[alsa-devel] [RFC][PATCH] ASoC: Fix sync reg_cache with the hardware in wm8990_resume

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Oct 5 12:21:22 CEST 2011

On Wed, Oct 05, 2011 at 06:16:49PM +0800, Axel Lin wrote:
> Current code has off-by-one bug of checking WM8990_RESET.
> Besides, according to wm8990 datasheet (2-wire serial control mode):
> A control word consists of 24 bits. The first 8 bits are address bits,
> the remaining 16 bits are data bits.
> Current code uses 7 bits address bits and 9 bits data bits which is incorrect.

We should just convert drivers like this to snd_soc_cache_sync().

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