From efbeddde3a5730fec1a47d6a88d9871e9c3b6926 Mon Sep 17 00:00:00 2001
From: Jan Altensen <info@stricted.net>
Date: Sun, 5 Apr 2020 01:25:01 +0200
Subject: [PATCH] libv4l2: resolve compilation errors

Change-Id: I6adb22bbb77582b1a009e5115ff654d83e385f54
---
 libv4l2/exynos_mc.c     | 18 ------------------
 libv4l2/exynos_subdev.c |  4 +---
 libv4l2/exynos_v4l2.c   |  1 -
 3 files changed, 1 insertion(+), 22 deletions(-)

diff --git a/libv4l2/exynos_mc.c b/libv4l2/exynos_mc.c
index a13478d..3ec5f9a 100644
--- a/libv4l2/exynos_mc.c
+++ b/libv4l2/exynos_mc.c
@@ -193,10 +193,6 @@ static int __media_get_devname_sysfs(struct media_entity *entity)
 
 static int __media_get_media_fd(const char *filename, struct media_device *media)
 {
-    ssize_t num;
-    int media_node;
-    char *ptr;
-
     ALOGD("%s: %s", __func__, filename);
 
     media->fd = open(filename, O_RDWR, 0);
@@ -583,20 +579,6 @@ static int __media_get_devname_udev(struct udev *udev,
     return ret;
 }
 
-#else    /* HAVE_LIBUDEV */
-
-struct udev;
-
-static inline int __media_udev_open(struct udev **udev) { return 0; }
-
-static inline void __media_udev_close(struct udev *udev) { }
-
-static inline int __media_get_devname_udev(struct udev *udev,
-        struct media_entity *entity)
-{
-    return -ENOTSUP;
-}
-
 #endif    /* HAVE_LIBUDEV */
 
 /**
diff --git a/libv4l2/exynos_subdev.c b/libv4l2/exynos_subdev.c
index 916537f..e121314 100644
--- a/libv4l2/exynos_subdev.c
+++ b/libv4l2/exynos_subdev.c
@@ -68,12 +68,11 @@ int exynos_subdev_open(const char *filename, int oflag, ...)
     return fd;
 }
 
-int exynos_subdev_get_node_num(const char *devname, int oflag, ...)
+int exynos_subdev_get_node_num(const char *devname, int oflag __unused, ...)
 {
     bool found = false;
     int ret = -1;
     struct stat s;
-    va_list ap;
     FILE *stream_fd;
     char filename[64], name[64];
     int i = 0;
@@ -136,7 +135,6 @@ int exynos_subdev_open_devname(const char *devname, int oflag, ...)
     va_list ap;
     FILE *stream_fd;
     char filename[64], name[64];
-    long size;
     int i = 0;
 
     do {
diff --git a/libv4l2/exynos_v4l2.c b/libv4l2/exynos_v4l2.c
index d11fe70..cc838c2 100644
--- a/libv4l2/exynos_v4l2.c
+++ b/libv4l2/exynos_v4l2.c
@@ -764,7 +764,6 @@ int exynos_v4l2_s_ctrl(int fd, unsigned int id, int value)
 int exynos_v4l2_prepare(int fd, struct v4l2_buffer *arg)
 {
     int ret = -1;
-    struct v4l2_control ctrl;
 
     Exynos_v4l2_In();
 
-- 
2.20.1