2710 			     struct v4l2_ext_controls *cs,  in prepare_ext_ctrls()  argument
2718 	for (i = 0, h = helpers; i < cs->count; i++, h++) {  in prepare_ext_ctrls()
2719 		struct v4l2_ext_control *c = &cs->controls[i];  in prepare_ext_ctrls()
2724 		cs->error_idx = i;  in prepare_ext_ctrls()
2726 		if (cs->ctrl_class && V4L2_CTRL_ID2CLASS(id) != cs->ctrl_class)  in prepare_ext_ctrls()
2777 	for (i = 0; i < cs->count; i++)  in prepare_ext_ctrls()
2779 	for (i = 0, h = helpers; i < cs->count; i++, h++) {  in prepare_ext_ctrls()
2813 int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *cs)  in v4l2_g_ext_ctrls()  argument
2820 	cs->error_idx = cs->count;  in v4l2_g_ext_ctrls()
2821 	cs->ctrl_class = V4L2_CTRL_ID2CLASS(cs->ctrl_class);  in v4l2_g_ext_ctrls()
2826 	if (cs->count == 0)  in v4l2_g_ext_ctrls()
2827 		return class_check(hdl, cs->ctrl_class);  in v4l2_g_ext_ctrls()
2829 	if (cs->count > ARRAY_SIZE(helper)) {  in v4l2_g_ext_ctrls()
2830 		helpers = kmalloc_array(cs->count, sizeof(helper[0]),  in v4l2_g_ext_ctrls()
2836 	ret = prepare_ext_ctrls(hdl, cs, helpers, true);  in v4l2_g_ext_ctrls()
2837 	cs->error_idx = cs->count;  in v4l2_g_ext_ctrls()
2839 	for (i = 0; !ret && i < cs->count; i++)  in v4l2_g_ext_ctrls()
2843 	for (i = 0; !ret && i < cs->count; i++) {  in v4l2_g_ext_ctrls()
2852 		cs->error_idx = i;  in v4l2_g_ext_ctrls()
2871 				ret = ctrl_to_user(cs->controls + idx,  in v4l2_g_ext_ctrls()
2879 	if (cs->count > ARRAY_SIZE(helper))  in v4l2_g_ext_ctrls()
2885 int v4l2_subdev_g_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *cs)  in v4l2_subdev_g_ext_ctrls()  argument
2887 	return v4l2_g_ext_ctrls(sd->ctrl_handler, cs);  in v4l2_subdev_g_ext_ctrls()
3015 static int validate_ctrls(struct v4l2_ext_controls *cs,  in validate_ctrls()  argument
3021 	cs->error_idx = cs->count;  in validate_ctrls()
3022 	for (i = 0; i < cs->count; i++) {  in validate_ctrls()
3026 		cs->error_idx = i;  in validate_ctrls()
3045 			p_new.p_s64 = &cs->controls[i].value64;  in validate_ctrls()
3047 			p_new.p_s32 = &cs->controls[i].value;  in validate_ctrls()
3071 			     struct v4l2_ext_controls *cs,  in try_set_ext_ctrls()  argument
3079 	cs->error_idx = cs->count;  in try_set_ext_ctrls()
3080 	cs->ctrl_class = V4L2_CTRL_ID2CLASS(cs->ctrl_class);  in try_set_ext_ctrls()
3085 	if (cs->count == 0)  in try_set_ext_ctrls()
3086 		return class_check(hdl, cs->ctrl_class);  in try_set_ext_ctrls()
3088 	if (cs->count > ARRAY_SIZE(helper)) {  in try_set_ext_ctrls()
3089 		helpers = kmalloc_array(cs->count, sizeof(helper[0]),  in try_set_ext_ctrls()
3094 	ret = prepare_ext_ctrls(hdl, cs, helpers, false);  in try_set_ext_ctrls()
3096 		ret = validate_ctrls(cs, helpers, set);  in try_set_ext_ctrls()
3098 		cs->error_idx = cs->count;  in try_set_ext_ctrls()
3099 	for (i = 0; !ret && i < cs->count; i++) {  in try_set_ext_ctrls()
3106 		cs->error_idx = i;  in try_set_ext_ctrls()
3131 					new_auto_val = cs->controls[tmp_idx].value;  in try_set_ext_ctrls()
3145 			ret = user_to_new(cs->controls + idx, ctrl);  in try_set_ext_ctrls()
3158 				ret = new_to_user(cs->controls + idx,  in try_set_ext_ctrls()
3166 	if (cs->count > ARRAY_SIZE(helper))  in try_set_ext_ctrls()
3171 int v4l2_try_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *cs)  in v4l2_try_ext_ctrls()  argument
3173 	return try_set_ext_ctrls(NULL, hdl, cs, false);  in v4l2_try_ext_ctrls()
3178 					struct v4l2_ext_controls *cs)  in v4l2_s_ext_ctrls()  argument
3180 	return try_set_ext_ctrls(fh, hdl, cs, true);  in v4l2_s_ext_ctrls()
3184 int v4l2_subdev_try_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *cs)  in v4l2_subdev_try_ext_ctrls()  argument
3186 	return try_set_ext_ctrls(NULL, sd->ctrl_handler, cs, false);  in v4l2_subdev_try_ext_ctrls()
3190 int v4l2_subdev_s_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *cs)  in v4l2_subdev_s_ext_ctrls()  argument
3192 	return try_set_ext_ctrls(NULL, sd->ctrl_handler, cs, true);  in v4l2_subdev_s_ext_ctrls()