固件类型：官方提供的固件
固件文件名称：ROC-RK3328-PC_Ubuntu20.04-Gnome-r21156_v2.5.1b_220
固件下载地址：百度网盘
Log日志：log.txt.zip
在Ubuntu20.04下，能看到 HDMI的音频输出设备：rockchiphdmi
root@firefly:/usr/local/bin# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: rockchiprk3328 [rockchip,rk3328], device 0: ff010000.i2s-rk3328-hifi rk3328-hifi-0
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: rockchiphdmi [rockchip,hdmi], device 0: ff000000.i2s-i2s-hifi i2s-hifi-0
Subdevices: 1/1
Subdevice #0: subdevice #0
看不到音频输入设备：
root@firefly:/usr/local/bin# arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: rockchiprk3328 [rockchip,rk3328], device 0: ff010000.i2s-rk3328-hifi rk3328-hifi-0
Subdevices: 1/1
Subdevice #0: subdevice #0
请问专家：
1）RK3328-PC能否增加在一个HDMI音频输入设备？
2）是否需要重新编译Linux内核？还是说在现有固件下配置alsa就可以实现？
tchip_askquestions
log.txt.zip (785 Bytes)