diff options
| -rw-r--r-- | drivers/media/video/cx88/cx88-video.c | 32 | ||||
| -rw-r--r-- | drivers/media/video/videodev.c | 16 | ||||
| -rw-r--r-- | include/media/v4l2-dev.h | 12 |
3 files changed, 59 insertions, 1 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 360046e1d6b..ee8cbd33cfc 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -1385,6 +1385,32 @@ static int vidioc_s_frequency (struct file *file, void *priv, cx88_set_freq (core,f); } +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int vidioc_g_register (struct file *file, void *fh, + struct v4l2_register *reg) +{ + struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core; + + if (reg->i2c_id != 0) + return -EINVAL; + /* cx2388x has a 24-bit register space */ + reg->val = cx_read(reg->reg&0xffffff); + return 0; +} + +static int vidioc_s_register (struct file *file, void *fh, + struct v4l2_register *reg) +{ + struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core; + + if (reg->i2c_id != 0) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + cx_write(reg->reg&0xffffff, reg->val); + return 0; +} +#endif /* ----------------------------------------------------------- */ /* RADIO ESPECIFIC IOCTLS */ @@ -1656,8 +1682,12 @@ static struct video_device cx8800_video_template = .vidioc_s_tuner = vidioc_s_tuner, .vidioc_g_frequency = vidioc_g_frequency, .vidioc_s_frequency = vidioc_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif .tvnorms = CX88_NORMS, - .current_norm = V4L2_STD_NTSC_M, + .current_norm = V4L2_STD_NTSC_M, }; static const struct file_operations radio_fops = diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index a786c1f5b96..4b5d5f771e4 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -1453,6 +1453,22 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, ret=vfd->vidioc_log_status(file, fh); break; } +#ifdef CONFIG_VIDEO_ADV_DEBUG + case VIDIOC_INT_G_REGISTER: + { + struct v4l2_register *p=arg; + if (vfd->vidioc_g_register) + ret=vfd->vidioc_g_register(file, fh, p); + break; + } + case VIDIOC_INT_S_REGISTER: + { + struct v4l2_register *p=arg; + if (vfd->vidioc_s_register) + ret=vfd->vidioc_s_register(file, fh, p); + break; + } +#endif } /* switch */ if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index fb96472a1bd..46eb71f5653 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -77,6 +77,9 @@ int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg); +/* Forward definition of v4l2-common.h defined structure */ +struct v4l2_register; + /* * Newer version of video_device, handled by videodev2.c * This version moves redundant code from video device code to @@ -296,6 +299,15 @@ struct video_device int (*vidioc_log_status) (struct file *file, void *fh); + /* Debugging ioctls */ +#ifdef CONFIG_VIDEO_ADV_DEBUG + int (*vidioc_g_register) (struct file *file, void *fh, + struct v4l2_register *reg); + int (*vidioc_s_register) (struct file *file, void *fh, + struct v4l2_register *reg); +#endif + + #ifdef OBSOLETE_OWNER /* to be removed soon */ /* obsolete -- fops->owner is used instead */ struct module *owner; |