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?
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