usb: gadget: ffs: add HID descriptor support. (560f1187) · Commits · 戴 / test

When writing the descriptors to the ep0 file of functionfs, the HID descriptors where not recognized which caused the initialization from user space to fail. Signed-off-by:

Koen Beel <koen.beel@barco.com> Signed-off-by:

Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/f_fs.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@
		#include <linux/blkdev.h>
		#include <linux/pagemap.h>
		#include <linux/export.h>
		#include <linux/hid.h>
		#include <asm/unaligned.h>

		#include <linux/usb/composite.h>
		@@ -1671,6 +1672,12 @@ static int __must_check ffs_do_desc(char *data, unsigned len,
		}
		break;

		case HID_DT_HID:
		pr_vdebug("hid descriptor\n");
		if (length != sizeof(struct hid_descriptor))
		goto inv_length;
		break;

		case USB_DT_OTG:
		if (length != sizeof(struct usb_otg_descriptor))
		goto inv_length;

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