int (*bespoke_trigger)(struct snd_pcm_substream *, int, struct snd_soc_dai *);/* * For hardware based FIFO caused delay reporting. * Optional. */snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, struct snd_soc_dai *); }; DAI 时钟配置函数,通常由snd_card驱动即machine驱动的...
structsnd_soc_dai_ops接⼝介绍 CPU DAI和codec DAI 驱动⽤结构体 struct snd_soc_dai_driver描述,其字段ops的类型是 struct snd_soc_dai_ops,定义了DAI驱动的操作接⼝。代码如下:struct snd_soc_dai_ops { /* * DAI clocking configuration, all optional.* Called by soc_card drivers, normally ...
amix kcontrol PUT回调函数有:snd_soc_dapm_put_volsw 和 snd_soc_dapm_put_enum_double。 snd_soc_dapm_put_volsw -->soc_dapm_mixer_update_power(card, kcontrol, connect);// 用户态传下来非0值 connect为 1,传下来0 connect为0。 -->把kcontrol在路由表里...
[ 1740.413240] fl2000_intr_pipe_create:found ep_num_intr_in(3) [ 1740.413573] usbcore: registered new interface driver fl2000 sudo lsmod | grep fl2000 fl2000 143360 0 usbcore 315392 18 xhci_hcd,usbnet,snd_usb_audio,usbhid,snd_usbmidi_lib,cdc_mbim,cdc_ncm,usb_storage,cdc_wdm,uvcvid...
snd_pcm_uframes_t PaAlsaStreamComponent::offset snd_pcm_t* PaAlsaStreamComponent::pcm Referenced by PaAlsa_GetStreamInputCard(), and PaAlsa_GetStreamOutputCard(). int PaAlsaStreamComponent::ready StreamDirection PaAlsaStreamComponent::streamDir void** PaAlsaStreamComponent::userBuffers int...
snd_pcm_uframes_t PaAlsaStreamComponent::offset snd_pcm_t* PaAlsaStreamComponent::pcm Referenced by PaAlsa_GetStreamInputCard(), and PaAlsa_GetStreamOutputCard(). int PaAlsaStreamComponent::ready StreamDirection PaAlsaStreamComponent::streamDir void** PaAlsaStreamComponent::userBuffers int...