Lines Matching full:ctrl
19 static void fill_event(struct v4l2_event *ev, struct v4l2_ctrl *ctrl, in fill_event() argument
24 ev->id = ctrl->id; in fill_event()
25 ev->u.ctrl.changes = changes; in fill_event()
26 ev->u.ctrl.type = ctrl->type; in fill_event()
27 ev->u.ctrl.flags = user_flags(ctrl); in fill_event()
28 if (ctrl->is_ptr) in fill_event()
29 ev->u.ctrl.value64 = 0; in fill_event()
31 ev->u.ctrl.value64 = *ctrl->p_cur.p_s64; in fill_event()
32 ev->u.ctrl.minimum = ctrl->minimum; in fill_event()
33 ev->u.ctrl.maximum = ctrl->maximum; in fill_event()
34 if (ctrl->type == V4L2_CTRL_TYPE_MENU in fill_event()
35 || ctrl->type == V4L2_CTRL_TYPE_INTEGER_MENU) in fill_event()
36 ev->u.ctrl.step = 1; in fill_event()
38 ev->u.ctrl.step = ctrl->step; in fill_event()
39 ev->u.ctrl.default_value = ctrl->default_value; in fill_event()
42 void send_initial_event(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl) in send_initial_event() argument
47 if (!(ctrl->flags & V4L2_CTRL_FLAG_WRITE_ONLY)) in send_initial_event()
49 fill_event(&ev, ctrl, changes); in send_initial_event()
53 void send_event(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl, u32 changes) in send_event() argument
58 if (list_empty(&ctrl->ev_subs)) in send_event()
60 fill_event(&ev, ctrl, changes); in send_event()
62 list_for_each_entry(sev, &ctrl->ev_subs, node) in send_event()
68 bool v4l2_ctrl_type_op_equal(const struct v4l2_ctrl *ctrl, in v4l2_ctrl_type_op_equal() argument
73 switch (ctrl->type) { in v4l2_ctrl_type_op_equal()
77 for (i = 0; i < ctrl->elems; i++) { in v4l2_ctrl_type_op_equal()
78 unsigned int idx = i * ctrl->elem_size; in v4l2_ctrl_type_op_equal()
87 ctrl->elems * ctrl->elem_size); in v4l2_ctrl_type_op_equal()
104 static void std_init_compound(const struct v4l2_ctrl *ctrl, u32 idx, in std_init_compound() argument
114 void *p = ptr.p + idx * ctrl->elem_size; in std_init_compound()
116 if (ctrl->p_def.p_const) in std_init_compound()
117 memcpy(p, ctrl->p_def.p_const, ctrl->elem_size); in std_init_compound()
119 memset(p, 0, ctrl->elem_size); in std_init_compound()
121 switch ((u32)ctrl->type) { in std_init_compound()
180 void v4l2_ctrl_type_op_init(const struct v4l2_ctrl *ctrl, u32 from_idx, in v4l2_ctrl_type_op_init() argument
184 u32 tot_elems = ctrl->elems; in v4l2_ctrl_type_op_init()
190 switch (ctrl->type) { in v4l2_ctrl_type_op_init()
193 unsigned int offset = i * ctrl->elem_size; in v4l2_ctrl_type_op_init()
195 memset(ptr.p_char + offset, ' ', ctrl->minimum); in v4l2_ctrl_type_op_init()
196 ptr.p_char[offset + ctrl->minimum] = '\0'; in v4l2_ctrl_type_op_init()
200 if (ctrl->default_value) { in v4l2_ctrl_type_op_init()
202 ptr.p_s64[i] = ctrl->default_value; in v4l2_ctrl_type_op_init()
212 if (ctrl->default_value) { in v4l2_ctrl_type_op_init()
214 ptr.p_s32[i] = ctrl->default_value; in v4l2_ctrl_type_op_init()
224 memset(ptr.p_u8 + from_idx, ctrl->default_value, elems); in v4l2_ctrl_type_op_init()
227 if (ctrl->default_value) { in v4l2_ctrl_type_op_init()
229 ptr.p_u16[i] = ctrl->default_value; in v4l2_ctrl_type_op_init()
235 if (ctrl->default_value) { in v4l2_ctrl_type_op_init()
237 ptr.p_u32[i] = ctrl->default_value; in v4l2_ctrl_type_op_init()
244 std_init_compound(ctrl, i, ptr); in v4l2_ctrl_type_op_init()
250 void v4l2_ctrl_type_op_log(const struct v4l2_ctrl *ctrl) in v4l2_ctrl_type_op_log() argument
252 union v4l2_ctrl_ptr ptr = ctrl->p_cur; in v4l2_ctrl_type_op_log()
254 if (ctrl->is_array) { in v4l2_ctrl_type_op_log()
257 for (i = 0; i < ctrl->nr_of_dims; i++) in v4l2_ctrl_type_op_log()
258 pr_cont("[%u]", ctrl->dims[i]); in v4l2_ctrl_type_op_log()
262 switch (ctrl->type) { in v4l2_ctrl_type_op_log()
270 pr_cont("%s", ctrl->qmenu[*ptr.p_s32]); in v4l2_ctrl_type_op_log()
273 pr_cont("%lld", ctrl->qmenu_int[*ptr.p_s32]); in v4l2_ctrl_type_op_log()
354 pr_cont("unknown type %d", ctrl->type); in v4l2_ctrl_type_op_log()
