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V4L/DVB (9957): v4l2-subdev: add g_sliced_vbi_cap and add NULL pointer checks

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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2008-12-18 11:16:24 -03:00 committed by Mauro Carvalho Chehab
parent 531c98e718
commit 1fe2740ff1
2 changed files with 7 additions and 4 deletions
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10
drivers/media/video/v4l2-subdev.c
View file

@ -40,13 +40,13 @@ int v4l2_subdev_command(struct v4l2_subdev *sd, unsigned cmd, void *arg)
case VIDIOC_G_CHIP_IDENT:
return v4l2_subdev_call(sd, core, g_chip_ident, arg);
case VIDIOC_INT_S_STANDBY:
return v4l2_subdev_call(sd, core, s_standby, *(u32 *)arg);
return v4l2_subdev_call(sd, core, s_standby, arg ? (*(u32 *)arg) : 0);
case VIDIOC_INT_RESET:
return v4l2_subdev_call(sd, core, reset, *(u32 *)arg);
return v4l2_subdev_call(sd, core, reset, arg ? (*(u32 *)arg) : 0);
case VIDIOC_INT_S_GPIO:
return v4l2_subdev_call(sd, core, s_gpio, *(u32 *)arg);
return v4l2_subdev_call(sd, core, s_gpio, arg ? (*(u32 *)arg) : 0);
case VIDIOC_INT_INIT:
return v4l2_subdev_call(sd, core, init, *(u32 *)arg);
return v4l2_subdev_call(sd, core, init, arg ? (*(u32 *)arg) : 0);
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
return v4l2_subdev_call(sd, core, g_register, arg);
@ -90,6 +90,8 @@ int v4l2_subdev_command(struct v4l2_subdev *sd, unsigned cmd, void *arg)
return v4l2_subdev_call(sd, video, s_vbi_data, arg);
case VIDIOC_INT_G_VBI_DATA:
return v4l2_subdev_call(sd, video, g_vbi_data, arg);
case VIDIOC_G_SLICED_VBI_CAP:
return v4l2_subdev_call(sd, video, g_sliced_vbi_cap, arg);
case VIDIOC_S_FMT:
return v4l2_subdev_call(sd, video, s_fmt, arg);
case VIDIOC_G_FMT:

1
include/media/v4l2-subdev.h
View file

@ -110,6 +110,7 @@ struct v4l2_subdev_video_ops {
int (*decode_vbi_line)(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi_line);
int (*s_vbi_data)(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *vbi_data);
int (*g_vbi_data)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_data *vbi_data);
int (*g_sliced_vbi_cap)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_cap *cap);
int (*s_std_output)(struct v4l2_subdev *sd, v4l2_std_id std);
int (*s_stream)(struct v4l2_subdev *sd, int enable);
int (*s_fmt)(struct v4l2_subdev *sd, struct v4l2_format *fmt);