From 46ef041ead9ce757fd2b10a81932b85ce8200b4b Mon Sep 17 00:00:00 2001
From: Kai Jauslin <kj@nextension.com>
Date: Sat, 4 Apr 2015 09:49:32 +0200
Subject: [PATCH 1/4] Updated gspca.c from kernel sources 3.4.29

---
 gspca.c | 25 ++++++++++---------------
 1 file changed, 10 insertions(+), 15 deletions(-)

diff --git a/gspca.c b/gspca.c
index 4268a73..2ddd254 100644
--- a/gspca.c
+++ b/gspca.c
@@ -20,11 +20,6 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
- 
-/*
- * WARNING: THIS IS A PATCHED VERION OF alt_xfer(),
- * WICH RETURNS THE SECOND ISOC ENDPOINT, NOT THE FIRST!
-*/
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -610,13 +605,12 @@ static void gspca_stream_off(struct gspca_dev *gspca_dev)
 
 /*
  * look for an input transfer endpoint in an alternate setting
- * patched to get _only_ the second endpoint
  */
 static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt,
 					  int xfer)
 {
 	struct usb_host_endpoint *ep;
-	int i, attr, ep_nr;
+	int i, attr,ep_nr;
 
 	ep_nr=0;
 	for (i = 0; i < alt->desc.bNumEndpoints; i++) {
@@ -624,13 +618,10 @@ static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt,
 		attr = ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 		if (attr == xfer
 		    && ep->desc.wMaxPacketSize != 0
-		    && usb_endpoint_dir_in(&ep->desc)){
-				if(ep_nr > 0){
-									
-					return ep;
-				}
-				else
-					ep_nr++;
+		    && usb_endpoint_dir_in(&ep->desc)) {
+			if (ep_nr > 0) {
+				return ep;
+			} else ep_nr++;
 		}
 	}
 	return NULL;
@@ -1279,6 +1270,7 @@ static void gspca_release(struct v4l2_device *v4l2_device)
 static int dev_open(struct file *file)
 {
 	struct gspca_dev *gspca_dev = video_drvdata(file);
+	int ret;
 
 	PDEBUG(D_STREAM, "[%s] open", current->comm);
 
@@ -1286,7 +1278,10 @@ static int dev_open(struct file *file)
 	if (!try_module_get(gspca_dev->module))
 		return -ENODEV;
 
-	return v4l2_fh_open(file);
+	ret = v4l2_fh_open(file);
+	if (ret)
+		module_put(gspca_dev->module);
+	return ret;
 }
 
 static int dev_close(struct file *file)

From f7a38a402a55de08dd5b03f2e901073b895c13c5 Mon Sep 17 00:00:00 2001
From: Kai Jauslin <kj@nextension.com>
Date: Sat, 4 Apr 2015 09:53:10 +0200
Subject: [PATCH 2/4] Switched to hard float build

---
 Makefile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 5083dd4..0c53ce5 100644
--- a/Makefile
+++ b/Makefile
@@ -16,8 +16,9 @@ ifeq ($(UNAME),armv6l)
 	AMRKDIR	:= /usr/src/linux
 else
 	ARCH	:= arm
-	CROSS	:= arm-linux-gnueabi-
-	ARMKDIR	:= /usr/src/arm/linux
+	CROSS	:= arm-linux-gnueabihf-
+	#ARMKDIR	:= ~/pi/linux
+	ARMKDIR  := /usr/src/arm/linux
 endif
 
 default:

From f41917b01bfa7cabf3089ce55dd3c068052beae7 Mon Sep 17 00:00:00 2001
From: Kai Jauslin <kj@nextension.com>
Date: Sat, 4 Apr 2015 10:00:21 +0200
Subject: [PATCH 3/4] Formatting cleanup

---
 Makefile | 1 -
 gspca.c  | 6 ++++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 0c53ce5..3d999bf 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,6 @@ ifeq ($(UNAME),armv6l)
 else
 	ARCH	:= arm
 	CROSS	:= arm-linux-gnueabihf-
-	#ARMKDIR	:= ~/pi/linux
 	ARMKDIR  := /usr/src/arm/linux
 endif
 
diff --git a/gspca.c b/gspca.c
index 2ddd254..066b0aa 100644
--- a/gspca.c
+++ b/gspca.c
@@ -610,7 +610,7 @@ static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt,
 					  int xfer)
 {
 	struct usb_host_endpoint *ep;
-	int i, attr,ep_nr;
+	int i, attr, ep_nr;
 
 	ep_nr=0;
 	for (i = 0; i < alt->desc.bNumEndpoints; i++) {
@@ -621,7 +621,9 @@ static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt,
 		    && usb_endpoint_dir_in(&ep->desc)) {
 			if (ep_nr > 0) {
 				return ep;
-			} else ep_nr++;
+			} else {
+				ep_nr++;
+			}
 		}
 	}
 	return NULL;

From 6c9d697ffc3447fb4d14f511cdf13f8aae70f113 Mon Sep 17 00:00:00 2001
From: Kai Jauslin <kj@nextension.com>
Date: Sat, 4 Apr 2015 10:01:37 +0200
Subject: [PATCH 4/4] Formatting cleanup

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 3d999bf..02e49da 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ ifeq ($(UNAME),armv6l)
 else
 	ARCH	:= arm
 	CROSS	:= arm-linux-gnueabihf-
-	ARMKDIR  := /usr/src/arm/linux
+	ARMKDIR := /usr/src/arm/linux
 endif
 
 default: