[alsa-devel] [PATCH] ASoC: dapm: Only clear paths we've walked

[Liam Girdwood]

On Mon, 2013-04-01 at 12:51 +0100, Mark Brown wrote:
> From: Ryo Tsutsui <Ryo.Tsutsui at wolfsonmicro.com>
> 
> When clearing the walked flags there is no need to clear all paths, we
> only need to clear the paths we actually walked. This means we can split
> dapm_clear_walk() into input and output versions and rather than going
> through all DAPM paths we can recurse down the path until we encounter
> paths we have not yet walked.
> 
> This reduces the number of operations we need to perform and improves
> cache locality.
> 
> [Pulled out of the vendor tree that the patch was originally generated
> for by me, any bugs were introduced in that process -- broonie]
> 
> Signed-off-by: Ryo Tsutsui <Ryo.Tsutsui at wolfsonmicro.com>
> Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>

Acked-by: Liam Girdwood <liam.r.girdwood at linux.intel.com>