On Sun, May 09, 2010 at 11:34:28PM +0800, Wan ZongShun wrote: > Dear Mark, > > > 2010/5/9 Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>: > > On Sun, May 09, 2010 at 10:40:07PM +0800, Wan ZongShun wrote: > > > >> At present, there is a ALC203 AC97 codec in my Winbond ARM board, and > >> I am programming > >> the audio driver based on ALSA, Who can tell me whether the current > >> ALSA is supporting > >> the ALC203 driver?how to enable it? > > > > You need a driver for the AC97 controller your system is using (for most > > ARM systems this is part of the CPU). Since AC97 provides a standard > > register interface for CODECs Linux does not require specific support > > for individual AC97 CODECs in order to get core functionality working. > > > > There is AC97 support for my chip, and I have implemented the nuc900_ac97.c > ,nuc900_pcm.c and machine board c file drivers.The three main > structure definitions > as following: does you SoC require any other configurations in other blocks that may aslo affect this, such as gpio configuratioon for the ac97 pins or some sort of clock setup? -- Ben Q: What's a light-year? A: One-third less calories than a regular year. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
