Unable to handle kernel paging request at 0000000000100100 RIP: [<ffffffff882ebf3b>] :snd_pcm:snd_pcm_attach_substream+0x80/0x2d9 PGD 1f2624067 PUD 1f7c32067 PMD 0 Oops: 0000 [1] SMP <1>last sysfs file: /devices/pci0000:00/0000:00:00.0/irq <4>CPU 3 <4>Modules linked in: af...
voidrsnd_dma_start(struct rsnd_dma *dma){structrsnd_mod*mod=rsnd_dma_to_mod(dma);structrsnd_priv*priv=rsnd_mod_to_priv(mod);structrsnd_dai_stream*io=rsnd_mod_to_io(mod);structsnd_pcm_substream*substream=io->substream;structdevice*dev=rsnd_priv_to_dev(priv);structdma_async_tx_...
*/staticintfsl_ssi_prepare(struct snd_pcm_substream *substream){structsnd_pcm_runtime*runtime=substream->runtime;structsnd_soc_pcm_runtime*rtd=substream->private_data;structfsl_ssi_private*ssi_private=rtd->dai->cpu_dai->private_data;structccsr_ssi__iomem*ssi=ssi_private->ssi;if(substrea...
snd_pcm_readi/snd_pcm_writei错误处理 混音器设置 打开混音器 Attach关联设备 注册 加载 查找元素 获取/更改元素 示例程序 回环测试例程 总结 ALSA插件 学习总结 MP157开发板支持音频,板上搭载了音频编解码芯片CS42L51,支持播放以及录音功能。 ALSA概述 ALSA是Advanced Linux Sound Architecture(高级的Linux声音...
Due to hardware design, the function of DSP can not be configured unless an ALSA PCM application initiates isochronous communication. snd-firewire-tascam-ctl-service Due to hardware design, most controls are not synchronized to hardware expectedly unless an ALSA PCM application initiates isochronous co...
* see rsnd_ssi_pcm_new() */ret = rsnd_ssiu_attach(io, mod);if(ret <0)returnret; ret = devm_request_irq(dev, ssi->irq, rsnd_ssi_interrupt, IRQF_SHARED, dev_name(dev), mod);returnret; } 开发者ID:020gzh,项目名称:linux,代码行数:31,代码来源:ssi.c ...
kAudioDevicePropertyStreamFormat,sizeof(format), &format) != noErr)return;// Check we got linear pcm - what to do if we did not ???if(format.mFormatID != kAudioFormatLinearPCM)return;// Attach the callback and start the device#ifMAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION...
snd_pcm_close(pcm->pcm); on_error_0:return-1; } 开发者ID:texane,项目名称:aspect,代码行数:83,代码来源:main.c 示例2: open_capture ▲点赞 5▼ staticpj_status_topen_capture(struct alsa_stream* stream,constpjmedia_aud_param *param){snd_pcm_hw_params_t* params;snd_pcm_format_tformat...
{if( snd_pcm_hw_params_can_pause(wwo->hw_params) ) { err = snd_pcm_pause(wwo->pcm,1);if( err <0) ERR("pcm_pause failed: %s\n",snd_strerror(err)); wwo->state = WINE_WS_PAUSED; }else{ wodPlayer_Reset(wwo,FALSE);
snd_pcm_lib_period_bytes(substream), is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);if(!desc) { dev_err(dev,"dmaengine_prep_slave_sg() fail\n");return; } desc->callback = rsnd_dmaen_complete; ...