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path: root/drivers/media/video/em28xx/em28xx-video.c
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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-video.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-video.c58
1 files changed, 57 insertions, 1 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index d176dc0394e2..9b4557a2f6d0 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -1156,6 +1156,21 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
return 0;
}
+static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, querystd, norm);
+
+ return 0;
+}
+
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
{
struct em28xx_fh *fh = priv;
@@ -1787,6 +1802,45 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
return 0;
}
+static int vidioc_enum_framesizes(struct file *file, void *priv,
+ struct v4l2_frmsizeenum *fsize)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ struct em28xx_fmt *fmt;
+ unsigned int maxw = norm_maxw(dev);
+ unsigned int maxh = norm_maxh(dev);
+
+ fmt = format_by_fourcc(fsize->pixel_format);
+ if (!fmt) {
+ em28xx_videodbg("Fourcc format (%08x) invalid.\n",
+ fsize->pixel_format);
+ return -EINVAL;
+ }
+
+ if (dev->board.is_em2800) {
+ if (fsize->index > 1)
+ return -EINVAL;
+ fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+ fsize->discrete.width = maxw / (1 + fsize->index);
+ fsize->discrete.height = maxh / (1 + fsize->index);
+ return 0;
+ }
+
+ if (fsize->index != 0)
+ return -EINVAL;
+
+ /* Report a continuous range */
+ fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+ fsize->stepwise.min_width = 48;
+ fsize->stepwise.min_height = 32;
+ fsize->stepwise.max_width = maxw;
+ fsize->stepwise.max_height = maxh;
+ fsize->stepwise.step_width = 1;
+ fsize->stepwise.step_height = 1;
+ return 0;
+}
+
/* Sliced VBI ioctls */
static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
@@ -2200,6 +2254,7 @@ static int em28xx_v4l2_close(struct file *filp)
free the remaining resources */
if (dev->state & DEV_DISCONNECTED) {
em28xx_release_resources(dev);
+ kfree(dev->alt_max_pkt_size);
kfree(dev);
return 0;
}
@@ -2340,10 +2395,10 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
.vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap,
+ .vidioc_enum_framesizes = vidioc_enum_framesizes,
.vidioc_g_audio = vidioc_g_audio,
.vidioc_s_audio = vidioc_s_audio,
.vidioc_cropcap = vidioc_cropcap,
-
.vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap,
.vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
.vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
@@ -2353,6 +2408,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_g_std = vidioc_g_std,
+ .vidioc_querystd = vidioc_querystd,
.vidioc_s_std = vidioc_s_std,
.vidioc_g_parm = vidioc_g_parm,
.vidioc_s_parm = vidioc_s_parm,