2009/11/30 Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > On Mon, Nov 30, 2009 at 11:43:23AM +0100, javier Martin wrote: > > Hi Sascha, > > have you tested capture direction on an i.MX27 based board? > > > > I have been testing your patches in the place you suggested and playback > > seems to work fine but I have several problems with capture stream. I > found > > a BUG in the audmux_v1 code > > and I have fixed it but I am still having problems with capture. The file > > keeps empty and nothing is recorded. > > Capture works fine on my boards. > > > > > Please could you try the following on an i.MX27 based board? > > > > arecord -t raw -c 1 -f S16_LE test.wav > > Does it work with two channels? Do you use DMA or FIQ? Could you try the > other variant? > Unfortunately, I can't test it using two channels because our board has a wm8974 mono codec. Please could you point me how can I change between FIQ and DMA? I thought FIQ was only for AC97, It helped me a lot during development to use a tool like memedit > (http://www.pengutronix.de/software/memedit/index_en.html) to show a > register dump of the SSI/Audmux units of a working setup and a non > working setup. Usually the differences showed quite fast why one was > working and the other was not. > Indeed, this will be my next step. Thank you for the tip. -- Javier Martin Vista Silicon S.L. CDTUC - FASE C - Oficina S-345 Avda de los Castros s/n 39005- Santander. Cantabria. Spain +34 942 25 32 60 www.vista-silicon.com _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
