Re: [alsa-devel] [PATCH v3] ASoC: rt5514: add rt5514 SPI driver

On Mon, May 09, 2016 at 06:30:55PM +0800, Oder Chiou wrote:

+static void rt5514_spi_copy_work(struct work_struct *work) +{

• struct rt5514_dsp *rt5514_dsp =

• container_of(work, struct rt5514_dsp, copy_work.work);
  

• struct snd_pcm_runtime *runtime = rt5514_dsp->substream->runtime;
• size_t period_bytes, truncated_bytes = 0;

I can't see anything that cancels this work when the PCM stream to userspace is stopped or if things power off otherwise?