diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvcvideo.h')
| -rw-r--r-- | drivers/media/usb/uvc/uvcvideo.h | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 1aa2cc98502d..95af1591f105 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -368,6 +368,7 @@ struct uvc_entity { u8 *bmControls; struct gpio_desc *gpio_privacy; int irq; + bool initialized; } gpio; }; @@ -471,7 +472,11 @@ struct uvc_video_chain { struct uvc_entity *processing; /* Processing unit */ struct uvc_entity *selector; /* Selector unit */ - struct mutex ctrl_mutex; /* Protects ctrl.info */ + struct mutex ctrl_mutex; /* + * Protects ctrl.info, + * ctrl.handle and + * uvc_fh.pending_async_ctrls + */ struct v4l2_prio_state prio; /* V4L2 priority state */ u32 caps; /* V4L2 chain-wide caps */ @@ -723,6 +728,7 @@ struct uvc_fh { struct uvc_video_chain *chain; struct uvc_streaming *stream; enum uvc_handle_state state; + unsigned int pending_async_ctrls; }; struct uvc_driver { @@ -886,17 +892,15 @@ void uvc_ctrl_status_event(struct uvc_video_chain *chain, int uvc_ctrl_begin(struct uvc_video_chain *chain); int __uvc_ctrl_commit(struct uvc_fh *handle, int rollback, - const struct v4l2_ext_control *xctrls, - unsigned int xctrls_count); + struct v4l2_ext_controls *ctrls); static inline int uvc_ctrl_commit(struct uvc_fh *handle, - const struct v4l2_ext_control *xctrls, - unsigned int xctrls_count) + struct v4l2_ext_controls *ctrls) { - return __uvc_ctrl_commit(handle, 0, xctrls, xctrls_count); + return __uvc_ctrl_commit(handle, 0, ctrls); } static inline int uvc_ctrl_rollback(struct uvc_fh *handle) { - return __uvc_ctrl_commit(handle, 1, NULL, 0); + return __uvc_ctrl_commit(handle, 1, NULL); } int uvc_ctrl_get(struct uvc_video_chain *chain, struct v4l2_ext_control *xctrl); @@ -908,6 +912,8 @@ int uvc_ctrl_is_accessible(struct uvc_video_chain *chain, u32 v4l2_id, int uvc_xu_ctrl_query(struct uvc_video_chain *chain, struct uvc_xu_control_query *xqry); +void uvc_ctrl_cleanup_fh(struct uvc_fh *handle); + /* Utility functions */ void uvc_simplify_fraction(u32 *numerator, u32 *denominator, unsigned int n_terms, unsigned int threshold); |