rk3399 rt5651,rk3399 外壳

rk3399 rt5651,rk3399 外壳

rk3399 —rt5651,tc358749x 声卡dts配置1、必需设置属性值： - compatible: "rockchip,rockchip-rt5651-tc358749x-sound" - rockchip,cpu: 配置i2s通道；- 1.首先确认耳机检测上报的必须是带MIC的状态MICROPHONE 代表带MIC的耳机，HEADPHONE代表不带MIC的耳机rk3399_Android11:/sys/class/extcon/rk_headset # cd ca

?０? root@rk3399:/# cat /proc/asound/cards 0 [realtekrt5651co]: simple-card - realtek,rt5651-codec realtek,rt5651-codec0为声卡编号，realtekrt5651co为ALSA声卡的唯一标识，因为st1.1 设备节点rt5651 我们在arch/arm64/boot/dts/rockchip/rk3399-evb.dts文件添加rt5651设备节点，该节点位于i2c1节点下：&i2c1 { status = "okay"; i2c-scl-ri

●▽● {sound-dai = <&rt5651>; //指定编解码音频接入cpu的dai(数字化接口)}; };rt5651: rt5651@1a {#sound-dai-cells = <0>;compatible = "rockchip,rt5651";reg =rk3399调试alc5651（audio模块）之simple-cardframework机制分析这是“rk3399调试alc5651”的第⼆篇，这篇以源码分析simple-card framework机制。在《rk3399调试alc5651之

Codec driver提供了配置/使能Codec的能力，驱动代码位于sound/soc/codecs/rt5651.c文件。一、设备节点1.1 设备节点rt5651 我们在arch/arm64/boot/dts/rockchiprk3399_mid:/# cat/proc/asound/cards0[ROCKCHIPSPDIF]:ROCKCHIP_SPDIF-ROCKCHIP,SPDIF ROCKCHIP,SPDIF1[realtekrt5651co]:realtek_rt5651--realtek,rt5651-codec realtek,rt

在rk3399-excavator-sapphire.dtsi文件中：rt5651-sound{status="okay";compatible="simple-audio-card";/*指定声卡传输数据格式，是通过"i2s"*/simple-audio-c下面我们实践操作，驱动alc5651音频芯片1.设备树配置rt5651-sound { //machine 匹配层的驱动节点。sta