diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ctrls-api.c')
-rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls-api.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-api.c b/drivers/media/v4l2-core/v4l2-ctrls-api.c index 67fbdccda2d8..a8c354ad3d23 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-api.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-api.c @@ -89,10 +89,7 @@ static int req_to_user(struct v4l2_ext_control *c, /* Helper function: copy the initial control value back to the caller */ static int def_to_user(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl) { - int idx; - - for (idx = 0; idx < ctrl->elems; idx++) - ctrl->type_ops->init(ctrl, idx, ctrl->p_new); + ctrl->type_ops->init(ctrl, 0, ctrl->elems, ctrl->p_new); return ptr_to_user(c, ctrl, ctrl->p_new); } @@ -122,7 +119,6 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl) if (ctrl->is_ptr && !ctrl->is_string) { unsigned int elems = c->size / ctrl->elem_size; - unsigned int idx; if (copy_from_user(ctrl->p_new.p, c->ptr, c->size)) return -EFAULT; @@ -130,8 +126,7 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl) if (ctrl->is_dyn_array) ctrl->new_elems = elems; else if (ctrl->is_array) - for (idx = elems; idx < ctrl->elems; idx++) - ctrl->type_ops->init(ctrl, idx, ctrl->p_new); + ctrl->type_ops->init(ctrl, elems, ctrl->elems, ctrl->p_new); return 0; } @@ -499,12 +494,7 @@ EXPORT_SYMBOL(v4l2_g_ext_ctrls); /* Validate a new control */ static int validate_new(const struct v4l2_ctrl *ctrl, union v4l2_ctrl_ptr p_new) { - unsigned int idx; - int err = 0; - - for (idx = 0; !err && idx < ctrl->new_elems; idx++) - err = ctrl->type_ops->validate(ctrl, idx, p_new); - return err; + return ctrl->type_ops->validate(ctrl, ctrl->new_elems, p_new); } /* Validate controls. */ @@ -1017,8 +1007,7 @@ int __v4l2_ctrl_modify_dimensions(struct v4l2_ctrl *ctrl, ctrl->p_cur.p = p_array + elems * ctrl->elem_size; for (i = 0; i < ctrl->nr_of_dims; i++) ctrl->dims[i] = dims[i]; - for (i = 0; i < elems; i++) - ctrl->type_ops->init(ctrl, i, ctrl->p_cur); + ctrl->type_ops->init(ctrl, 0, elems, ctrl->p_cur); cur_to_new(ctrl); send_event(NULL, ctrl, V4L2_EVENT_CTRL_CH_VALUE | V4L2_EVENT_CTRL_CH_DIMENSIONS); |