[alsa-devel] [PATCH v2 2/2] ASoC: tlv320aic32x4: Add rstn gpio to platform data.

Mark Brown broonie at opensource.wolfsonmicro.com
Thu Nov 1 15:35:15 CET 2012


On Wed, Oct 31, 2012 at 03:40:17PM +0100, Mike Looijmans wrote:

> is a very nice power saving feature. I just cache all the register
> settings up until that point (which required a bit of coding because
> of the "paging" of the I2C address space).

Probably easiest to just convert over to regmap, it handles paging fine.

> It was the best I could think off at the time, and it made me wonder
> why those reset lines aren't modelled this way more often.

This breaks down if any of the drivers actually uses the reset pin to
reset the chip - if the reset might not actually happen but the driver
wants it to happen then things are going to go wrong.
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