/**
 * Module exit function.
 */
static void __exit mpq_dmx_tsif_plugin_exit(void)
{
	int i;
	struct tsif_driver_info *tsif_driver;

	MPQ_DVB_DBG_PRINT("%s executed\n", __func__);

	for (i = 0; i < TSIF_COUNT; i++) {
		mutex_lock(&mpq_dmx_tsif_info.tsif[i].mutex);

		tsif_driver = &(mpq_dmx_tsif_info.tsif[i].tsif_driver);
		if (mpq_dmx_tsif_info.tsif[i].ref_count > 0) {
			mpq_dmx_tsif_info.tsif[i].ref_count = 0;
			if (tsif_driver->tsif_handler)
				tsif_stop(tsif_driver->tsif_handler);
		}

		/* Detach from TSIF driver to avoid further notifications. */
		if (tsif_driver->tsif_handler)
			tsif_detach(tsif_driver->tsif_handler);

		mutex_unlock(&mpq_dmx_tsif_info.tsif[i].mutex);
		kthread_stop(mpq_dmx_tsif_info.tsif[i].thread);
		mutex_destroy(&mpq_dmx_tsif_info.tsif[i].mutex);
	}

	mpq_dmx_plugin_exit();
}
コード例 #2
0
void tsif_force_stop(void)
{
  struct tsif_chrdev *the_dev = tsif_dev_tdmb;
  if(the_dev->state != tsif_state_stopped)
  {
    tsif_stop(the_dev->cookie);
  }
}
コード例 #3
0
static ssize_t tsif_release(struct inode *inode, struct file *filp)
{
#ifdef FEATURE_TSIF_DEBUG_MSG
	pr_info("[%s] !!!!!!!\n", __func__);
#endif

	struct tsif_chrdev *the_dev = filp->private_data;
	tsif_stop(the_dev->cookie);
	return 0;
}
/**
 * Stop TSIF operation and detach from TSIF driver.
 *
 * @mpq_demux: the mpq_demux we are working on.
 *
 * Return	error code.
 */
static int mpq_tsif_dmx_stop(struct mpq_demux *mpq_demux)
{
	int tsif;
	struct tsif_driver_info *tsif_driver;

	MPQ_DVB_DBG_PRINT("%s executed\n", __func__);

	/* determine the TSIF we are reading from */
	if (mpq_demux->source == DMX_SOURCE_FRONT0) {
		tsif = 0;
	} else if (mpq_demux->source == DMX_SOURCE_FRONT1) {
		tsif = 1;
	} else {
		/* invalid source */
		MPQ_DVB_ERR_PRINT(
			"%s: invalid input source (%d)\n",
			__func__,
			mpq_demux->source);

		return -EINVAL;
	}

	if (mutex_lock_interruptible(&mpq_dmx_tsif_info.tsif[tsif].mutex))
		return -ERESTARTSYS;

	mpq_dmx_tsif_info.tsif[tsif].ref_count--;

	if (mpq_dmx_tsif_info.tsif[tsif].ref_count == 0) {
		tsif_driver = &(mpq_dmx_tsif_info.tsif[tsif].tsif_driver);
		tsif_stop(tsif_driver->tsif_handler);
		tsif_detach(tsif_driver->tsif_handler);
		tsif_driver->tsif_handler = NULL;
		tsif_driver->data_buffer = NULL;
		tsif_driver->buffer_size = 0;
		atomic_set(&mpq_dmx_tsif_info.tsif[tsif].data_cnt, 0);
		mpq_dmx_tsif_info.tsif[tsif].mpq_demux = NULL;
	}

	mutex_unlock(&mpq_dmx_tsif_info.tsif[tsif].mutex);

	return 0;
}