static int playback_thread()

in most_snd.c [225:252]

• 24 lines of code
• 7 McCabe index (conditional complexity)

static int playback_thread(void *data)
{
	struct channel *const channel = data;

	while (!kthread_should_stop()) {
		struct mbo *mbo = NULL;
		bool period_elapsed = false;

		wait_event_interruptible(
			channel->playback_waitq,
			kthread_should_stop() ||
			(channel->is_stream_running &&
			 (mbo = most_get_mbo(channel->iface, channel->id,
					     &comp))));
		if (!mbo)
			continue;

		if (channel->is_stream_running)
			period_elapsed = copy_data(channel, mbo);
		else
			memset(mbo->virt_address, 0, mbo->buffer_length);

		most_submit_mbo(mbo);
		if (period_elapsed)
			snd_pcm_period_elapsed(channel->substream);
	}
	return 0;
}