On Mon, 2009-07-06 at 12:54 +0100, Mark Brown wrote: > On Mon, Jul 06, 2009 at 06:09:16AM -0500, Steve Chen wrote: > > On Sat, 2009-07-04 at 19:29 -0700, Troy Kisky wrote: > > > > This patch will reduce the number of underruns by > > > shifting out 32 bit values instead of 16 bit. It also > > > adds mono support. > > > Doesn't ALSA already automatically handle mono-stero conversions? I > > don't think we need to provide the same functionality in the driver. > > If the hardware can natively play mono then that's less work for the CPU > to do which will improve efficiency. I see. In this case, DaVinci hardware does not support mono, but the patch does some DMA index magic to convert between mono and stereo. It works just as well then... _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
