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| author |   Ezequiel Garcia <ezequiel@collabora.com> | 2019-07-20 07:47:07 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-07-25 06:26:49 -0400 |
| commit | 173f6eacc8a89ae4b08b166735930e6c46951a81 (patch) | |
| tree | 97313fe4f31b98cc50dd506c8ca96d8f5b5c08cc /drivers/media/v4l2-core/v4l2-ioctl.c | |
| parent | media: hdpvr: Add device num check and handling (diff) | |
| download | linux-dev-173f6eacc8a89ae4b08b166735930e6c46951a81.tar.xz linux-dev-173f6eacc8a89ae4b08b166735930e6c46951a81.zip | |
media: v4l: ctrls: Add debug messages
Currently, the v4l2 control code is a bit silent on errors.
Add debug messages on (hopefully) most of the error paths.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ioctl.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index e36629ae2203..38765af9ad2d 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -2186,9 +2186,11 @@ static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops, p->error_idx = p->count; if (vfh && vfh->ctrl_handler) - return v4l2_g_ext_ctrls(vfh->ctrl_handler, vfd->v4l2_dev->mdev, p); + return v4l2_g_ext_ctrls(vfh->ctrl_handler, + vfd, vfd->v4l2_dev->mdev, p); if (vfd->ctrl_handler) - return v4l2_g_ext_ctrls(vfd->ctrl_handler, vfd->v4l2_dev->mdev, p); + return v4l2_g_ext_ctrls(vfd->ctrl_handler, + vfd, vfd->v4l2_dev->mdev, p); if (ops->vidioc_g_ext_ctrls == NULL) return -ENOTTY; return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) : @@ -2205,9 +2207,11 @@ static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops, p->error_idx = p->count; if (vfh && vfh->ctrl_handler) - return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, vfd->v4l2_dev->mdev, p); + return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, + vfd, vfd->v4l2_dev->mdev, p); if (vfd->ctrl_handler) - return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, vfd->v4l2_dev->mdev, p); + return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, + vfd, vfd->v4l2_dev->mdev, p); if (ops->vidioc_s_ext_ctrls == NULL) return -ENOTTY; return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) : @@ -2224,9 +2228,11 @@ static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops, p->error_idx = p->count; if (vfh && vfh->ctrl_handler) - return v4l2_try_ext_ctrls(vfh->ctrl_handler, vfd->v4l2_dev->mdev, p); + return v4l2_try_ext_ctrls(vfh->ctrl_handler, + vfd, vfd->v4l2_dev->mdev, p); if (vfd->ctrl_handler) - return v4l2_try_ext_ctrls(vfd->ctrl_handler, vfd->v4l2_dev->mdev, p); + return v4l2_try_ext_ctrls(vfd->ctrl_handler, + vfd, vfd->v4l2_dev->mdev, p); if (ops->vidioc_try_ext_ctrls == NULL) return -ENOTTY; return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) : |