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发表于 2017-9-6 16:31:48
只看该作者
5#
I2S作为MIC还有别的连线方式吗?
rk3399_firefly_edp_box:/ # cat /proc/asound/cards
0 [rockchiphdmi ]: rockchip_hdmi - rockchip,hdmi
rockchip,hdmi
1 [rockchiprt5640c]: rockchip_rt5640 - rockchip,rt5640-codec
rockchip,rt5640-codec
2 [ROCKCHIPSPDIF ]: ROCKCHIP_SPDIF - ROCKCHIP,SPDIF
ROCKCHIP,SPDIF
rk3399_firefly_edp_box:/ # ls -l /dev/snd/
crw-rw---- 1 system audio 116, 2 2017-09-06 07:30 controlC0
crw-rw---- 1 system audio 116, 4 2017-09-06 07:30 controlC1
crw-rw---- 1 system audio 116, 7 2017-09-06 07:30 controlC2
crw-rw---- 1 system audio 116, 3 2017-09-06 07:30 pcmC0D0p
crw-rw---- 1 system audio 116, 6 2017-09-06 07:30 pcmC1D0c
crw-rw---- 1 system audio 116, 5 2017-09-06 07:30 pcmC1D0p
crw-rw---- 1 system audio 116, 8 2017-09-06 07:30 pcmC2D0p
crw-rw---- 1 system audio 116, 33 2017-09-06 07:30 timer
rk3399_firefly_edp_box:/ #
有没有qq,加一下方便请教。我的是946495596.
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