rk3568_r:/ # cat /proc/asound/card0/pcm0p/sub0/status cat /proc/asound/card0/pcm0p/sub0/status closed rk3568_r:/sys/devices/platform/rk809-sound # ls driver driver_override fe410000.i2s-rk817-hifi modalias of_node power sound subsystem uevent kernel/Documentation/devicetree/bindings/...
simple-audio-card,cpu { sound-dai = <&i2s1_8ch>; }; simple-audio-card,codec { sound-dai = <&rk809_codec>; }; }; }; &i2c0 {status="okay"; rk809_codec: codec { #sound-dai-cells = <0>; compatible ="rockchip,rk809-codec","rockchip,rk817-codec"; clocks = <&cru I2S1_M...
genfscon sysfs/devices/platform/fe8b0000.usb2-phy/extcon/extcon1 u:object_r:sysfs_extcon:s0 genfscon sysfs/devices/platform/rk809-sound/extcon/extcon2 u:object_r:sysfs_extcon:s0 genfscon sysfs/devices/platform/fe0c0000.edp/extcon/extcon3 u:object_r:sysfs_extcon:s0 genfscon sysfs/devices/plat...
alsa_sound_init函数中会调用snd_info_init函数创建 /proc/asound目录,并将该entry保存在全局变量 snd_proc_root(即作为 sound proc root entry),代码如下 int __init snd_info_init(void){ //1、创建 alsa proc root entry; snd_proc_root = snd_info_create_entry("asound", NULL); if (!snd_proc...
/proc/asound/card0/pcm0p/sub0/status 查看声卡0的信息 rk3568_r:/# cat /proc/asound/card0/pcm0p/sub0/statuscat/proc/asound/card0/pcm0p/sub0/status closed rk3568_r:/sys/devices/platform/rk809-sound# lsdriver driver_override fe410000.i2s-rk817-hifi modalias of_node power sound sub...
DDR Version V1.09 20210630 ln ddrconfig:15 DDR4, 324MHz BW=32 Col=10 Bk=4 BG=2 CS0 Row=16 CS=1 Die BW=16 Size=2048MB change to: 324MHz clk skew:0x80 PHY drv:clk:37,ca:37,DQ:37,odt:0 ...
[ 1.715009] asoc-simple-card rk809-sound: ASoC: Failed to add route HPOR -> direct -> ...
143 + rk809_sound: rk809-sound { 144 + status = "okay"; 145 + compatible = "simple-audio-card"; 146 + simple-audio-card,format = "i2s"; 147 + simple-audio-card,name = "rockchip,rk809-codec"; 148 + simple-audio-card,mclk-fs = <256>; 149 + 150 + simple-au...
1. 在Debian系统Sound&Video--->PulseAudio Volume Control,然后对应声卡进行播放,比下图: 我们也可以使用aplay来确认声卡和选择声卡播放。 root@linaro-alip:~#aplay-l***ListofPLAYBACKHardwareDevices***card0:rockchiprk809co[rockchip, rk809-codec],device0:fe410000.i2s-rk817-hifirk817-hifi-0[fe410...
按照SDK编译出来的IMAGE,在开发板上能够正常执行,但是开发板无法完成KERNEL初始化,始终会卡住,仔细跟踪后,LOG信息如下,想请教下:具体的原因是什么?或者有什么解决方法? U-Boot 2017.09-g912f242c30 #huangjf (Sep 13 2021 - 18:08:18 +0800) Model: Firefly RK3568 Board ...