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| author |   Tobias Lorenz <tobias.lorenz@gmx.net> | 2008-05-26 18:40:46 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 07:07:12 -0300 |
| commit | 1d0ba5f3784612fe6e91a12e0dec37c797d4f07c (patch) | |
| tree | 8e05b0fc73664285504c4319892c842a78d6b63d | |
| parent | V4L/DVB (7939): pvrusb2: Remove sysfs interface hackery (diff) | |
| download | linux-dev-1d0ba5f3784612fe6e91a12e0dec37c797d4f07c.tar.xz linux-dev-1d0ba5f3784612fe6e91a12e0dec37c797d4f07c.zip | |
V4L/DVB (7942): Hardware frequency seek ioctl interface
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/compat_ioctl32.c | 1 | ||||
| -rw-r--r-- | drivers/media/video/videodev.c | 12 | ||||
| -rw-r--r-- | include/linux/videodev2.h | 10 | ||||
| -rw-r--r-- | include/media/v4l2-dev.h | 2 |
4 files changed, 25 insertions, 0 deletions
diff --git a/drivers/media/video/compat_ioctl32.c b/drivers/media/video/compat_ioctl32.c index cefd1381e8de..54de0cd482e9 100644 --- a/drivers/media/video/compat_ioctl32.c +++ b/drivers/media/video/compat_ioctl32.c @@ -884,6 +884,7 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) case VIDIOC_G_INPUT32: case VIDIOC_S_INPUT32: case VIDIOC_TRY_FMT32: + case VIDIOC_S_HW_FREQ_SEEK: ret = do_video_ioctl(file, cmd, arg); break; diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index 7649860a388d..52c56678ee69 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -278,6 +278,7 @@ static const char *v4l2_ioctls[] = { [_IOC_NR(VIDIOC_DBG_G_REGISTER)] = "VIDIOC_DBG_G_REGISTER", [_IOC_NR(VIDIOC_G_CHIP_IDENT)] = "VIDIOC_G_CHIP_IDENT", + [_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)] = "VIDIOC_S_HW_FREQ_SEEK", #endif }; #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) @@ -1763,6 +1764,17 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, ret = vfd->vidioc_default(file, fh, cmd, arg); break; } + case VIDIOC_S_HW_FREQ_SEEK: + { + struct v4l2_hw_freq_seek *p = arg; + if (!vfd->vidioc_s_hw_freq_seek) + break; + dbgarg(cmd, + "tuner=%d, type=%d, seek_upward=%d, wrap_around=%d\n", + p->tuner, p->type, p->seek_upward, p->wrap_around); + ret = vfd->vidioc_s_hw_freq_seek(file, fh, p); + break; + } } /* switch */ if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 4a535ea1e123..9385c823a978 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -246,6 +246,7 @@ struct v4l2_capability #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ +#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ @@ -1156,6 +1157,14 @@ struct v4l2_frequency __u32 reserved[8]; }; +struct v4l2_hw_freq_seek { + __u32 tuner; + enum v4l2_tuner_type type; + __u32 seek_upward; + __u32 wrap_around; + __u32 reserved[8]; +}; + /* * A U D I O */ @@ -1441,6 +1450,7 @@ struct v4l2_chip_ident { #define VIDIOC_G_CHIP_IDENT _IOWR ('V', 81, struct v4l2_chip_ident) #endif +#define VIDIOC_S_HW_FREQ_SEEK _IOW ('V', 82, struct v4l2_hw_freq_seek) #ifdef __OLD_VIDIOC_ /* for compatibility, will go away some day */ diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 859f7a6f6f67..53b651ac685a 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -306,6 +306,8 @@ struct video_device /* Log status ioctl */ int (*vidioc_log_status) (struct file *file, void *fh); + int (*vidioc_s_hw_freq_seek) (struct file *file, void *fh, + struct v4l2_hw_freq_seek *a); /* Debugging ioctls */ #ifdef CONFIG_VIDEO_ADV_DEBUG |