30 #define has_op(master, op) \  argument
31 	(master->ops && master->ops->op)
32 #define call_op(master, op) \  argument
33 	(has_op(master, op) ? master->ops->op(master) : 0)
48 static bool is_cur_manual(const struct v4l2_ctrl *master)  in is_cur_manual()  argument
50 	return master->is_auto && master->cur.val == master->manual_mode_value;  in is_cur_manual()
55 static bool is_new_manual(const struct v4l2_ctrl *master)  in is_new_manual()  argument
57 	return master->is_auto && master->val == master->manual_mode_value;  in is_new_manual()
1604 static int cluster_changed(struct v4l2_ctrl *master)  in cluster_changed()  argument
1610 	for (i = 0; i < master->ncontrols; i++) {  in cluster_changed()
1611 		struct v4l2_ctrl *ctrl = master->cluster[i];  in cluster_changed()
2300 	struct v4l2_ctrl *master = controls[0];  in v4l2_ctrl_auto_cluster()  local
2306 	WARN_ON(manual_val < master->minimum || manual_val > master->maximum);  in v4l2_ctrl_auto_cluster()
2307 	WARN_ON(set_volatile && !has_op(master, g_volatile_ctrl));  in v4l2_ctrl_auto_cluster()
2308 	master->is_auto = true;  in v4l2_ctrl_auto_cluster()
2309 	master->has_volatiles = set_volatile;  in v4l2_ctrl_auto_cluster()
2310 	master->manual_mode_value = manual_val;  in v4l2_ctrl_auto_cluster()
2311 	master->flags |= V4L2_CTRL_FLAG_UPDATE;  in v4l2_ctrl_auto_cluster()
2313 	if (!is_cur_manual(master))  in v4l2_ctrl_auto_cluster()
2439 		struct v4l2_ctrl *master = ctrl->cluster[0];  in v4l2_ctrl_handler_setup()  local
2448 		for (i = 0; i < master->ncontrols; i++) {  in v4l2_ctrl_handler_setup()
2449 			if (master->cluster[i]) {  in v4l2_ctrl_handler_setup()
2450 				cur_to_new(master->cluster[i]);  in v4l2_ctrl_handler_setup()
2451 				master->cluster[i]->is_new = 1;  in v4l2_ctrl_handler_setup()
2452 				master->cluster[i]->done = true;  in v4l2_ctrl_handler_setup()
2455 		ret = call_op(master, s_ctrl);  in v4l2_ctrl_handler_setup()
2833 		struct v4l2_ctrl *master;  in v4l2_g_ext_ctrls()  local
2838 		master = helpers[i].mref->ctrl;  in v4l2_g_ext_ctrls()
2841 		v4l2_ctrl_lock(master);  in v4l2_g_ext_ctrls()
2844 		if ((master->flags & V4L2_CTRL_FLAG_VOLATILE) ||  in v4l2_g_ext_ctrls()
2845 			(master->has_volatiles && !is_cur_manual(master))) {  in v4l2_g_ext_ctrls()
2846 			for (j = 0; j < master->ncontrols; j++)  in v4l2_g_ext_ctrls()
2847 				cur_to_new(master->cluster[j]);  in v4l2_g_ext_ctrls()
2848 			ret = call_op(master, g_volatile_ctrl);  in v4l2_g_ext_ctrls()
2863 		v4l2_ctrl_unlock(master);  in v4l2_g_ext_ctrls()
2881 	struct v4l2_ctrl *master = ctrl->cluster[0];  in get_ctrl()  local
2895 	v4l2_ctrl_lock(master);  in get_ctrl()
2898 		for (i = 0; i < master->ncontrols; i++)  in get_ctrl()
2899 			cur_to_new(master->cluster[i]);  in get_ctrl()
2900 		ret = call_op(master, g_volatile_ctrl);  in get_ctrl()
2905 	v4l2_ctrl_unlock(master);  in get_ctrl()
2957 static int try_or_set_cluster(struct v4l2_fh *fh, struct v4l2_ctrl *master,  in try_or_set_cluster()  argument
2968 	for (i = 0; i < master->ncontrols; i++) {  in try_or_set_cluster()
2969 		struct v4l2_ctrl *ctrl = master->cluster[i];  in try_or_set_cluster()
2984 	ret = call_op(master, try_ctrl);  in try_or_set_cluster()
2987 	if (ret || !set || !cluster_changed(master))  in try_or_set_cluster()
2989 	ret = call_op(master, s_ctrl);  in try_or_set_cluster()
2994 	update_flag = is_cur_manual(master) != is_new_manual(master);  in try_or_set_cluster()
2995 	for (i = 0; i < master->ncontrols; i++)  in try_or_set_cluster()
2996 		new_to_cur(fh, master->cluster[i], ch_flags |  in try_or_set_cluster()
3044 static void update_from_auto_cluster(struct v4l2_ctrl *master)  in update_from_auto_cluster()  argument
3048 	for (i = 1; i < master->ncontrols; i++)  in update_from_auto_cluster()
3049 		cur_to_new(master->cluster[i]);  in update_from_auto_cluster()
3050 	if (!call_op(master, g_volatile_ctrl))  in update_from_auto_cluster()
3051 		for (i = 1; i < master->ncontrols; i++)  in update_from_auto_cluster()
3052 			if (master->cluster[i])  in update_from_auto_cluster()
3053 				master->cluster[i]->is_new = 1;  in update_from_auto_cluster()
3087 		struct v4l2_ctrl *master;  in try_set_ext_ctrls()  local
3094 		master = helpers[i].mref->ctrl;  in try_set_ext_ctrls()
3095 		v4l2_ctrl_lock(master);  in try_set_ext_ctrls()
3098 		for (j = 0; j < master->ncontrols; j++)  in try_set_ext_ctrls()
3099 			if (master->cluster[j])  in try_set_ext_ctrls()
3100 				master->cluster[j]->is_new = 0;  in try_set_ext_ctrls()
3108 		if (master->is_auto && master->has_volatiles &&  in try_set_ext_ctrls()
3109 						!is_cur_manual(master)) {  in try_set_ext_ctrls()
3111 			s32 new_auto_val = master->manual_mode_value + 1;  in try_set_ext_ctrls()
3117 				if (helpers[tmp_idx].ctrl == master)  in try_set_ext_ctrls()
3123 			if (new_auto_val == master->manual_mode_value)  in try_set_ext_ctrls()
3124 				update_from_auto_cluster(master);  in try_set_ext_ctrls()
3139 			ret = try_or_set_cluster(fh, master, set, 0);  in try_set_ext_ctrls()
3150 		v4l2_ctrl_unlock(master);  in try_set_ext_ctrls()
3186 	struct v4l2_ctrl *master = ctrl->cluster[0];  in set_ctrl()  local
3191 	for (i = 0; i < master->ncontrols; i++)  in set_ctrl()
3192 		if (master->cluster[i])  in set_ctrl()
3193 			master->cluster[i]->is_new = 0;  in set_ctrl()
3202 	if (master->is_auto && master->has_volatiles && ctrl == master &&  in set_ctrl()
3203 	    !is_cur_manual(master) && ctrl->val == master->manual_mode_value)  in set_ctrl()
3204 		update_from_auto_cluster(master);  in set_ctrl()
3207 	return try_or_set_cluster(fh, master, true, ch_flags);  in set_ctrl()