[alsa-devel] [PATCH] ASoC: arizona: Add delay for output disable

[Charles Keepax]

On Mon, Jan 19, 2015 at 05:07:06PM +0000, Mark Brown wrote:
> On Mon, Jan 19, 2015 at 04:58:50PM +0000, Charles Keepax wrote:
> 
> > Similar to the power up the delay needs to be cumulative as the
> > write sequences will queue themselves up if the last one is still
> > running when the next one is started. It is fairly long for a
> > udelay I will replace with an msleep(1) instead.
> 
> Given that you are needing to delay per output it's probably going to be
> better to do the coalescing of the delays - record how much delay is
> going to be needed when stopping the clock then do that at once when
> doing that.  It's going to be more friendly for the rest of the system
> to see a single delay than to delay, schedule the thread again and then
> almost immediately enter another delay.

That makes sense I will look at adding that.

Thanks,
Charles