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| author | Koen Beel <koen.beel@gmail.com> | 2012-05-30 22:43:37 +0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-06-04 19:11:59 +0400 |
| commit | 560f1187990c6c548756bf2f1183aa19d9c97413 (patch) | |
| tree | 3127662a8e5149a542382c7c6b040c0cb8e8ee35 /drivers/usb/gadget/f_fs.c | |
| parent | d3c568c302ed0e3b2d51f0335f304ca4d85de54b (diff) | |
| download | linux-560f1187990c6c548756bf2f1183aa19d9c97413.tar.xz | |
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>
Diffstat (limited to 'drivers/usb/gadget/f_fs.c')
| -rw-r--r-- | drivers/usb/gadget/f_fs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index dcd1c7fbb016..8adc79d1b402 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 @@ 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; |