diff options
| author | Trent Piepho <xyzzy@speakeasy.org> | 2007-01-22 23:31:53 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-02-21 13:34:54 -0200 |
| commit | dbbff48f39263f7e5c96a55624da87879de2bf71 (patch) | |
| tree | 8baff62c9a7235bc1578952907f5ae6f271afe41 /drivers/media/video | |
| parent | 758117c25b65ed5fa502c13f3cdf040a8f954161 (diff) | |
V4L/DVB (5144): Restore VIDIOC_INT_[SG]_REGISTER calls
Add support for these ioctls to the video_ioctl2 system and the cx88
driver.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video')
| -rw-r--r-- | drivers/media/video/cx88/cx88-video.c | 32 | ||||
| -rw-r--r-- | drivers/media/video/videodev.c | 16 |
2 files changed, 47 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) { |