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path: root/drivers/usb/gadget/f_loopback.c
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Diffstat (limited to 'drivers/usb/gadget/f_loopback.c')
-rw-r--r--drivers/usb/gadget/f_loopback.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c
index 8affe1dfc2c1..eb6ddfc20857 100644
--- a/drivers/usb/gadget/f_loopback.c
+++ b/drivers/usb/gadget/f_loopback.c
@@ -100,7 +100,7 @@ static struct usb_endpoint_descriptor hs_loop_source_desc = {
100 .bDescriptorType = USB_DT_ENDPOINT, 100 .bDescriptorType = USB_DT_ENDPOINT,
101 101
102 .bmAttributes = USB_ENDPOINT_XFER_BULK, 102 .bmAttributes = USB_ENDPOINT_XFER_BULK,
103 .wMaxPacketSize = __constant_cpu_to_le16(512), 103 .wMaxPacketSize = cpu_to_le16(512),
104}; 104};
105 105
106static struct usb_endpoint_descriptor hs_loop_sink_desc = { 106static struct usb_endpoint_descriptor hs_loop_sink_desc = {
@@ -108,7 +108,7 @@ static struct usb_endpoint_descriptor hs_loop_sink_desc = {
108 .bDescriptorType = USB_DT_ENDPOINT, 108 .bDescriptorType = USB_DT_ENDPOINT,
109 109
110 .bmAttributes = USB_ENDPOINT_XFER_BULK, 110 .bmAttributes = USB_ENDPOINT_XFER_BULK,
111 .wMaxPacketSize = __constant_cpu_to_le16(512), 111 .wMaxPacketSize = cpu_to_le16(512),
112}; 112};
113 113
114static struct usb_descriptor_header *hs_loopback_descs[] = { 114static struct usb_descriptor_header *hs_loopback_descs[] = {
@@ -359,7 +359,7 @@ static struct usb_configuration loopback_driver = {
359 * loopback_add - add a loopback testing configuration to a device 359 * loopback_add - add a loopback testing configuration to a device
360 * @cdev: the device to support the loopback configuration 360 * @cdev: the device to support the loopback configuration
361 */ 361 */
362int __init loopback_add(struct usb_composite_dev *cdev) 362int __init loopback_add(struct usb_composite_dev *cdev, bool autoresume)
363{ 363{
364 int id; 364 int id;
365 365
@@ -372,6 +372,10 @@ int __init loopback_add(struct usb_composite_dev *cdev)
372 loopback_intf.iInterface = id; 372 loopback_intf.iInterface = id;
373 loopback_driver.iConfiguration = id; 373 loopback_driver.iConfiguration = id;
374 374
375 /* support autoresume for remote wakeup testing */
376 if (autoresume)
377 sourcesink_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
378
375 /* support OTG systems */ 379 /* support OTG systems */
376 if (gadget_is_otg(cdev->gadget)) { 380 if (gadget_is_otg(cdev->gadget)) {
377 loopback_driver.descriptors = otg_desc; 381 loopback_driver.descriptors = otg_desc;