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authorJohn Youn <John.Youn@synopsys.com>2016-02-05 17:05:26 -0800
committerFelipe Balbi <balbi@kernel.org>2016-03-04 15:14:22 +0200
commit1ca1b6a65ba7771ab8d16971b5fc40f9ba7a0e53 (patch)
treefa8294997c9a5bbdc00567086fe5c66daa05521a /include
parent446fa3a95df1e8b78f25e1babc41e46edd200821 (diff)
usb: gadget: Add gadget_is_superspeed_plus()
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/usb/gadget.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index d82d0068872b..d6a1bdaf11c1 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -729,6 +729,16 @@ static inline int gadget_is_superspeed(struct usb_gadget *g)
}
/**
+ * 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
*