7 files changed, 10 insertions, 7 deletions
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/Makefile b/v4l2-apps/lib/libv4l/libv4lconvert/Makefile
index b7aa58b11..a29410421 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/Makefile
+++ b/v4l2-apps/lib/libv4l/libv4lconvert/Makefile
@@ -1,7 +1,7 @@
 override CPPFLAGS += -I../include -I../../../../linux/include
 
 CFLAGS := -g -O1
-CFLAGS += -Wall -W -Wno-unused -Wpointer-arith -Wstrict-prototypes
+CFLAGS += -Wall -Wno-unused -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes
 
 ifeq ($(LINKTYPE),static)
 CONVERT_LIB   = libv4lconvert.a
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/libv4lconvert.c b/v4l2-apps/lib/libv4l/libv4lconvert/libv4lconvert.c
index 4c9e67d52..ade797cd9 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/libv4lconvert.c
+++ b/v4l2-apps/lib/libv4l/libv4lconvert/libv4lconvert.c
@@ -275,7 +275,7 @@ int v4lconvert_convert(struct v4lconvert_data *data,
 
       if (header_width != dest_fmt->fmt.pix.width || header_height != dest_fmt->fmt.pix.height) {
 	V4LCONVERT_ERR("unexpected width / height in JPEG header\n");
-	V4LCONVERT_ERR("expected: %dx%d, header: %ux%u\n",
+	V4LCONVERT_ERR("expected: %ux%u, header: %ux%u\n",
 	  dest_fmt->fmt.pix.width, dest_fmt->fmt.pix.height,
 	  header_width, header_height);
 	errno = EIO;
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/pac207.c b/v4l2-apps/lib/libv4l/libv4lconvert/pac207.c
index 4887c25ee..97ef4ebc0 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/pac207.c
+++ b/v4l2-apps/lib/libv4l/libv4lconvert/pac207.c
@@ -38,7 +38,7 @@ static struct {
 	signed char val;
 } table[256];
 
-void init_pixart_decoder(void)
+static void init_pixart_decoder(void)
 {
     int i;
     int is_abs, val, len;
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/rgbyuv.c b/v4l2-apps/lib/libv4l/libv4lconvert/rgbyuv.c
index 742dd06ce..883d62330 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/rgbyuv.c
+++ b/v4l2-apps/lib/libv4l/libv4lconvert/rgbyuv.c
@@ -20,6 +20,8 @@
 
 */
 
+#include "libv4lconvert-priv.h"
+
 #define RGB2YUV(r,g,b,y,u,v) \
     (y) = ((  8453*(r) + 16594*(g) +  3223*(b) +  524288) >> 15); \
     (u) = (( -4878*(r) -  9578*(g) + 14456*(b) + 4210688) >> 15); \
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/sn9c10x.c b/v4l2-apps/lib/libv4l/libv4lconvert/sn9c10x.c
index 98a513378..4ea526d49 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/sn9c10x.c
+++ b/v4l2-apps/lib/libv4l/libv4lconvert/sn9c10x.c
@@ -50,7 +50,7 @@ static int sonix_unknown = 0;
 	present at the MSB of byte x.
 
 */
-void sonix_decompress_init(void)
+static void sonix_decompress_init(void)
 {
 	int i;
 	int is_abs, val, len, unk;
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/spca561-decompress.c b/v4l2-apps/lib/libv4l/libv4lconvert/spca561-decompress.c
index 802345af0..01eed4ec5 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/spca561-decompress.c
+++ b/v4l2-apps/lib/libv4l/libv4lconvert/spca561-decompress.c
@@ -28,6 +28,7 @@
  *	but it might work with other spca561 cameras
  */
 #include <string.h>
+#include "libv4lconvert-priv.h"
 
 /*fixme: not reentrant */
 static unsigned int bit_bucket;
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg.c b/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg.c
index 5c3b4e26d..9ef21d799 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg.c
+++ b/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg.c
@@ -246,7 +246,7 @@ static const unsigned char val_ac_chrominance[] =
       unsigned char c; \
       if (stream >= priv->stream_end) { \
 	snprintf(priv->error_string, sizeof(priv->error_string), \
-	  "fill_nbits error: need %d more bits\n", \
+	  "fill_nbits error: need %u more bits\n", \
 	  nbits_wanted - nbits_in_reservoir); \
 	longjmp(priv->jump_state, -EIO); \
       } \
@@ -1676,9 +1676,9 @@ static int parse_SOS(struct jdec_private *priv, const unsigned char *stream)
 	error("We do not support more than %d DC Huffman table\n",
 	  HUFFMAN_TABLES);
      if (cid != priv->component_infos[i].cid)
-	error("SOS cid order (%d:%d) isn't compatible with the SOF marker (%d:%d)\n",
+	error("SOS cid order (%u:%u) isn't compatible with the SOF marker (%u:%u)\n",
 	      i, cid, i, priv->component_infos[i].cid);
-     trace("ComponentId:%d  tableAC:%d tableDC:%d\n", cid, table&0xf, table>>4);
+     trace("ComponentId:%u  tableAC:%d tableDC:%d\n", cid, table&0xf, table>>4);
 #endif
      priv->component_infos[i].AC_table = &priv->HTAC[table&0xf];
      priv->component_infos[i].DC_table = &priv->HTDC[table>>4];