git.openwrt.org Git - openwrt/staging/yousong.git/blob

   1 From 4d6c40ebfe10dd2fdc64bd7607e51275d5524e47 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Fri, 13 Sep 2019 17:23:26 +0100
   4 Subject: [PATCH] staging: bcm2835-codec: Set default and error check
   5  timeperframe
   6
   7 G_PARM default was invalid as 0/0, and the driver didn't check
   8 the value set in S_PARM wasn't 0/0.
   9
  10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  11 ---
  12  .../vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c       | 7 +++++++
  13  1 file changed, 7 insertions(+)
  14
  15 --- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  16 +++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  17 @@ -1423,6 +1423,10 @@ static int vidioc_s_parm(struct file *fi
  18         if (parm->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
  19                 return -EINVAL;
  20
  21 +       if (!parm->parm.output.timeperframe.denominator ||
  22 +           !parm->parm.output.timeperframe.numerator)
  23 +               return -EINVAL;
  24 +
  25         ctx->framerate_num =
  26                         parm->parm.output.timeperframe.denominator;
  27         ctx->framerate_denom =
  28 @@ -2390,6 +2394,9 @@ static int bcm2835_codec_open(struct fil
  29         ctx->colorspace = V4L2_COLORSPACE_REC709;
  30         ctx->bitrate = 10 * 1000 * 1000;
  31
  32 +       ctx->framerate_num = 30;
  33 +       ctx->framerate_denom = 1;
  34 +
  35         /* Initialise V4L2 contexts */
  36         v4l2_fh_init(&ctx->fh, video_devdata(file));
  37         file->private_data = &ctx->fh;