* For hardware based FIFO caused delay reporting.* Optional.*/ snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,struct snd_soc_dai *);};1. DAI 时钟配置函数，通常由snd_card驱动即machine驱动的 hw_params函数调⽤ set_sysclk 设置dai的主时钟 set_pll 设置codec内PLL参数 set_clkdiv ...
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...
[ 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...