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MT7688 ES9023 没有/dev/snd/ 设备 #3
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dts需要加9023设备节点,9023的驱动才会跑 |
感谢您的回复, 我已经添加了dts, 一切看起来OK, 但还是没声音, 对了, 有两个疑问: |
再补充一个小问题, 3, 您的package有个run ll命令, 这个是做什么用的, 是否跟音频播放有关呢, |
相关log见: ^CAborted by signa[ 409.940000] rt5350_pcm_trigger cmd:0 |
9023只支持i2s,我买的9023板上自带mclk,所以不需要5350再输出mclk给它 run ll命令是uboot里的,用来升级linux用的 |
恩, 知晓了, many thanks, good day! |
请教下, 手上的代码是DM06 MT7688 (见https://github.com/gq213/openwrt-DM06/ 自带WM8960驱动,并可以运行), 我想把它改成支持ES9023 codec, 所做的步骤:
1, 把package 底下sxx 文件夹移动到DM06相应的文件夹, config勾选后并且编译成功(关掉WM8960的驱动), 在/dev/snd/下看不到相关设备,
2, 我如果要能够支持ES9023 要做哪些操作(dts等), 您有研究过么, 谢谢,
PS:
博客http://transing.xyz/2015/08/19/openwrt-pcm-driver-on-mt7620-or-rt5350/ 有提到应该是可以移植成功的,
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