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C++ snd_pcm_stop函数代码示例

本文整理汇总了C++中snd_pcm_stop函数的典型用法代码示例。如果您正苦于以下问题：C++ snd_pcm_stop函数的具体用法？C++ snd_pcm_stop怎么用？C++ snd_pcm_stop使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了snd_pcm_stop函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: uni_reader_irq_handler

/*
 * uni_reader_irq_handler
 * In case of error audio stream is stopped; stop action is protected via PCM
 * stream lock  to avoid race condition with trigger callback.
 */
static irqreturn_t uni_reader_irq_handler(int irq, void *dev_id)
{
	irqreturn_t ret = IRQ_NONE;
	struct uniperif *reader = dev_id;
	unsigned int status;

	if (reader->state == UNIPERIF_STATE_STOPPED) {
		/* Unexpected IRQ: do nothing */
		dev_warn(reader->dev, "unexpected IRQ ");
		return IRQ_HANDLED;
	}

	/* Get interrupt status & clear them immediately */
	status = GET_UNIPERIF_ITS(reader);
	SET_UNIPERIF_ITS_BCLR(reader, status);

	/* Check for fifo overflow error */
	if (unlikely(status & UNIPERIF_ITS_FIFO_ERROR_MASK(reader))) {
		dev_err(reader->dev, "FIFO error detected");

		snd_pcm_stream_lock(reader->substream);
		snd_pcm_stop(reader->substream, SNDRV_PCM_STATE_XRUN);
		snd_pcm_stream_unlock(reader->substream);

		return IRQ_HANDLED;
	}

	return ret;
}
开发者ID:aejsmith，项目名称:linux，代码行数:34，代码来源:uniperif_reader.c

示例2: snd_atiixp_xrun_dma

/*
 * XRUN detected, and stop the PCM substream
 */
static void snd_atiixp_xrun_dma(atiixp_t *chip, atiixp_dma_t *dma)
{
    if (! dma->substream || ! dma->running)
        return;
    snd_printdd("atiixp: XRUN detected (DMA %d)\n", dma->ops->type);
    snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
}
开发者ID:idtek，项目名称:linux-2.6.11，代码行数:10，代码来源:atiixp.c

示例3: pcm_disconnect_substream

/*
	Stop substream if still running.
*/
static void pcm_disconnect_substream(struct snd_pcm_substream *substream)
{
	if (substream->runtime && snd_pcm_running(substream)) {
		snd_pcm_stream_lock_irq(substream);
		snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);
		snd_pcm_stream_unlock_irq(substream);
	}
}
开发者ID:Cool-Joe，项目名称:imx23-audio，代码行数:11，代码来源:pcm.c

示例4: snd_atiixp_xrun_dma

/*
 * XRUN detected, and stop the PCM substream
 */
static void snd_atiixp_xrun_dma(struct atiixp *chip, struct atiixp_dma *dma)
{
	if (! dma->substream || ! dma->running)
		return;
	dev_dbg(chip->card->dev, "XRUN detected (DMA %d)\n", dma->ops->type);
	snd_pcm_stream_lock(dma->substream);
	snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
	snd_pcm_stream_unlock(dma->substream);
}
开发者ID:3null，项目名称:linux，代码行数:12，代码来源:atiixp.c

示例5: abort_alsa_playback

static void abort_alsa_playback(struct ua101 *ua)
{
	unsigned long flags;

	if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) {
		snd_pcm_stream_lock_irqsave(ua->playback.substream, flags);
		snd_pcm_stop(ua->playback.substream, SNDRV_PCM_STATE_XRUN);
		snd_pcm_stream_unlock_irqrestore(ua->playback.substream, flags);
	}
}
开发者ID:AeroGirl，项目名称:VAR-SOM-AM33-SDK7-Kernel，代码行数:10，代码来源:ua101.c

示例6: bcm947xx_dma_abort

static void bcm947xx_dma_abort(struct snd_pcm_substream *substream)
{
	if (snd_pcm_running(substream)) {
		unsigned long flags;
		DBG("%s XRUN\n", __FUNCTION__);
		snd_pcm_stream_lock_irqsave(substream, flags);
		snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
		snd_pcm_stream_unlock_irqrestore(substream, flags);
	}
}
开发者ID:Antares84，项目名称:asuswrt-merlin，代码行数:10，代码来源:bcm947xx-pcm.c

