leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

usb: gadget: ffs: add HID descriptor support.

Browse Source 
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>
This commit is contained in:
Koen Beel 2012-05-30 20:43:37 +02:00 committed by Felipe Balbi
parent d3c568c302
commit 560f118799
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/usb/gadget/f_fs.c
View File

@ -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;