[alsa-devel] [PATCH] ASoC: Ensure we delay long enough for WM8994 FLL to lock when starting

Mark Brown broonie at opensource.wolfsonmicro.com
Mon Jul 4 02:44:54 CEST 2011

On Mon, Jul 04, 2011 at 08:59:45AM +0900, Sangbeom Kim wrote:
> Saturday, July 02, 2011 9:35 AM, Mark Brown wrote:

> > This delay is very conservative.

> What's the meaning of conservative?

In this context it means safe.

> It means 5ms delay long enough? 
> or at least, FLL lock time should be ensured 5ms?

Yes, the 5ms should be more than enough time for the FLL to lock - in
most situations the time taken to do the register writes surrounding
enabling and then using the FLL are sufficient to cover the startup

More information about the Alsa-devel mailing list