示例7: snd_atiixp_xrun_dma

/*
 * XRUN detected, and stop the PCM substream
 */
static void snd_atiixp_xrun_dma(struct atiixp_modem *chip,
				struct atiixp_dma *dma)
{
	if (! dma->substream || ! dma->running)
		return;
	snd_printdd("atiixp-modem: XRUN detected (DMA %d)\n", dma->ops->type);
	snd_pcm_stream_lock(dma->substream);
	snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
	snd_pcm_stream_unlock(dma->substream);
}
开发者ID:AeroGirl，项目名称:VAR-SOM-AM33-SDK7-Kernel，代码行数:13，代码来源:atiixp_modem.c

示例8: abort_alsa_capture

static void abort_alsa_capture(struct ua101 *ua)
{
	unsigned long flags;

	if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) {
		snd_pcm_stream_lock_irqsave(ua->capture.substream, flags);
		snd_pcm_stop(ua->capture.substream, SNDRV_PCM_STATE_XRUN);
		snd_pcm_stream_unlock_irqrestore(ua->capture.substream, flags);
	}
}
开发者ID:AeroGirl，项目名称:VAR-SOM-AM33-SDK7-Kernel，代码行数:10，代码来源:ua101.c

示例9: hdmi_audio_abort_stream

static void hdmi_audio_abort_stream(struct snd_pcm_substream *substream)
{
	unsigned long flags;

	snd_pcm_stream_lock_irqsave(substream, flags);

	if (snd_pcm_running(substream))
		snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);

	snd_pcm_stream_unlock_irqrestore(substream, flags);
}
开发者ID:develersrl，项目名称:winmate-kernel，代码行数:11，代码来源:mxc-hdmi-core.c

示例10: pcm_timeout_func

static void pcm_timeout_func(unsigned long data)
{
	struct tegra_runtime_data *prtd = (struct tegra_runtime_data*)data;
	struct snd_pcm_substream *substream = prtd->substream;
	struct snd_pcm_runtime *runtime = substream->runtime;
	unsigned long current_tick = jiffies;
	
	if( jiffies_to_msecs(current_tick - prtd->pcm_timeout_tick) >= (runtime->period_size/(runtime->rate/1000))*runtime->periods*2){
		dev_err(substream->pcm->dev, "pcm_timeout_func!!! time : %d\n", jiffies_to_msecs(current_tick - prtd->pcm_timeout_tick));
		snd_pcm_stop(prtd->substream, SNDRV_PCM_STATE_XRUN);
	}
}
开发者ID:ARMP，项目名称:android_kernel_lge_x3，代码行数:12，代码来源:tegra_pcm.c

示例11: stm32_sai_isr

static irqreturn_t stm32_sai_isr(int irq, void *devid)
{
	struct stm32_sai_sub_data *sai = (struct stm32_sai_sub_data *)devid;
	struct snd_pcm_substream *substream = sai->substream;
	struct platform_device *pdev = sai->pdev;
	unsigned int sr, imr, flags;
	snd_pcm_state_t status = SNDRV_PCM_STATE_RUNNING;

	regmap_read(sai->regmap, STM_SAI_IMR_REGX, &imr);
	regmap_read(sai->regmap, STM_SAI_SR_REGX, &sr);

	flags = sr & imr;
	if (!flags)
		return IRQ_NONE;

	regmap_update_bits(sai->regmap, STM_SAI_CLRFR_REGX, SAI_XCLRFR_MASK,
			   SAI_XCLRFR_MASK);

	if (flags & SAI_XIMR_OVRUDRIE) {
		dev_err(&pdev->dev, "IT %s\n",
			STM_SAI_IS_PLAYBACK(sai) ? "underrun" : "overrun");
		status = SNDRV_PCM_STATE_XRUN;
	}

	if (flags & SAI_XIMR_MUTEDETIE)
		dev_dbg(&pdev->dev, "IT mute detected\n");

