看了半天，还是不知道v536 怎么配置 wm8978/es8388 这种i2s codec芯片，大佬过来帮我瞅瞅？

[ubuntu]

http://wiki.lindeni.org/index.php/Lindenis_V536

i2s
sys_config.fex should configured as follow, and the param should configured accord your device need:

if you i2s1 is used

[snddaudo0]
snddaudio0_used     = 1

[daudio0]
daudio0_used        = 1
daudio_master       = 4
audio_format        = 4
signal_inversion    = 1
slot_width_select   = 32
pcm_lrck_period     = 128
msb_lsb_first       = 0
sign_extend         = 0
frametype           = 0
mclk_div            = 1
tdm_config          = 0
tx_data_mode        = 0
rx_data_mode        = 0

make sure CONFIG_SND_SUNXI_SOC_SUNXI_DAUDIO configured
when make kernel_menuconfig

CONFIG_SND_SUNXI_SOC_SUNXI_DAUDIO = y

[ubuntu]

这个文件也没有说明怎么配置codec芯片： A64_System_Configuration_Manual.pdf

[ubuntu]

https://gist.github.com/yarang/0c7dfbc5125cee87f7615dac53f6446a

这里也没有找到。

[ubuntu]

貌似可以设置 dummy 声卡

[ubuntu]

MCLK 24.576MHz OK

搞定！