On Fri, May 08, 2015 at 01:53:34PM +0800, John Lin wrote:

We add a calibration function and call it at the beginning of i2c_probe. The calibration value will be kept until codec is shutdown. We will reset the codec after the calibration is finished. So, we set cache_bypass in the calibration function. The benefit is we can shorter the delay time in headphone depop.

This looks fine but seems to depend on the previous patch.