On Wed, Mar 07, 2007 at 01:13:52PM -0800, Janesh Ramakrishnan wrote: > > We've tried producing sound on two different AT91SAM9261-EK development > boards without success. Never believe a 'development' board is fully working until somebody has been able to demonstrate it :-( Seriously, I've no knowledge of these boards and they may be fine, but I've been bitten one time too many by a development board released to end-users.
>>>>> Yes, sound has been demonstrated to work on an AT91SAM9261-EK development >>>>> board - but unfortunately even with their set-up (including the kernel >>>>> config, RFS) we aren't able to produce a sound on the board. > We've confirmed that the micro is sending commands (over SPI) and data (over > I2S). > > alsamixer was run, and the sound unmuted for PCM, with volume controls set > using the down and upper arrows on the keyboard. But running aplay doesn't > result in sound being produced. Versions of Alsa-Utils, Alsa-lib and > alsa-driver: 1.0.13. > > Any ideas on what could be going wrong ? > About half of the problems with sound are down to "the silly things" (something critical muted or turned down, plug in the wrong socket, amp/speakers not set up correctly, or even the sound chip not enabled in the bios). >>>>> During bootup, the soundchip AT73C213 is recognized. I've double checked >>>>> the speakers and their connections, even used sensitive headphones, still >>>>> no sound. Regarding the "critical" stuff being muted, the only thing I >>>>> can think of is the alsamixer, and that's set to the maximum volume. Any >>>>> other things that could be "unmuted" ? ĸen -- das eine Mal als Tragödie, das andere Mal als Farce -- http://linuxfromscratch.org/mailman/listinfo/blfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page -- http://linuxfromscratch.org/mailman/listinfo/blfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page
