From 13d54125a3482a5837682499d25f6be10aa824be Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 1 Jul 2014 17:49:25 +0200
Subject: [PATCH] mtp: linux guest detection fix.

Attach a name to the MTP interface (android phones have this too).

With this patch recent linux guests such as fedora 20 happily detect and
use the device.  It shows up in nautilus file manager automatically, and
simple-mtpfs can mount it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/usb/dev-mtp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
index 380b465621..1b51a90022 100644
--- a/hw/usb/dev-mtp.c
+++ b/hw/usb/dev-mtp.c
@@ -145,6 +145,7 @@ enum {
     STR_MANUFACTURER = 1,
     STR_PRODUCT,
     STR_SERIALNUMBER,
+    STR_MTP,
     STR_CONFIG_FULL,
     STR_CONFIG_HIGH,
     STR_CONFIG_SUPER,
@@ -154,6 +155,7 @@ static const USBDescStrings desc_strings = {
     [STR_MANUFACTURER] = MTP_MANUFACTURER,
     [STR_PRODUCT]      = MTP_PRODUCT,
     [STR_SERIALNUMBER] = "34617",
+    [STR_MTP]          = "MTP",
     [STR_CONFIG_FULL]  = "Full speed config (usb 1.1)",
     [STR_CONFIG_HIGH]  = "High speed config (usb 2.0)",
     [STR_CONFIG_SUPER] = "Super speed config (usb 3.0)",
@@ -165,6 +167,7 @@ static const USBDescIface desc_iface_full = {
     .bInterfaceClass               = USB_CLASS_STILL_IMAGE,
     .bInterfaceSubClass            = 0x01,
     .bInterfaceProtocol            = 0x01,
+    .iInterface                    = STR_MTP,
     .eps = (USBDescEndpoint[]) {
         {
             .bEndpointAddress      = USB_DIR_IN | EP_DATA_IN,
@@ -206,6 +209,7 @@ static const USBDescIface desc_iface_high = {
     .bInterfaceClass               = USB_CLASS_STILL_IMAGE,
     .bInterfaceSubClass            = 0x01,
     .bInterfaceProtocol            = 0x01,
+    .iInterface                    = STR_MTP,
     .eps = (USBDescEndpoint[]) {
         {
             .bEndpointAddress      = USB_DIR_IN | EP_DATA_IN,