diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 21:12:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 21:12:49 -0700 |
| commit | df462b3dbeeaae7141f1b63cbfcc1e1bae6a85fc (patch) | |
| tree | bca52fce066159f136d75c69e79016422212cb1d /drivers/media/video/v4l2-dev.c | |
| parent | 343800e7d20944aead238c2c6e3f7789f8b6587c (diff) | |
| parent | cf25220677b3f10468a74278130fe224f73632a6 (diff) | |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (247 commits)
[media] gspca - sunplus: Fix some warnings and simplify code
[media] gspca: Fix some warnings tied to 'no debug'
[media] gspca: Unset debug by default
[media] gspca - cpia1: Remove a bad conditional compilation instruction
[media] gspca - main: Remove USB traces
[media] gspca - main: Version change to 2.13
[media] gspca - stk014 / t613: Accept the index 0 in querymenu
[media] gspca - kinect: Remove __devinitdata
[media] gspca - cpia1: Fix some warnings
[media] video/Kconfig: Fix mis-classified devices
[media] support for medion dvb stick 1660:1921
[media] tm6000: fix uninitialized field, change prink to dprintk
[media] cx231xx: Add support for Iconbit U100
[media] saa7134 add new TV cards
[media] Use a more consistent value for RC repeat period
[media] cx18: Move spinlock and vb_type initialisation into stream_init
[media] tm6000: remove tm6010 sif audio start and stop
[media] tm6000: remove unused exports
[media] tm6000: add pts logging
[media] tm6000: change from ioctl to unlocked_ioctl
...
Diffstat (limited to 'drivers/media/video/v4l2-dev.c')
| -rw-r--r-- | drivers/media/video/v4l2-dev.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 6dc7196296b..19d5ae29378 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -352,6 +352,23 @@ static long v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return ret; } +#ifdef CONFIG_MMU +#define v4l2_get_unmapped_area NULL +#else +static unsigned long v4l2_get_unmapped_area(struct file *filp, + unsigned long addr, unsigned long len, unsigned long pgoff, + unsigned long flags) +{ + struct video_device *vdev = video_devdata(filp); + + if (!vdev->fops->get_unmapped_area) + return -ENOSYS; + if (!video_is_registered(vdev)) + return -ENODEV; + return vdev->fops->get_unmapped_area(filp, addr, len, pgoff, flags); +} +#endif + static int v4l2_mmap(struct file *filp, struct vm_area_struct *vm) { struct video_device *vdev = video_devdata(filp); @@ -454,6 +471,7 @@ static const struct file_operations v4l2_fops = { .read = v4l2_read, .write = v4l2_write, .open = v4l2_open, + .get_unmapped_area = v4l2_get_unmapped_area, .mmap = v4l2_mmap, .unlocked_ioctl = v4l2_ioctl, #ifdef CONFIG_COMPAT |