media: docs: Fix newline typo

Fix example code which has missing or double backslash typo.
Signed-off-by: Kwang Son <dev.kwang.son@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/userspace-api/media/v4l/capture.c.rst

@@ -56,7 +56,7 @@ file: media/v4l/capture.c
 
     static void errno_exit(const char *s)
     {
-	    fprintf(stderr, "%s error %d, %s\\n", s, errno, strerror(errno));
+	    fprintf(stderr, "%s error %d, %s\n", s, errno, strerror(errno));
 	    exit(EXIT_FAILURE);
     }
 
@@ -201,7 +201,7 @@ file: media/v4l/capture.c
 			    }
 
 			    if (0 == r) {
-				    fprintf(stderr, "select timeout\\n");
+				    fprintf(stderr, "select timeout\n");
 				    exit(EXIT_FAILURE);
 			    }
 
@@ -307,7 +307,7 @@ file: media/v4l/capture.c
 	    buffers = calloc(1, sizeof(*buffers));
 
 	    if (!buffers) {
-		    fprintf(stderr, "Out of memory\\n");
+		    fprintf(stderr, "Out of memory\n");
 		    exit(EXIT_FAILURE);
 	    }
 
@@ -315,7 +315,7 @@ file: media/v4l/capture.c
 	    buffers[0].start = malloc(buffer_size);
 
 	    if (!buffers[0].start) {
-		    fprintf(stderr, "Out of memory\\n");
+		    fprintf(stderr, "Out of memory\n");
 		    exit(EXIT_FAILURE);
 	    }
     }
@@ -341,7 +341,7 @@ file: media/v4l/capture.c
 	    }
 
 	    if (req.count < 2) {
-		    fprintf(stderr, "Insufficient buffer memory on %s\\n",
+		    fprintf(stderr, "Insufficient buffer memory on %s\n",
 			     dev_name);
 		    exit(EXIT_FAILURE);
 	    }
@@ -349,7 +349,7 @@ file: media/v4l/capture.c
 	    buffers = calloc(req.count, sizeof(*buffers));
 
 	    if (!buffers) {
-		    fprintf(stderr, "Out of memory\\n");
+		    fprintf(stderr, "Out of memory\n");
 		    exit(EXIT_FAILURE);
 	    }
 
@@ -401,7 +401,7 @@ file: media/v4l/capture.c
 	    buffers = calloc(4, sizeof(*buffers));
 
 	    if (!buffers) {
-		    fprintf(stderr, "Out of memory\\n");
+		    fprintf(stderr, "Out of memory\n");
 		    exit(EXIT_FAILURE);
 	    }
 
@@ -410,7 +410,7 @@ file: media/v4l/capture.c
 		    buffers[n_buffers].start = malloc(buffer_size);
 
 		    if (!buffers[n_buffers].start) {
-			    fprintf(stderr, "Out of memory\\n");
+			    fprintf(stderr, "Out of memory\n");
 			    exit(EXIT_FAILURE);
 		    }
 	    }
@@ -426,7 +426,7 @@ file: media/v4l/capture.c
 
 	    if (-1 == xioctl(fd, VIDIOC_QUERYCAP, &cap)) {
 		    if (EINVAL == errno) {
-			    fprintf(stderr, "%s is no V4L2 device\\n",
+			    fprintf(stderr, "%s is no V4L2 device\n",
 				     dev_name);
 			    exit(EXIT_FAILURE);
 		    } else {
@@ -435,7 +435,7 @@ file: media/v4l/capture.c
 	    }
 
 	    if (!(cap.capabilities & V4L2_CAP_VIDEO_CAPTURE)) {
-		    fprintf(stderr, "%s is no video capture device\\n",
+		    fprintf(stderr, "%s is no video capture device\n",
 			     dev_name);
 		    exit(EXIT_FAILURE);
 	    }
@@ -443,7 +443,7 @@ file: media/v4l/capture.c
 	    switch (io) {
 	    case IO_METHOD_READ:
 		    if (!(cap.capabilities & V4L2_CAP_READWRITE)) {
-			    fprintf(stderr, "%s does not support read i/o\\n",
+			    fprintf(stderr, "%s does not support read i/o\n",
 				     dev_name);
 			    exit(EXIT_FAILURE);
 		    }
@@ -452,7 +452,7 @@ file: media/v4l/capture.c
 	    case IO_METHOD_MMAP:
 	    case IO_METHOD_USERPTR:
 		    if (!(cap.capabilities & V4L2_CAP_STREAMING)) {
-			    fprintf(stderr, "%s does not support streaming i/o\\n",
+			    fprintf(stderr, "%s does not support streaming i/o\n",
 				     dev_name);
 			    exit(EXIT_FAILURE);
 		    }
@@ -541,7 +541,7 @@ file: media/v4l/capture.c
 	    struct stat st;
 
