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Waveshare wm8960 audio hat hardware pin connection
Becarfull, Bananapi m2zero i2s pin define is different with Raspberrypi 40pin.
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Download latest Bananapi m2zero armbian image, and flash it to sdcard
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Copy sun8i-h3-i2s0.dts (1.6 KB) and wm8960_asound.state (13.1 KB) to sdcard /root directory
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Insert sdcard to m2zero board and bootup
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After bootup, replace the asound.state file and create sun8i-h3-i2s0.dtbo with armbian-add-overlay command.
armbian-add-overlay create dtbo file in /boot/overlay-user/sun8i-h3-i2s0.dtbo and enable load it in armbianEnv.txt
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Reboot the board to apply the dtbo, then check the playback and record device.
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Test