	if (flags & SAI_XIMR_WCKCFGIE) {
		dev_err(&pdev->dev, "IT wrong clock configuration\n");
		status = SNDRV_PCM_STATE_DISCONNECTED;
	}

	if (flags & SAI_XIMR_CNRDYIE)
		dev_warn(&pdev->dev, "IT Codec not ready\n");

	if (flags & SAI_XIMR_AFSDETIE) {
		dev_warn(&pdev->dev, "IT Anticipated frame synchro\n");
		status = SNDRV_PCM_STATE_XRUN;
	}

	if (flags & SAI_XIMR_LFSDETIE) {
		dev_warn(&pdev->dev, "IT Late frame synchro\n");
		status = SNDRV_PCM_STATE_XRUN;
	}

	if (status != SNDRV_PCM_STATE_RUNNING) {
		snd_pcm_stream_lock(substream);
		snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
		snd_pcm_stream_unlock(substream);
	}

	return IRQ_HANDLED;
}
开发者ID:asmalldev，项目名称:linux，代码行数:53，代码来源:stm32_sai_sub.c

示例12: hdmi_dai_abort

static void hdmi_dai_abort(struct device *dev)
{
	struct hdmi_audio_data *ad = dev_get_drvdata(dev);

	mutex_lock(&ad->current_stream_lock);
	if (ad->current_stream && ad->current_stream->runtime &&
	    snd_pcm_running(ad->current_stream)) {
		dev_err(dev, "HDMI display disabled, aborting playback\n");
		snd_pcm_stream_lock_irq(ad->current_stream);
		snd_pcm_stop(ad->current_stream, SNDRV_PCM_STATE_DISCONNECTED);
		snd_pcm_stream_unlock_irq(ad->current_stream);
	}
	mutex_unlock(&ad->current_stream_lock);
}
开发者ID:Chong-Li，项目名称:cse522，代码行数:14，代码来源:omap-hdmi-audio.c

示例13: ipq_mi2s_irq

static irqreturn_t ipq_mi2s_irq(int intrsrc, void *data)
{
	int dma_ch;
	uint32_t ret = IRQ_NONE;
	uint32_t has_xrun, pending;

	struct snd_pcm_substream *substream = data;
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct ipq_lpass_runtime_data_t *prtd =
		(struct ipq_lpass_runtime_data_t *)runtime->private_data;

	if (prtd)
		dma_ch = prtd->lpaif_info.dma_ch;
	else
		return IRQ_NONE;

	pending = (intrsrc
		& (UNDER_CH(dma_ch) | PER_CH(dma_ch) | ERR_CH(dma_ch)));

	has_xrun = (pending & UNDER_CH(dma_ch));

	if (unlikely(has_xrun) && substream->runtime &&
			snd_pcm_running(substream)) {
		pr_debug("%s %d: xrun warning\n", __func__, __LINE__);
		snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
		pending &= ~UNDER_CH(dma_ch);
		ret = IRQ_HANDLED;
	}

	if (pending & PER_CH(dma_ch)) {
		if (++prtd->pcm_stream_info.period_index >= runtime->periods)
			prtd->pcm_stream_info.period_index = 0;
		snd_pcm_period_elapsed(substream);
		pending &= ~PER_CH(dma_ch);
		ret = IRQ_HANDLED;
	}

	if (pending & UNDER_CH(dma_ch)) {
		snd_pcm_period_elapsed(substream);
		pr_debug("%s %d: xrun warning\n", __func__, __LINE__);
		ret = IRQ_HANDLED;
	}

	if (pending & ERR_CH(dma_ch)) {
		pr_debug("%s %d: Bus access warning\n", __func__, __LINE__);
		ret = IRQ_HANDLED;
	}

	return ret;
}
开发者ID:darcyg，项目名称:ap_project_v2，代码行数:50，代码来源:ipq-pcm-mi2s.c

示例14: loopback_check_format

static int loopback_check_format(struct loopback_cable *cable, int stream)
{
	struct snd_pcm_runtime *runtime, *cruntime;
	struct loopback_setup *setup;
	struct snd_card *card;
	int check;

