Re: [alsa-devel] [PATCH 1/1] ASoC: fsl_ssi: add CCSR_SSI_SOR to volatile register list

On Mon, Apr 25, 2016 at 10:50:24AM -0700, Caleb Crome wrote:

Due to caching, SOR wasn't written when it should have been. This patch simply adds SOR to the volatile list.

Could you expand on when it wasn't written and why it needed to be please?