On Fri, 2008-02-08 at 12:00 +0000, Nitin Mahajan wrote: > HI! > > I am working with a Au1200 based board and trying to > make the audio(AC97 + STAC9752) work after applying > the ASoC patch at > http://opensource.wolfsonmicro.com/~git/asoc/. > > After writing the machine driver for my board based on > the exmmb-ac97.c as a template, my codec is being > detected, which is on PSC1. > > But when I play some .wav file using aplay, I get to > hear the sound with a very low volume, which is almost > not recognizable. It sounds like the AC97 link is up and running and your DMA is sending PCM data to the codec. > > I unmuted the codec with these two commands > > #amixer set "Master" 255 unmute > #amixer set "PCM" 255 unmute > > I also tried to watch /proc/interrupts but I am not > able to see any interrupts coming on IRQ 11 that is > for PSC1. > > Could some one provide more insight into what might be > going wrong? > Can you try using alsamixer. It's possible you are not unmuting the correct kcontrols. Liam _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