	if (cable->valid != CABLE_VALID_BOTH) {
		if (stream == SNDRV_PCM_STREAM_PLAYBACK)
			goto __notify;
		return 0;
	}
	runtime = cable->streams[SNDRV_PCM_STREAM_PLAYBACK]->
							substream->runtime;
	cruntime = cable->streams[SNDRV_PCM_STREAM_CAPTURE]->
							substream->runtime;
	check = runtime->format != cruntime->format ||
		runtime->rate != cruntime->rate ||
		runtime->channels != cruntime->channels;
	if (!check)
		return 0;
	if (stream == SNDRV_PCM_STREAM_CAPTURE) {
		return -EIO;
	} else {
		snd_pcm_stop(cable->streams[SNDRV_PCM_STREAM_CAPTURE]->
					substream, SNDRV_PCM_STATE_DRAINING);
	      __notify:
		runtime = cable->streams[SNDRV_PCM_STREAM_PLAYBACK]->
							substream->runtime;
		setup = get_setup(cable->streams[SNDRV_PCM_STREAM_PLAYBACK]);
		card = cable->streams[SNDRV_PCM_STREAM_PLAYBACK]->loopback->card;
		if (setup->format != runtime->format) {
			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
							&setup->format_id);
			setup->format = runtime->format;
		}
		if (setup->rate != runtime->rate) {
			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
							&setup->rate_id);
			setup->rate = runtime->rate;
		}
		if (setup->channels != runtime->channels) {
			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
							&setup->channels_id);
			setup->channels = runtime->channels;
		}
	}
	return 0;
}
开发者ID:mjduddin，项目名称:B14CKB1RD_kernel_m8，代码行数:49，代码来源:aloop.c

示例15: had_process_hot_unplug

int had_process_hot_unplug(struct snd_intelhad *intelhaddata)
{
	int caps, retval = 0;
	enum intel_had_aud_buf_type buf_id;
	struct had_pvt_data *had_stream;
	unsigned long flag_irqs;

	pr_debug("Enter:%s", __func__);

	had_stream = intelhaddata->private_data;
	buf_id = intelhaddata->curr_buf;

	spin_lock_irqsave(&intelhaddata->had_spinlock, flag_irqs);
	if (intelhaddata->drv_status == HAD_DRV_DISCONNECTED) {
		pr_debug("Device already disconnected\n");
		spin_unlock_irqrestore(&intelhaddata->had_spinlock, flag_irqs);
		return retval;
	} else {
		/* Disable Audio */
		caps = HDMI_AUDIO_BUFFER_DONE;
		retval = had_set_caps(HAD_SET_DISABLE_AUDIO_INT, &caps);
		retval = had_set_caps(HAD_SET_DISABLE_AUDIO, NULL);
		intelhaddata->ops->enable_audio(intelhaddata->stream_info.had_substream, 0);
	}

	intelhaddata->drv_status = HAD_DRV_DISCONNECTED;
	/* Report to above ALSA layer */
	if (intelhaddata->stream_info.had_substream != NULL) {
		spin_unlock_irqrestore(&intelhaddata->had_spinlock, flag_irqs);
		pr_debug("%s: unlock -> sending pcm_stop -> lock\n", __func__);
		mutex_lock(&had_mutex);
		if (intelhaddata->stream_info.had_substream != NULL)
			snd_pcm_stop(intelhaddata->stream_info.had_substream,
				SNDRV_PCM_STATE_DISCONNECTED);
		mutex_unlock(&had_mutex);
		spin_lock_irqsave(&intelhaddata->had_spinlock, flag_irqs);
	}

	had_stream->stream_type = HAD_INIT;
	spin_unlock_irqrestore(&intelhaddata->had_spinlock, flag_irqs);
	kfree(intelhaddata->chmap->chmap);
	intelhaddata->chmap->chmap = NULL;
	pr_debug("%s: unlocked -> returned\n", __func__);

	return retval;
}
开发者ID:Druboo666，项目名称:android_kernel_asus_moorefield，代码行数:46，代码来源:intel_mid_hdmi_audio_if.c


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