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usb: gadget: add endpoint capabilities helper macros

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Add macros useful while initializing array of endpoint capabilities
structures. These macros makes structure initialization more compact
to decrease number of code lines and increase readability of code.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Robert Baldyga 2015-07-31 16:00:15 +02:00 • committed by Felipe Balbi
parent 734b5a2add
commit 80e6e3847f
1 changed files with 20 additions and 0 deletions

20
include/linux/usb/gadget.h
View file

@ -158,6 +158,26 @@ struct usb_ep_caps {
unsigned dir_out:1;
};
#define USB_EP_CAPS_TYPE_CONTROL 0x01
#define USB_EP_CAPS_TYPE_ISO 0x02
#define USB_EP_CAPS_TYPE_BULK 0x04
#define USB_EP_CAPS_TYPE_INT 0x08
#define USB_EP_CAPS_TYPE_ALL \
(USB_EP_CAPS_TYPE_ISO | USB_EP_CAPS_TYPE_BULK | USB_EP_CAPS_TYPE_INT)
#define USB_EP_CAPS_DIR_IN 0x01
#define USB_EP_CAPS_DIR_OUT 0x02
#define USB_EP_CAPS_DIR_ALL (USB_EP_CAPS_DIR_IN | USB_EP_CAPS_DIR_OUT)
#define USB_EP_CAPS(_type, _dir) \
{ \
.type_control = !!(_type & USB_EP_CAPS_TYPE_CONTROL), \
.type_iso = !!(_type & USB_EP_CAPS_TYPE_ISO), \
.type_bulk = !!(_type & USB_EP_CAPS_TYPE_BULK), \
.type_int = !!(_type & USB_EP_CAPS_TYPE_INT), \
.dir_in = !!(_dir & USB_EP_CAPS_DIR_IN), \
.dir_out = !!(_dir & USB_EP_CAPS_DIR_OUT), \
}
/**
* struct usb_ep - device side representation of USB endpoint
* @name:identifier for the endpoint, such as "ep-a" or "ep9in-bulk"