[alsa-devel] [PATCH] ASoC: Suppress restore of default register values for rbtree cache sync

[Liam Girdwood]

On 03/06/11 16:37, Mark Brown wrote:
> Currently the rbtree code will write out the entire register map when
> doing a cache sync which is wasteful and will slow things down. Check
> to see if the value we're about to write is the default and don't bother
> restoring it if it is, either the value will have been retained or the
> device will have been reset and holds the value already.
> 
> We should really store the defaults in the nodes but this resolves the
> immediate issue.
> 
> Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
> ---

Acked-by: Liam Girdwood <lrg at ti.com>