diff options
Diffstat (limited to 'include/media/v4l2-ctrls.h')
| -rw-r--r-- | include/media/v4l2-ctrls.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index 776605f1cbe2..7ef6b27d450f 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -511,6 +511,29 @@ s32 v4l2_ctrl_g_ctrl(struct v4l2_ctrl *ctrl); */ int v4l2_ctrl_s_ctrl(struct v4l2_ctrl *ctrl, s32 val); +/** v4l2_ctrl_g_ctrl_int64() - Helper function to get a 64-bit control's value from within a driver. + * @ctrl: The control. + * + * This returns the control's value safely by going through the control + * framework. This function will lock the control's handler, so it cannot be + * used from within the &v4l2_ctrl_ops functions. + * + * This function is for 64-bit integer type controls only. + */ +s64 v4l2_ctrl_g_ctrl_int64(struct v4l2_ctrl *ctrl); + +/** v4l2_ctrl_s_ctrl_int64() - Helper function to set a 64-bit control's value from within a driver. + * @ctrl: The control. + * @val: The new value. + * + * This set the control's new value safely by going through the control + * framework. This function will lock the control's handler, so it cannot be + * used from within the &v4l2_ctrl_ops functions. + * + * This function is for 64-bit integer type controls only. + */ +int v4l2_ctrl_s_ctrl_int64(struct v4l2_ctrl *ctrl, s64 val); + /* Internal helper functions that deal with control events. */ extern const struct v4l2_subscribed_event_ops v4l2_ctrl_sub_ev_ops; void v4l2_ctrl_replace(struct v4l2_event *old, const struct v4l2_event *new); |