On Wed, 2007-04-18 at 11:18 +0200, Michel Benoit wrote:> Hello again Liam,> > > Frank has written a codec driver for a dumb BT codec (attached and link> > below). This could be renamed and with a little string changes could be> > used as a generic dumb codec driver.> >> > http://opensource.wolfsonmicro.com/~lg/tmp/asoc-codec-bluecore.patch> >> >> > > I would use the eti_b1_wm8731.c as an example machine driver for your> > board. You will need to replace any WM8731 references and add your> > boards own specific clocks, gpio's etc.> >> > I am able to build a soc driver for my hardware using the bluecore> codec driver and et1_b1_wm8731 machine code as examples.> > The driver gets recognized by alsa at startup. The ssc registers are> set correctly but my original problem still remains. I can play> random noise with test/pcm_min but with test/pcm the alsa lib returns> a period_size of 0, despite the fact I set period_time to 100000.> This maybe related to an ARM gcc bug :- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27363 > I start to suspect that I have a problem with alsa lib. How did you> cross compile alsa lib för the at91? I use OpenEmbedded for all my cross compiling:- http://www.openembedded.org/ OE has the bug fix for the above gcc bug in it's toolchain. Liam _______________________________________________Alsa-devel mailing listAlsa-devel@xxxxxxxxxxxxxxxxxxxx://mailman.alsa-project.org/mailman/listinfo/alsa-devel
