HI! --- Liam Girdwood <lg@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > 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 > Using alsamixer, I unmuted every possible control there , but it did not work. Only when I used amixer to unmute the controls, they really got unmuted. regards -Nitin Send instant messages to your online friends http://uk.messenger.yahoo.com _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
