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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2011-09-09 18:39:20 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-03 21:29:03 +0100 |
| commit | 2f0babb7e43278247df512263581c4738afa4cbc (patch) | |
| tree | b09a18f6f7756c9f793e36c26db17f4cfc9a558e /drivers/media/video/soc_camera.c | |
| parent | [media] V4L: add .g_std() core V4L2 subdevice operation (diff) | |
| download | linux-2f0babb7e43278247df512263581c4738afa4cbc.tar.xz linux-2f0babb7e43278247df512263581c4738afa4cbc.zip | |
[media] V4L: soc-camera: make (almost) all client drivers re-usable outside of the framework
The most important change in this patch is direct linking to struct
soc_camera_link via the client->dev.platform_data pointer. This makes most
of the soc-camera client drivers also usable outside of the soc-camera
framework. After this change all what is needed for these drivers to
function are inclusions of soc-camera headers for some convenience macros,
suitably configured platform data, which is anyway always required, and
loaded soc-camera core module for library functions. If desired, these
library functions can be made generic in the future and moved to a more
neutral location.
The only two client drivers, that still depend on soc-camera are:
mt9t031: it uses struct video_device for its PM. Since no hardware is
available, alternative methods cannot be tested.
ov6650: it uses struct soc_camera_device to pass its sense data back to
the bridge driver. A generic v4l2-subdevice approach should be developed
to perform this.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/soc_camera.c')
| -rw-r--r-- | drivers/media/video/soc_camera.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index 9a62ed08d86a..b72580c38957 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -249,6 +249,14 @@ static int soc_camera_s_std(struct file *file, void *priv, v4l2_std_id *a) return v4l2_subdev_call(sd, core, s_std, *a); } +static int soc_camera_g_std(struct file *file, void *priv, v4l2_std_id *a) +{ + struct soc_camera_device *icd = file->private_data; + struct v4l2_subdev *sd = soc_camera_to_subdev(icd); + + return v4l2_subdev_call(sd, core, g_std, a); +} + static int soc_camera_enum_fsizes(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize) { @@ -977,7 +985,7 @@ static int soc_camera_init_i2c(struct soc_camera_device *icd, goto ei2cga; } - icl->board_info->platform_data = icd; + icl->board_info->platform_data = icl; subdev = v4l2_i2c_new_subdev_board(&ici->v4l2_dev, adap, icl->board_info, NULL); @@ -1376,6 +1384,7 @@ static const struct v4l2_ioctl_ops soc_camera_ioctl_ops = { .vidioc_g_input = soc_camera_g_input, .vidioc_s_input = soc_camera_s_input, .vidioc_s_std = soc_camera_s_std, + .vidioc_g_std = soc_camera_g_std, .vidioc_enum_framesizes = soc_camera_enum_fsizes, .vidioc_reqbufs = soc_camera_reqbufs, .vidioc_querybuf = soc_camera_querybuf, |