515 	mutex_lock(&mdev->mutex);  in mxr_enum_dv_timings()
517 	mutex_unlock(&mdev->mutex);  in mxr_enum_dv_timings()
530 	mutex_lock(&mdev->mutex);  in mxr_s_dv_timings()
536 		mutex_unlock(&mdev->mutex);  in mxr_s_dv_timings()
542 	mutex_unlock(&mdev->mutex);  in mxr_s_dv_timings()
558 	mutex_lock(&mdev->mutex);  in mxr_g_dv_timings()
560 	mutex_unlock(&mdev->mutex);  in mxr_g_dv_timings()
575 	mutex_lock(&mdev->mutex);  in mxr_dv_timings_cap()
577 	mutex_unlock(&mdev->mutex);  in mxr_dv_timings_cap()
589 	mutex_lock(&mdev->mutex);  in mxr_s_std()
595 		mutex_unlock(&mdev->mutex);  in mxr_s_std()
601 	mutex_unlock(&mdev->mutex);  in mxr_s_std()
615 	mutex_lock(&mdev->mutex);  in mxr_g_std()
617 	mutex_unlock(&mdev->mutex);  in mxr_g_std()
657 	mutex_lock(&mdev->mutex);  in mxr_s_output()
659 		mutex_unlock(&mdev->mutex);  in mxr_s_output()
666 	mutex_unlock(&mdev->mutex);  in mxr_s_output()
681 	mutex_lock(&mdev->mutex);  in mxr_g_output()
683 	mutex_unlock(&mdev->mutex);  in mxr_g_output()
785 	if (mutex_lock_interruptible(&layer->mutex))  in mxr_video_open()
816 	mutex_unlock(&layer->mutex);  in mxr_video_open()
827 	mutex_unlock(&layer->mutex);  in mxr_video_open()
840 	mutex_lock(&layer->mutex);  in mxr_video_poll()
842 	mutex_unlock(&layer->mutex);  in mxr_video_poll()
853 	if (mutex_lock_interruptible(&layer->mutex))  in mxr_video_mmap()
856 	mutex_unlock(&layer->mutex);  in mxr_video_mmap()
865 	mutex_lock(&layer->mutex);  in mxr_video_release()
871 	mutex_unlock(&layer->mutex);  in mxr_video_release()
1089 	mutex_init(&layer->mutex);  in mxr_base_layer_create()
1101 	layer->vfd.lock = &layer->mutex;  in mxr_base_layer_create()
1112 		.lock = &layer->mutex,  in mxr_base_layer_create()