Hello All,
I am trying to develop a customized USB gadget driver. I am using
gadget/zero.c as a base. I want to have one of the endpoint as
isochronous endpoint.
I modified one of the endpoint descriptor as,
static struct usb_endpoint_descriptor
fs_source_desc = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_DIR_IN,
.bmAttributes = USB_ENDPOINT_XFER_ISOC,
.wMaxPacketSize = 255,
.bInterval = 32, // frames -> 32 ms
};
While inserting the module I facing this problem,
[email protected]:/# insmod /modules/Mar18th/g_zero.ko pattern=3 -f
zero: can't autoconfigure on musb_hdrc
insmod: error inserting '/modules/Mar18th/g_zero.ko': -1 No such device
How to resolve this error?
How to configure ISOC endpoints?
Please provide your valuable comments.
Thanks a lot in advance.
Regards,
Prabhaharan.R
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