V4L/DVB (4901): Improve debug msgs to show fourcc and buffer length on video_ioctl2

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 1be712757e4d8552efe9225d227e0b70f56b9ead..6a0e8ca7294803056cf29d11716d7ed175b35e5f 100644 (file)
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -342,7 +342,7 @@ static void dbgbuf(unsigned int cmd, struct video_device *vfd,
 
        dbgarg (cmd, "%02ld:%02d:%02d.%08ld index=%d, type=%s, "
                "bytesused=%d, flags=0x%08d, "
-               "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx\n",
+               "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx, length=%d\n",
                        (p->timestamp.tv_sec/3600),
                        (int)(p->timestamp.tv_sec/60)%60,
                        (int)(p->timestamp.tv_sec%60),
@@ -352,7 +352,7 @@ static void dbgbuf(unsigned int cmd, struct video_device *vfd,
                        p->bytesused,p->flags,
                        p->field,p->sequence,
                        prt_names(p->memory,v4l2_memory_names),
-                       p->m.userptr);
+                       p->m.userptr, p->length);
        dbgarg2 ("timecode= %02d:%02d:%02d type=%d, "
                "flags=0x%08d, frames=%d, userbits=0x%08x\n",
                        tc->hours,tc->minutes,tc->seconds,
@@ -369,9 +369,13 @@ static inline void dbgrect(struct video_device *vfd, char *s,
 static inline void v4l_print_pix_fmt (struct video_device *vfd,
                                                struct v4l2_pix_format *fmt)
 {
-       dbgarg2 ("width=%d, height=%d, format=0x%08x, field=%s, "
+       dbgarg2 ("width=%d, height=%d, format=%c%c%c%c, field=%s, "
                "bytesperline=%d sizeimage=%d, colorspace=%d\n",
-               fmt->width,fmt->height,fmt->pixelformat,
+               fmt->width,fmt->height,
+               (fmt->pixelformat & 0xff),
+               (fmt->pixelformat >>  8) & 0xff,
+               (fmt->pixelformat >> 16) & 0xff,
+               (fmt->pixelformat >> 24) & 0xff,
                prt_names(fmt->field,v4l2_field_names_FIXME),
                fmt->bytesperline,fmt->sizeimage,fmt->colorspace);
 };
@@ -530,12 +534,13 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
                }
                if (!ret)
                        dbgarg (cmd, "index=%d, type=%d, flags=%d, "
-                                       "description=%s,"
-                                       " pixelformat=0x%8x\n",
+                                       "pixelformat=%c%c%c%c, description='%s'\n",
                                        f->index, f->type, f->flags,
-                                       f->description,
-                                       f->pixelformat);
-
+                                       (f->pixelformat & 0xff),
+                                       (f->pixelformat >>  8) & 0xff,
+                                       (f->pixelformat >> 16) & 0xff,
+                                       (f->pixelformat >> 24) & 0xff,
+                                       f->description);
                break;
        }
        case VIDIOC_G_FMT: