Re: [PATCH 2/8] usb: gadget: f_uac2/u_audio: add feedback endpoint support

2021-04-17 Thread Pavel Hofman
Dne 01. 03. 21 v 14:05 Ruslan Bilovol napsal(a): > +static void u_audio_set_fback_frequency(enum usb_device_speed speed, > + unsigned int freq, void *buf) > +{ > + u32 ff = 0; > + > + if (speed == USB_SPEED_FULL) { > + /* > + * Fu

[PATCH 2/8] usb: gadget: f_uac2/u_audio: add feedback endpoint support

2021-03-01 Thread Ruslan Bilovol
As per USB and UAC2 specs, asynchronous audio sink endpoint requires explicit synchronization mechanism (Isochronous Feedback Endpoint) Implement feedback companion endpoint for ISO OUT endpoint This patch adds all required infrastructure and USB requests handling for feedback endpoint. Syncrhoni