C++ (Cpp) sport_curr_offset_tx Examples

Example #1

File: bf5xx-i2s-pcm.c Project: AnadoluPanteri/kernel-plus-harmattan

static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct sport_device *sport = runtime->private_data;
	unsigned int diff;
	snd_pcm_uframes_t frames;
	struct bf5xx_i2s_pcm_data *dma_data;

	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);

	pr_debug("%s enter\n", __func__);
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		diff = sport_curr_offset_tx(sport);
	} else {
		diff = sport_curr_offset_rx(sport);
	}

	/*
	 * TX at least can report one frame beyond the end of the
	 * buffer if we hit the wraparound case - clamp to within the
	 * buffer as the ALSA APIs require.
	 */
	if (diff == snd_pcm_lib_buffer_bytes(substream))
		diff = 0;

	frames = bytes_to_frames(substream->runtime, diff);
	if (dma_data->tdm_mode)
		frames = frames * runtime->channels / 8;

	return frames;
}

Example #2

static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct sport_device *sport = runtime->private_data;
	unsigned int diff;
	snd_pcm_uframes_t frames;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		diff = sport_curr_offset_tx(sport);
		frames = diff / (8*4); /* 32 bytes per frame */
	} else {
		diff = sport_curr_offset_rx(sport);
		frames = diff / (8*4);
	}
	return frames;
}

Example #3

File: bf5xx-i2s-pcm.c Project: MiniBlu/cm11_kernel_htc_msm8974a3ul

static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct sport_device *sport = runtime->private_data;
	unsigned int diff;
	snd_pcm_uframes_t frames;
	pr_debug("%s enter\n", __func__);
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		diff = sport_curr_offset_tx(sport);
	} else {
		diff = sport_curr_offset_rx(sport);
	}

	if (diff == snd_pcm_lib_buffer_bytes(substream))
		diff = 0;

	frames = bytes_to_frames(substream->runtime, diff);

	return frames;
}

Example #4

File: bf5xx-ac97-pcm.c Project: 454053205/linux

static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct sport_device *sport = runtime->private_data;
	unsigned int curr;

#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		curr = sport->tx_delay_pos;
	else
		curr = sport->rx_pos;
#else

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		curr = sport_curr_offset_tx(sport) / sizeof(struct ac97_frame);
	else
		curr = sport_curr_offset_rx(sport) / sizeof(struct ac97_frame);

#endif
	return curr;
}

Example #5

File: bf5xx-ac97.c Project: Atrix-Dev-Team/kernel-MB860

static unsigned int sport_tx_curr_frag(struct sport_device *sport)
{
	return sport->tx_curr_frag = sport_curr_offset_tx(sport) /
			sport->tx_fragsize;
}