media-libs/libv4l/files/libv4l-1.20.0-increase-v4l2-max-devices.patch

From bd0ecbe71e37adf7b1e3d6dfb8200aa20bcc05e4 Mon Sep 17 00:00:00 2001
From: Wu-Cheng Li <wuchengli@chromium.org>
Date: Mon, 20 Apr 2015 15:43:13 +0800
Subject: [PATCH] Increase the number of max V4L2 instance to 64.

---
 lib/libv4l2/libv4l2-priv.h |  2 +-
 lib/libv4l2/libv4l2.c      | 13 +++++++++++--
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/lib/libv4l2/libv4l2-priv.h b/lib/libv4l2/libv4l2-priv.h
index 343db5e..6d4f976 100644
--- a/lib/libv4l2/libv4l2-priv.h
+++ b/lib/libv4l2/libv4l2-priv.h
@@ -25,7 +25,7 @@
 
 #include "../libv4lconvert/libv4lsyscall-priv.h"
 
-#define V4L2_MAX_DEVICES 16
+#define V4L2_MAX_DEVICES 64
 /* Warning when making this larger the frame_queued and frame_mapped members of
    the v4l2_dev_info struct can no longer be a bitfield, so the code needs to
    be adjusted! */
diff --git a/lib/libv4l2/libv4l2.c b/lib/libv4l2/libv4l2.c
index 70a6fd2..87066ae 100644
--- a/lib/libv4l2/libv4l2.c
+++ b/lib/libv4l2/libv4l2.c
@@ -93,10 +93,19 @@ static void v4l2_set_src_and_dest_format(int index,
 
 static pthread_mutex_t v4l2_open_mutex = PTHREAD_MUTEX_INITIALIZER;
 static struct v4l2_dev_info devices[V4L2_MAX_DEVICES] = {
-	{ .fd = -1 },
 	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
 	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
-	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 },
+	{ .fd = -1 }, { .fd = -1 }, { .fd = -1 }, { .fd = -1 }
 };
 static int devices_used;
 
-- 
2.2.0.rc0.207.ga3a616c