usb: gadget: ffs: add HID descriptor support.
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>
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index dcd1c7f..8adc79d 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -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 @@
}
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;