Zero is the simplest gadget driver to change and
as such, the easiest to get something running.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/gadget/zero.c | 39 +++++++++++++++++++++++++++++++++++++++
1 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index e6092d3..931d3bf 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -132,6 +132,41 @@ static struct usb_device_descriptor device_desc = {
.bNumConfigurations = 2,
};
+static struct usb_bos_descriptor zero_bos_desc = {
+ .bLength = USB_DT_BOS_SIZE,
+ .bDescriptorType = USB_DT_BOS,
+
+ /* .wTotalLength = DYNAMIC, */
+ /* .bNumDeviceCaps = DYNAMIC, */
+};
+
+static struct usb_ext_cap_descriptor zero_extension_desc = {
+ .bLength = USB_DT_USB_EXT_CAP_SIZE,
+ .bDescriptorType = USB_DT_DEVICE_CAPABILITY,
+ .bDevCapabilityType = USB_CAP_TYPE_EXT,
+ .bmAttributes = USB_LPM_SUPPORT,
+};
+
+static struct usb_ss_cap_descriptor zero_ss_cap_desc = {
+ .bLength = USB_DT_USB_SS_CAP_SIZE,
+ .bDescriptorType = USB_DT_DEVICE_CAPABILITY,
+ .bDevCapabilityType = USB_SS_CAP_TYPE,
+ .bmAttributes = USB_LTM_SUPPORT,
+ .wSpeedSupported = USB_LOW_SPEED_OPERATION
+ | USB_FULL_SPEED_OPERATION
+ | USB_HIGH_SPEED_OPERATION
+ | USB_5GBPS_OPERATION,
+ .bFunctionalitySupport = USB_LOW_SPEED_OPERATION,
+ .bU1devExitLat = 0x04, /* Change this to match your device */
+ .bU2DevExitLat = 0x04, /* Change this to match your device */
+};
+
+const static struct usb_dev_cap_header *zero_capabilities[] = {
+ (struct usb_dev_cap_header *) &zero_extension_desc,
+ (struct usb_dev_cap_header *) &zero_ss_cap_desc,
+ NULL,
+};
+
#ifdef CONFIG_USB_OTG
static struct usb_otg_descriptor otg_descriptor = {
.bLength = sizeof otg_descriptor,
@@ -339,6 +374,10 @@ static int zero_unbind(struct usb_composite_dev *cdev)
static struct usb_composite_driver zero_driver = {
.name = "zero",
.dev = &device_desc,
+
+ .bos = &zero_bos_desc,
+ .capabilities = zero_capabilities,
+
.strings = dev_strings,
.unbind = zero_unbind,
.suspend = zero_suspend,
--
1.7.4.rc2
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