[PATCH v4 03/32] xhci: sideband: add initial api to register a sideband entity

Randy Dunlap rdunlap at infradead.org
Mon Jul 24 19:57:54 PDT 2023



On 7/24/23 19:33, Wesley Cheng wrote:
> diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
> index c170672f847e..d9dc92bea525 100644
> --- a/drivers/usb/host/Kconfig
> +++ b/drivers/usb/host/Kconfig
> @@ -104,6 +104,15 @@ config USB_XHCI_RZV2M
>  	  Say 'Y' to enable the support for the xHCI host controller
>  	  found in Renesas RZ/V2M SoC.
>  
> +config USB_XHCI_SIDEBAND
> +	bool "xHCI support for sideband"
> +	help
> +	  Say 'Y' to enable the support for the xHCI sideband capability.
> +	  provide a mechanism for a sideband datapath for payload associated

	  Provide

> +	  with audio class endpoints. This allows for an audio DSP to use
> +	  xHCI USB endpoints directly, allowing CPU to sleep while playing
> +	  audio

	  audio.


-- 
~Randy



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