diff options
Diffstat (limited to 'drivers/media/video/mxb.c')
| -rw-r--r-- | drivers/media/video/mxb.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c index db0c5ddec87..d2d26129115 100644 --- a/drivers/media/video/mxb.c +++ b/drivers/media/video/mxb.c @@ -662,13 +662,28 @@ static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_regist { struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; - return call_all(dev, core, g_register, reg); + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (v4l2_chip_match_host(®->match)) { + reg->val = saa7146_read(dev, reg->reg); + reg->size = 4; + return 0; + } + call_all(dev, core, g_register, reg); + return 0; } static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) { struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (v4l2_chip_match_host(®->match)) { + saa7146_write(dev, reg->reg, reg->val); + reg->size = 4; + return 0; + } return call_all(dev, core, s_register, reg); } #endif @@ -689,19 +704,19 @@ static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data } mxb = (struct mxb *)dev->ext_priv; - vv_data.ops.vidioc_enum_input = vidioc_enum_input; - vv_data.ops.vidioc_g_input = vidioc_g_input; - vv_data.ops.vidioc_s_input = vidioc_s_input; - vv_data.ops.vidioc_g_tuner = vidioc_g_tuner; - vv_data.ops.vidioc_s_tuner = vidioc_s_tuner; - vv_data.ops.vidioc_g_frequency = vidioc_g_frequency; - vv_data.ops.vidioc_s_frequency = vidioc_s_frequency; - vv_data.ops.vidioc_enumaudio = vidioc_enumaudio; - vv_data.ops.vidioc_g_audio = vidioc_g_audio; - vv_data.ops.vidioc_s_audio = vidioc_s_audio; + vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; + vv_data.vid_ops.vidioc_g_input = vidioc_g_input; + vv_data.vid_ops.vidioc_s_input = vidioc_s_input; + vv_data.vid_ops.vidioc_g_tuner = vidioc_g_tuner; + vv_data.vid_ops.vidioc_s_tuner = vidioc_s_tuner; + vv_data.vid_ops.vidioc_g_frequency = vidioc_g_frequency; + vv_data.vid_ops.vidioc_s_frequency = vidioc_s_frequency; + vv_data.vid_ops.vidioc_enumaudio = vidioc_enumaudio; + vv_data.vid_ops.vidioc_g_audio = vidioc_g_audio; + vv_data.vid_ops.vidioc_s_audio = vidioc_s_audio; #ifdef CONFIG_VIDEO_ADV_DEBUG - vv_data.ops.vidioc_g_register = vidioc_g_register; - vv_data.ops.vidioc_s_register = vidioc_s_register; + vv_data.vid_ops.vidioc_g_register = vidioc_g_register; + vv_data.vid_ops.vidioc_s_register = vidioc_s_register; #endif if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) { ERR("cannot register capture v4l2 device. skipping.\n"); |