On Fri, Aug 14, 2009 at 15:19:56, Viral Sachde wrote: > Hi all, > > I was trying to play audio on Linux Kernel v2.6.31-rc5-davinci1. > I have enabled ALSA related following configurations: > <*> Sequencer support > <*> OSS Mixer API > <*> OSS PCM (digital audio) API > [*] OSS PCM (digital audio) API - Include plugin system > [*] Support old ALSA API > [*] Verbose procfs contents > [*] Verbose printk > [*] Generic sound devices > [*] ARM sound devices ---> > <*> ALSA for SoC audio support > <*> SoC Audio for the TI DAVINCI chip > <*> SoC Audio support for DaVinci DM6446 or DM355 EVM > > In dmesg, I can see one alsa device. > > I was able to play back using my old oss based application, but when I > tried to play using aplay utility, output was not available. > I also tried to use amixer but it failed as below: > > [email protected]:~# amixer cset numid=1 127,127 > ALSA sound/core/control.c:1227: ALSA sound/core/control.c:1227: > unknown ioctl = 0xc2c85513 > > unknown ioctl = 0xc2c85513 > amixer: Control default element write error: Inappropriate ioctl for device > > Any suggestions ? >
Viral, I checked with the above configuration options you have set, I do not observe the issues you have mentioned. Tested it on DM6446 and DM355 EVM. Both ALSA and OSS emulation are working fine. I am using Sourcery G++ Lite 2009q1-203 tool chain and Arago file system Arago 2009.03-rc4. Regards, Chaithrika > Regards, Viral > > _______________________________________________ > Davinci-linux-open-source mailing list > [email protected] > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source > _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
