[alsa-devel] [PATCH V1 08/11] ASoc: DaVinci: i2s, Improve underrun, support mono

[Mark Brown]

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.