVAL. >> The dmesg command shows the following messages: >> >> ALSA sound/core/oss/pcm_oss.c:871: No usable accesses >> ALSA sound/core/oss/pcm_oss.c:871: No usable accesses >> ALSA sound/pci/hda/hda_codec.c:1096: hda_codec_cleanup_stream: NID=0x10 >> ALSA sound/pci/hda/hda_codec.c:1096: hda_codec_cleanup_stream: NID=0x11 >> ALSA sound/pci/hda/hda_codec.c:1096: hda_codec_cleanup_stream: NID=0x12 >> ALSA sound/pci/hda/hda_codec.c:1096: hda_codec_cleanup_stream: NID=0x13 >> >> Does anybody have any idea what can be the problem? >> >> Thanks > > -- > William G. Unruh | Canadian Institute for| Tel: +1(604)822-3273 > Physics&Astronomy | Advanced Research | Fax: +1(604)822-5324 > UBC, Vancouver,BC | Program in Cosmology | unruh@xxxxxxxxxxxxxx > Canada V6T 1Z1 | and Gravity | www.theory.physics.ubc.ca/ > ------------------------------------------------------------------------------ This SF.net Dev2Dev email is sponsored by: Show off your parallel programming skills. Enter the Intel(R) Threading Challenge 2010. http://p.sf.net/sfu/intel-thread-sfd _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