 	    if (-1 == stat(dev_name, &st)) {
-		    fprintf(stderr, "Cannot identify '%s': %d, %s\\n",
+		    fprintf(stderr, "Cannot identify '%s': %d, %s\n",
 			     dev_name, errno, strerror(errno));
 		    exit(EXIT_FAILURE);
 	    }
@@ -554,7 +554,7 @@ file: media/v4l/capture.c
 	    fd = open(dev_name, O_RDWR /* required */ | O_NONBLOCK, 0);
 
 	    if (-1 == fd) {
-		    fprintf(stderr, "Cannot open '%s': %d, %s\\n",
+		    fprintf(stderr, "Cannot open '%s': %d, %s\n",
 			     dev_name, errno, strerror(errno));
 		    exit(EXIT_FAILURE);
 	    }
@@ -563,17 +563,17 @@ file: media/v4l/capture.c
     static void usage(FILE *fp, int argc, char **argv)
     {
 	    fprintf(fp,
-		     "Usage: %s [options]\\n\\n"
-		     "Version 1.3\\n"
-		     "Options:\\n"
-		     "-d | --device name   Video device name [%s]n"
-		     "-h | --help          Print this messagen"
-		     "-m | --mmap          Use memory mapped buffers [default]n"
-		     "-r | --read          Use read() callsn"
-		     "-u | --userp         Use application allocated buffersn"
-		     "-o | --output        Outputs stream to stdoutn"
-		     "-f | --format        Force format to 640x480 YUYVn"
-		     "-c | --count         Number of frames to grab [%i]n"
+		     "Usage: %s [options]\n\n"
+		     "Version 1.3\n"
+		     "Options:\n"
+		     "-d | --device name   Video device name [%s]\n"
+		     "-h | --help          Print this message\n"
+		     "-m | --mmap          Use memory mapped buffers [default]\n"
+		     "-r | --read          Use read() calls\n"
+		     "-u | --userp         Use application allocated buffers\n"
+		     "-o | --output        Outputs stream to stdout\n"
+		     "-f | --format        Force format to 640x480 YUYV\n"
+		     "-c | --count         Number of frames to grab [%i]\n"
 		     "",
 		     argv[0], dev_name, frame_count);
     }
@@ -659,6 +659,6 @@ file: media/v4l/capture.c
 	    stop_capturing();
 	    uninit_device();
 	    close_device();
-	    fprintf(stderr, "\\n");
+	    fprintf(stderr, "\n");
 	    return 0;
     }

Documentation/userspace-api/media/v4l/v4l2grab.c.rst

@@ -46,7 +46,7 @@ file: media/v4l/v4l2grab.c
 	    } while (r == -1 && ((errno == EINTR) || (errno == EAGAIN)));
 
 	    if (r == -1) {
-		    fprintf(stderr, "error %d, %s\\n", errno, strerror(errno));
+		    fprintf(stderr, "error %d, %s\n", errno, strerror(errno));
 		    exit(EXIT_FAILURE);
 	    }
     }
@@ -80,11 +80,11 @@ file: media/v4l/v4l2grab.c
 	    fmt.fmt.pix.field       = V4L2_FIELD_INTERLACED;
 	    xioctl(fd, VIDIOC_S_FMT, &fmt);
 	    if (fmt.fmt.pix.pixelformat != V4L2_PIX_FMT_RGB24) {
-		    printf("Libv4l didn't accept RGB24 format. Can't proceed.\\n");
+		    printf("Libv4l didn't accept RGB24 format. Can't proceed.\n");
 		    exit(EXIT_FAILURE);
 	    }
 	    if ((fmt.fmt.pix.width != 640) || (fmt.fmt.pix.height != 480))
-		    printf("Warning: driver is sending image at %dx%d\\n",
+		    printf("Warning: driver is sending image at %dx%d\n",
 			    fmt.fmt.pix.width, fmt.fmt.pix.height);
 
 	    CLEAR(req);
@@ -151,7 +151,7 @@ file: media/v4l/v4l2grab.c
 			    perror("Cannot open image");
 			    exit(EXIT_FAILURE);
 		    }
-		    fprintf(fout, "P6\\n%d %d 255\\n",
+		    fprintf(fout, "P6\n%d %d 255\n",
 			    fmt.fmt.pix.width, fmt.fmt.pix.height);
 		    fwrite(buffers[buf.index].start, buf.bytesused, 1, fout);
 		    fclose(fout);