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发表于 2022-6-9 15:26:51
只看该作者
6#
你好,我使用改后的dts,内核可以正常起来,但是使用arecord录音时,好像时钟有点问题
# arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: rockchiprk3308v [rockchip,rk3308-vad], device 0: dailink-multicodecs multicodec-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: UAC1Gadget [UAC1_Gadget], device 0: UAC1_PCM [UAC1_PCM]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 7: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM]
Subdevices: 8/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
card 7: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM]
Subdevices: 7/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
#
录音
# arecord -f dat -t wav -r 48000 -c 8 -D hw:0,0 test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Channels 8
[ 142.674604] clk_pdm_frac parent_rate(589823999) is low than rate(61440000)*20, fractional div is not allowed
[ 142.676548] dma-pl330 ff2d0000.dma-controller: pl330_submit_req:1680 Try increasing mcbufsz (372/256)
[ 142.676603] dma-pl330 ff2d0000.dma-controller: fill_queue:2211 Bad Desc(3)
[ 142.676627] dma-pl330 ff2d0000.dma-controller: pl330_submit_req:1680 Try increasing mcbufsz (372/256)
[ 142.676642] dma-pl330 ff2d0000.dma-controller: fill_queue:2211 Bad Desc(3)
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