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

Mark Brown broonie at opensource.wolfsonmicro.com
Fri Oct 14 01:34:14 CEST 2011


On Fri, Oct 14, 2011 at 07:29:33AM +0800, Axel Lin wrote:

> I check the regmap code, it seems cache_bypsss is only set
> if map->cache_type == REGCACHE_NONE or by regcache_cache_bypass().

That's in regmap.  Any ASoC drivers which haven't been converted to
directly use regmap will still use the ASoC copy of the cache code.

> +       regcache_cache_bypass(codec->control_data, true);
> +       for (i = 0 ; i < codec->driver->reg_cache_size ; i += step) {
> +               regmap_read(codec->control_data, i, &val);
> +               cache[i] = val;
> +       }
> +       regcache_cache_bypass(codec->control_data, false);

This is what a driver which uses regmap directly should do.


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