Re: [alsa-devel] [PATCH] ASoC: sun4i-i2s: don't try to start up or shut down DAI if it's active

On Fri, Oct 12, 2018 at 08:32:54AM -0700, Vasily Khoruzhick wrote:

Otherwise we may end up with shutting down I2S if shutdown() was called for capture substream, but playback is still running.

Would it be cleaner and more robust to use runtime PM? I'm wondering what happens if some of the configuration stuff turns out to also need some of the clocks for example.