diff options
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index ec0bd6411aa7..f9eed938d348 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -263,6 +263,19 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) return -EPERM; return v4l2_subdev_call(sd, core, s_register, p); } + case VIDIOC_DBG_G_CHIP_INFO: + { + struct v4l2_dbg_chip_info *p = arg; + + if (p->match.type != V4L2_CHIP_MATCH_SUBDEV || p->match.addr) + return -EINVAL; + 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; + strlcpy(p->name, sd->name, sizeof(p->name)); + return 0; + } #endif case VIDIOC_LOG_STATUS: { |