I tried to send the mp3 file directly to the device by using the cat command. But it failed to play the mp3 file [root@SIRIUS /tmp]#cat /usr/local/Songs/AjRaj-Anthimanthirai-Theme4.mp3 >/dev/snd/pcmC0D0p playback_open cat: Write Error: File descriptor in bad state hw_free snd_card_pxa_tsc2301_playback_close [root@SIRIUS /tmp]# On Wed, 2007-10-24 at 10:11 +0530, Tharmarajan G wrote: > Hi, > I am working on a Development Board which has the PXA270 processor and > TSC2301 Audio Codec Chip. > > The TSC2301 Chip is interfaced with the processor by SPI interface for > reading/writing the TSC2301's registers. > > The TSC2301 Chip is interfaced with the processor by I2S interface for > sending/receiving Audio Data to/from the TSC2301 Audio Codec Chip. > > I have downloaded the pxa-uda1380.c alsa driver source for uda1380 > audio codec chip and modified it for tsc2301 . > > I am using the kernel version 2.6.22 and cross-compiler version > arm-linux-gcc 3.4.1. > > I have built the kernel image with ALSA audio support and the > applications aplay and arecord for playing and recording audio data > using ALSA api. > > I have got the alsa related entries in the /proc filesystem . But when > playing the aplay, it failed to open the device. > > [root@SIRIUS /flash2]#./aplay /usr/local/Songs/AjRaj-Anthimanthirai-Theme4.mp3 > ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM default > aplay: main:545: audio open error: No such file or directory > [root@SIRIUS /flash2]# > > /aplay > -D /dev/snd/pcmC0D0p /usr/local/Songs/AjRaj-Anthimanthirai-Theme4.mp3 > ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown > PCM /dev/snd/pcmC0D0p > aplay: main:545: audio open error: No such file or directory > > > What could be the issue ? Am I missing anyting in the driver for alsa ? > > > Regards, > Tharmarajan G > > > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@xxxxxxxxxxxxxxxx > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
