Ejemplos de s3c_snd_lrsync en C++ (Cpp)

Ejemplo n.º 1

static int s3c_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
{
	int ret = 0;

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_SUSPEND:
	case SNDRV_PCM_TRIGGER_RESUME:
			break;

	case SNDRV_PCM_TRIGGER_START:
	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
		if (lpam_i2s.slave) {
			ret = s3c_snd_lrsync();
			if (ret)
				goto exit_err;
		}

		s3c_snd_txctrl(1);
		break;

	case SNDRV_PCM_TRIGGER_STOP:
	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
		s3c_snd_txctrl(0);
		break;

	default:
		ret = -EINVAL;
		break;
	}

exit_err:
	return ret;
}

Ejemplo n.º 2

static int s3c_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
				struct snd_soc_dai *dai)
{
	int ret = 0;

	debug_msg("%s, stream:%d \n", __FUNCTION__, substream->stream);

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
	case SNDRV_PCM_TRIGGER_RESUME:
	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
		if (s3c_i2s.slave) 
		{
			ret = s3c_snd_lrsync();
			if (ret)
				goto exit_err;
		}

		debug_msg("Start\n");
		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
			s3c_snd_rxctrl(1);
		else
			s3c_snd_txctrl(1);
		break;
	case SNDRV_PCM_TRIGGER_STOP:
	case SNDRV_PCM_TRIGGER_SUSPEND:
	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
		debug_msg("Stop\n");
		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
			s3c_snd_rxctrl(0);
		else
			s3c_snd_txctrl(0);
		break;
	default:
		ret = -EINVAL;
		break;
	}


exit_err:
	return ret;
}