参考: https://elixir.bootlin.com/linux/v4.9.218/source/sound/soc/soc-core.c#L3314 https://blog.csdn. ...
参考: https: elixir.bootlin.com linux v . . source sound soc soc core.c L https: blog.csdn.net DroidPhone article details platform通过调用snd soc register platform来注册。snd soc register platform 该函数用于注册一个snd ...
2020-04-04 15:56 0 628 推荐指数:
参考: https://elixir.bootlin.com/linux/v4.9.218/source/sound/soc/soc-core.c#L3314 https://blog.csdn. ...
DAI通过调用snd_soc_register_component进行注册。 在snd_soc_regi ...
当前module_init中使用 platform_driver_register(&dev_driver)注册了设备驱动,在 /sys/bus/platform/drivers 生成了以dev_driver->driver.name命名的驱动分支; 但是发现没有调用probe函数 ...
总结一下: platform_driver_register driver_register bus_add_driver driver_attach __driver ...
https://blog.csdn.net/zyuanyun/article/details/59170418 https://blog.csdn.net/whshiyun/article/details/80889838 ALSA Asoc框架如下图: Asoc分为machine ...
https://www.kernel.org/doc/html/v4.11/sound/soc/dpcm.html Description Dynamic PCM allows an ALSA PCM device to digitally route its PCM audio ...
参考: https://elixir.bootlin.com/linux/v4.9.218/source/sound/soc/soc-dapm.c#L804 https://blog.csdn.n ...
当app在调用snd_pcm_writei时,alsa core将app传来的数据搬到HW buffer(即DMA buffer)中,alsa driver从HW buffer中读取数据传输到硬件播放。 ALSA buffer是采用ring buffer来实现的。ring buffer有多个HW ...