From c7000aa030ee098e59d126325805f5037d155a48 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Tue, 14 Nov 2017 12:27:24 +0200 Subject: [PATCH] usb: gadget: add isoch_delay member Whenever a USB host issues a Set Isoch Delay request, we should cache the result so relevant gadget drivers can make use of the value for calculating how many uFrames ahead a transfer should be queued. Signed-off-by: Felipe Balbi --- include/linux/usb/gadget.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 0142f3a..66a5cff 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -330,6 +330,7 @@ struct usb_gadget_ops { * @name: Identifies the controller hardware type. Used in diagnostics * and sometimes configuration. * @dev: Driver model state for this abstract device. + * @isoch_delay: value from Set Isoch Delay request. Only valid on SS/SSP * @out_epnum: last used out ep number * @in_epnum: last used in ep number * @mA: last set mA value @@ -394,6 +395,7 @@ struct usb_gadget { enum usb_device_state state; const char *name; struct device dev; + unsigned isoch_delay; unsigned out_epnum; unsigned in_epnum; unsigned mA; -- 2.7.4