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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1396905/tas2563-aplay-pcm_write-2127-write-error-input-output-error
工具与软件：
您好！
我将 TAS2563编解码器用于音频。 但我无法播放声音、它显示"aplay：PCM_WRITE：2127：write error：input/output error"(播放：PCM_WRITE：2127：写入错误：输入/输出错误)
$ sudo aplay -D sysdefault:CARD=AM62xSKEVM sample.wav Playing WAVE 'sample.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo aplay: pcm_write:2127: write error: Input/output error $ speaker-test -c 2 -r 44100 -D hw:0,0 speaker-test 1.2.8 Playback device is hw:0,0 Stream parameters are 44100Hz, S16_LE, 2 channels Using 16 octaves of pink noise Rate set to 44100Hz (requested 44100Hz) Buffer size range from 128 to 131072 Period size range from 64 to 16384 Using max buffer size 131072 Periods = 4 was set period_size = 16384 was set buffer_size = 131072 0 - Front Left 1 - Front Right Write error: -5,Input/output error xrun_recovery failed: -5,Input/output error Transfer failed: Input/output error $ sudo lsmod | grep snd snd_soc_davinci_mcasp 40960 2 snd_soc_simple_card 20480 0 snd_soc_ti_udma 12288 1 snd_soc_davinci_mcasp snd_soc_ti_edma 12288 1 snd_soc_davinci_mcasp snd_soc_tas2562 20480 1 snd_soc_simple_card_utils 24576 1 snd_soc_simple_card snd_soc_ti_sdma 12288 1 snd_soc_davinci_mcasp snd_soc_core 221184 7 snd_soc_davinci_mcasp,snd_soc_ti_sdma,snd_soc_ti_edma,snd_soc_tas2562,snd_soc_ti_udma,snd_soc_simple_card_utils,snd_soc_simple_card snd_pcm_dmaengine 12288 1 snd_soc_core snd_pcm 118784 4 snd_soc_davinci_mcasp,snd_soc_simple_card_utils,snd_soc_core,snd_pcm_dmaengine snd_timer 40960 1 snd_pcm snd 90112 3 snd_timer,snd_soc_core,snd_pcm soundcore 12288 1 snd
尊敬的 Sakshi：
我们将与软件专家联系以调查您的问题。 我会尽快回复您。
此致、 伊万·萨拉扎尔 应用工程师
请使用示波器在播放期间测量从平台到 tas2563的 bck/ws clk、并在此处分享波形。
