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[media] v4l2-subdev: Fix compilation when !VIDEO_V4L2_SUBDEV_API 

As reported by Kbuildtest:

   drivers/media/v4l2-core/v4l2-subdev.c: In function 'check_format':
   drivers/media/v4l2-core/v4l2-subdev.c:136:23: error: 'struct v4l2_subdev' has no member named 'entity'
     if (format->pad >= sd->entity.num_pads)
                          ^
   drivers/media/v4l2-core/v4l2-subdev.c: In function 'check_crop':
   drivers/media/v4l2-core/v4l2-subdev.c:148:21: error: 'struct v4l2_subdev' has no member named 'entity'
     if (crop->pad >= sd->entity.num_pads)
                        ^
   drivers/media/v4l2-core/v4l2-subdev.c: In function 'check_selection':
   drivers/media/v4l2-core/v4l2-subdev.c:161:20: error: 'struct v4l2_subdev' has no member named 'entity'
     if (sel->pad >= sd->entity.num_pads)
                       ^
   drivers/media/v4l2-core/v4l2-subdev.c: In function 'check_edid':
   drivers/media/v4l2-core/v4l2-subdev.c:169:21: error: 'struct v4l2_subdev' has no member named 'entity'
     if (edid->pad >= sd->entity.num_pads)
                        ^
   drivers/media/v4l2-core/v4l2-subdev.c: In function 'subdev_do_ioctl':
>> drivers/media/v4l2-core/v4l2-subdev.c:186:6: warning: unused variable 'rval' [-Wunused-variable]
     int rval;
         ^
   drivers/media/v4l2-core/v4l2-subdev.c: At top level:
   drivers/media/v4l2-core/v4l2-subdev.c:129:12: warning: 'check_format' defined but not used [-Wunused-function]
    static int check_format(struct v4l2_subdev *sd,
               ^
   drivers/media/v4l2-core/v4l2-subdev.c:142:12: warning: 'check_crop' defined but not used [-Wunused-function]
    static int check_crop(struct v4l2_subdev *sd, struct v4l2_subdev_crop *crop)
               ^
   drivers/media/v4l2-core/v4l2-subdev.c:154:12: warning: 'check_selection' defined but not used [-Wunused-function]
    static int check_selection(struct v4l2_subdev *sd,
               ^
   drivers/media/v4l2-core/v4l2-subdev.c:167:12: warning: 'check_edid' defined but not used [-Wunused-function]
    static int check_edid(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid)

The above warnins happen because those functions are used only
when the V4L2 subdev API is enabled.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-07-22 01:40:00 -03:00
parent 64a43323e4
commit d352bcc990
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/media/v4l2-core/v4l2-subdev.c
View File

@ -126,6 +126,7 @@ static int subdev_close(struct file *file)
return 0;
}
#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
static int check_format(struct v4l2_subdev *sd,
struct v4l2_subdev_format *format)
{
@ -174,6 +175,7 @@ static int check_edid(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid)
return 0;
}
#endif
static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
@ -182,8 +184,8 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
struct v4l2_fh *vfh = file->private_data;
#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
struct v4l2_subdev_fh *subdev_fh = to_v4l2_subdev_fh(vfh);
#endif
int rval;
#endif
switch (cmd) {
case VIDIOC_QUERYCTRL: