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usb: gadget: Add gadget_is_superspeed_plus()

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Add a function to check for SuperSpeedPlus capable gadgets.

Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
John Youn 2016-02-05 17:05:26 -08:00 • committed by Felipe Balbi
parent 446fa3a95d
commit 1ca1b6a65b
1 changed files with 10 additions and 0 deletions

10
include/linux/usb/gadget.h
View file

@ -728,6 +728,16 @@ static inline int gadget_is_superspeed(struct usb_gadget *g)
return g->max_speed >= USB_SPEED_SUPER;
}
/**
* gadget_is_superspeed_plus() - return true if the hardware handles
* superspeed plus
* @g: controller that might support superspeed plus
*/
static inline int gadget_is_superspeed_plus(struct usb_gadget *g)
{
return g->max_speed >= USB_SPEED_SUPER_PLUS;
}
/**
* gadget_is_otg - return true iff the hardware is OTG-ready
* @g: controller that might have a Mini-AB connector