[alsa-devel] [PATCH 1/3] ASoC: alc5623: Convert codec->hw_read to regmap_read

Mark Brown broonie at opensource.wolfsonmicro.com
Fri Oct 14 00:52:37 CEST 2011

On Fri, Oct 14, 2011 at 06:39:43AM +0800, Axel Lin wrote:
> 2011/10/14 Mark Brown <broonie at opensource.wolfsonmicro.com>:

> > Probably the best thing here is to convert all these drivers to use
> > cache_bypass to read directly through the cache - the same thing will
> > then work with direct regmap usage.

> I don't complete understand "use cache_bypass to read directly through
> the cache".

Set the cache_bypass flag in the device struct.

> Or do you mean changes like below instead of calling regmap_read directly?

No, this isn't going to work.  snd_soc_read() will use the cache.

More information about the Alsa-devel mailing list