diff options
| -rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml | 3 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-video.c | 4 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-dev.c | 2 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 8 | ||||
| -rw-r--r-- | include/media/v4l2-ioctl.h | 6 |
5 files changed, 13 insertions, 10 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml index 4921346fabd..5fce8d84288 100644 --- a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml +++ b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml @@ -63,6 +63,9 @@ card. Regular applications must not use it. When you found a chip specific bug, please contact the linux-media mailing list (&v4l-ml;) so it can be fixed.</para> + <para>Additionally the Linux kernel must be compiled with the +<constant>CONFIG_VIDEO_ADV_DEBUG</constant> option to enable this ioctl.</para> + <para>To query the driver applications must initialize the <structfield>match.type</structfield> and <structfield>match.addr</structfield> or <structfield>match.name</structfield> diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 792ead1025d..39951f5731e 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -1331,6 +1331,7 @@ static int vidioc_g_chip_ident(struct file *file, void *priv, return 0; } +#ifdef CONFIG_VIDEO_ADV_DEBUG static int vidioc_g_chip_name(struct file *file, void *priv, struct v4l2_dbg_chip_name *chip) { @@ -1346,7 +1347,6 @@ static int vidioc_g_chip_name(struct file *file, void *priv, return 0; } -#ifdef CONFIG_VIDEO_ADV_DEBUG static int em28xx_reg_len(int reg) { switch (reg) { @@ -1796,8 +1796,8 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, .vidioc_g_chip_ident = vidioc_g_chip_ident, - .vidioc_g_chip_name = vidioc_g_chip_name, #ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_chip_name = vidioc_g_chip_name, .vidioc_g_register = vidioc_g_register, .vidioc_s_register = vidioc_s_register, #endif diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index 670b9ca8ecb..1c3b43cf773 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -591,8 +591,8 @@ static void determine_valid_ioctls(struct video_device *vdev) SET_VALID_IOCTL(ops, VIDIOC_G_FREQUENCY, vidioc_g_frequency); SET_VALID_IOCTL(ops, VIDIOC_S_FREQUENCY, vidioc_s_frequency); SET_VALID_IOCTL(ops, VIDIOC_LOG_STATUS, vidioc_log_status); - set_bit(_IOC_NR(VIDIOC_DBG_G_CHIP_NAME), valid_ioctls); #ifdef CONFIG_VIDEO_ADV_DEBUG + set_bit(_IOC_NR(VIDIOC_DBG_G_CHIP_NAME), valid_ioctls); set_bit(_IOC_NR(VIDIOC_DBG_G_REGISTER), valid_ioctls); set_bit(_IOC_NR(VIDIOC_DBG_S_REGISTER), valid_ioctls); #endif diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 336ed2dd607..feac07e5029 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1873,6 +1873,7 @@ static int v4l_dbg_g_chip_ident(const struct v4l2_ioctl_ops *ops, static int v4l_dbg_g_chip_name(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { +#ifdef CONFIG_VIDEO_ADV_DEBUG struct video_device *vfd = video_devdata(file); struct v4l2_dbg_chip_name *p = arg; struct v4l2_subdev *sd; @@ -1880,12 +1881,10 @@ static int v4l_dbg_g_chip_name(const struct v4l2_ioctl_ops *ops, switch (p->match.type) { case V4L2_CHIP_MATCH_BRIDGE: -#ifdef CONFIG_VIDEO_ADV_DEBUG if (ops->vidioc_s_register) p->flags |= V4L2_CHIP_FL_WRITABLE; if (ops->vidioc_g_register) p->flags |= V4L2_CHIP_FL_READABLE; -#endif if (ops->vidioc_g_chip_name) return ops->vidioc_g_chip_name(file, fh, arg); if (p->match.addr) @@ -1904,12 +1903,10 @@ static int v4l_dbg_g_chip_name(const struct v4l2_ioctl_ops *ops, break; v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) { if (v4l_dbg_found_match(&p->match, sd, idx++)) { -#ifdef CONFIG_VIDEO_ADV_DEBUG if (sd->ops->core && sd->ops->core->s_register) p->flags |= V4L2_CHIP_FL_WRITABLE; if (sd->ops->core && sd->ops->core->g_register) p->flags |= V4L2_CHIP_FL_READABLE; -#endif strlcpy(p->name, sd->name, sizeof(p->name)); return 0; } @@ -1917,6 +1914,9 @@ static int v4l_dbg_g_chip_name(const struct v4l2_ioctl_ops *ops, break; } return -EINVAL; +#else + return -ENOTTY; +#endif } static int v4l_dqevent(const struct v4l2_ioctl_ops *ops, diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index b273f0e8181..6b917d69e40 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -243,12 +243,12 @@ struct v4l2_ioctl_ops { struct v4l2_dbg_register *reg); int (*vidioc_s_register) (struct file *file, void *fh, const struct v4l2_dbg_register *reg); -#endif - int (*vidioc_g_chip_ident) (struct file *file, void *fh, - struct v4l2_dbg_chip_ident *chip); int (*vidioc_g_chip_name) (struct file *file, void *fh, struct v4l2_dbg_chip_name *chip); +#endif + int (*vidioc_g_chip_ident) (struct file *file, void *fh, + struct v4l2_dbg_chip_ident *chip); int (*vidioc_enum_framesizes) (struct file *file, void *fh, struct v4l2_frmsizeenum *fsize); |