1. 在linux kernel目录下执行cd sound/soc/hobot, 该目录为声卡的驱动文件,其中hobot_codec.c为dummy_codec源码,如下图所示: 2. 在kernel目录下执行make menuconifg将dummy_codec加入驱动编译。 3. 在dts文件中,配置对应codec所需要的sound card信息。增加信息参考如下配置: 4. 将内核编译完成后,驱动都会以模块...
1、属性值配置: - compatible: "rockchip,dummy-codec" 2、以rk3308 dummy音频声卡为例: Example for rk3308 dummy codec: dummy_codec: dummy-codec { compatible = "rockchip,dummy-codec"; };
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Create the dummy codec for test purpose. What this dummy codec can do This dummy codec can play up to 8 channels and record up to 6 channels. Connect SAI1 TX data pin with SAI1 RX data pin for loopback test. Environment Verified with i.MX8M...
Hi Max, I also use dummy codec and I customized as your documents, but I run "arecord -D sysdefault:CARD=dummy-audio" or "aplay --device=sysdefault:CARD=dummy-audio", it always shows: ALSA lib ../../alsa-lib-1.1.5/src/confmisc.c:767:(parse_card) cannot ...
Android 13 dummy codec 功放无声 功放输出无声 导致音响没有声音或声音不正常的原因,根据众多的案例分析,概括地说,主要有以下几个方面的原因。 1. 插座接触不良、信号线接触不良——要检查清楚音响通电、各个信号线接触良好; 2.功放机最常见的故障是坏电容或烧功放管,这里有我们操作不当的问题,但更主要还是设备...
Background: The snd-soc-dummy codec is a dummy codec used for testing and sometimes with i2s codecs that doesn't have their own driver. Example of use: https://github.com/skakri/asoc-i2s-loader/blob/master/asoc-i2s-loader.c It restricts ...
codec_test: codec_test { compatible = "linux,snd-soc-dummy"; #sound-dai-cells = <0>; status="okay"; }; // am335x is the clock master (mclk, bit and frame clks) // sound { // compatible = "simple-audio-card"; // simple-audio-card,name = "AM335x-TDM"; ...
Description During the process of using the ES8326 codec, I encountered a dummy output issue. killall pulseaudio do not work, even after masking and then unmasking the pulseaudio service and attempting to restart it, the issue persists. ...
A method aspect of the technique comprises the steps of receiving a signalling message comprising a codec list; determining if a dummy codec indicating a codec list transfer action is to be added to the codec list; adding the dummy codec to the codec list depending on the determination; and ...