这是什么原因，我用的simple-audio-card创建的i2s虚拟声卡，播放没问题，录制会出现以下报错 /usr/bin/soundtest # arecord -D hw:0,0 -c 8 -r 44100 -f S16_LE --period-size=102 4 --buffer-size=4096 test.wav Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Channels 8 arecord: set_params:1403: Unable to install hw params: ACCESS: RW_INTERLEAVED FORMAT: S16_LE SUBFORMAT: STD SAMPLE_BITS: 16 FRAME_BITS: 128 CHANNELS: 8 RATE: 44100 PERIOD_TIME: (23219 23220) PERIOD_SIZE: 1024 PERIOD_BYTES: 16384 PERIODS: 4 BUFFER_TIME: (92879 92880) BUFFER_SIZE: 4096 BUFFER_BYTES: 65536 TICK_TIME: 0 [ 55.468835] rockchip-i2s-tdm ff310000.i2s: Set mclk_rx: clk_i2s1_8ch_rx freq: 0 failed: -22 [ 55.468901] rockchip-i2s-tdm ff310000.i2s: ASoC: can't set ff310000.i2s hw params: -22 感觉是3308驱动的bug |
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