Re: [alsa-devel] [PATCH] ASoC: imx-audmux: Add driver suspend and resume to support MEGA Fast

On Fri, Aug 16, 2019 at 01:03:14AM -0400, Shengjiu Wang wrote:

• for (i = 0; i < reg_max; i++)

• regcache[i] = readl(audmux_base + i * 4);
  

If only there were some framework which provided a register cache! :P