365 #define ROUND_TO_RANGE(val, offset_type, ctrl) \ argument
368 if ((ctrl)->maximum >= 0 && \
369 val >= (ctrl)->maximum - (s32)((ctrl)->step / 2)) \
370 val = (ctrl)->maximum; \
372 val += (s32)((ctrl)->step / 2); \
374 (ctrl)->minimum, (ctrl)->maximum); \
375 offset = (val) - (ctrl)->minimum; \
376 offset = (ctrl)->step * (offset / (u32)(ctrl)->step); \
377 val = (ctrl)->minimum + offset; \
555 static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, in std_validate_compound() argument
572 void *p = ptr.p + idx * ctrl->elem_size; in std_validate_compound()
575 switch ((u32)ctrl->type) { in std_validate_compound()
928 static int std_validate_elem(const struct v4l2_ctrl *ctrl, u32 idx, in std_validate_elem() argument
935 switch ((u32)ctrl->type) { in std_validate_elem()
937 return ROUND_TO_RANGE(ptr.p_s32[idx], u32, ctrl); in std_validate_elem()
944 if (ctrl->maximum >= 0 && val >= ctrl->maximum - (s64)(ctrl->step / 2)) in std_validate_elem()
945 val = ctrl->maximum; in std_validate_elem()
947 val += (s64)(ctrl->step / 2); in std_validate_elem()
948 val = clamp_t(s64, val, ctrl->minimum, ctrl->maximum); in std_validate_elem()
949 offset = val - ctrl->minimum; in std_validate_elem()
950 do_div(offset, ctrl->step); in std_validate_elem()
951 ptr.p_s64[idx] = ctrl->minimum + offset * ctrl->step; in std_validate_elem()
954 return ROUND_TO_RANGE(ptr.p_u8[idx], u8, ctrl); in std_validate_elem()
956 return ROUND_TO_RANGE(ptr.p_u16[idx], u16, ctrl); in std_validate_elem()
958 return ROUND_TO_RANGE(ptr.p_u32[idx], u32, ctrl); in std_validate_elem()
966 if (ptr.p_s32[idx] < ctrl->minimum || ptr.p_s32[idx] > ctrl->maximum) in std_validate_elem()
969 (ctrl->menu_skip_mask & BIT_ULL(ptr.p_s32[idx]))) in std_validate_elem()
971 if (ctrl->type == V4L2_CTRL_TYPE_MENU && in std_validate_elem()
972 ctrl->qmenu[ptr.p_s32[idx]][0] == '\0') in std_validate_elem()
977 ptr.p_s32[idx] &= ctrl->maximum; in std_validate_elem()
986 idx *= ctrl->elem_size; in std_validate_elem()
988 if (len < ctrl->minimum) in std_validate_elem()
990 if ((len - (u32)ctrl->minimum) % (u32)ctrl->step) in std_validate_elem()
995 return std_validate_compound(ctrl, idx, ptr); in std_validate_elem()
999 int v4l2_ctrl_type_op_validate(const struct v4l2_ctrl *ctrl, in v4l2_ctrl_type_op_validate() argument
1005 switch ((u32)ctrl->type) { in v4l2_ctrl_type_op_validate()
1007 if (ctrl->maximum == 0xff && ctrl->minimum == 0 && ctrl->step == 1) in v4l2_ctrl_type_op_validate()
1011 if (ctrl->maximum == 0xffff && ctrl->minimum == 0 && ctrl->step == 1) in v4l2_ctrl_type_op_validate()
1015 if (ctrl->maximum == 0xffffffff && ctrl->minimum == 0 && ctrl->step == 1) in v4l2_ctrl_type_op_validate()
1021 memset(ptr.p_s32, 0, ctrl->new_elems * sizeof(s32)); in v4l2_ctrl_type_op_validate()
1025 for (i = 0; !ret && i < ctrl->new_elems; i++) in v4l2_ctrl_type_op_validate()
1026 ret = std_validate_elem(ctrl, i, ptr); in v4l2_ctrl_type_op_validate()
1038 void v4l2_ctrl_notify(struct v4l2_ctrl *ctrl, v4l2_ctrl_notify_fnc notify, void *priv) in v4l2_ctrl_notify() argument
1040 if (!ctrl) in v4l2_ctrl_notify()
1043 ctrl->call_notify = 0; in v4l2_ctrl_notify()
1046 if (WARN_ON(ctrl->handler->notify && ctrl->handler->notify != notify)) in v4l2_ctrl_notify()
1048 ctrl->handler->notify = notify; in v4l2_ctrl_notify()
1049 ctrl->handler->notify_priv = priv; in v4l2_ctrl_notify()
1050 ctrl->call_notify = 1; in v4l2_ctrl_notify()
1055 static void ptr_to_ptr(struct v4l2_ctrl *ctrl, in ptr_to_ptr() argument
1059 if (ctrl == NULL) in ptr_to_ptr()
1061 memcpy(to.p, from.p_const, elems * ctrl->elem_size); in ptr_to_ptr()
1065 void new_to_cur(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl, u32 ch_flags) in new_to_cur() argument
1069 if (ctrl == NULL) in new_to_cur()
1073 changed = ctrl->has_changed; in new_to_cur()
1075 if (ctrl->is_dyn_array) in new_to_cur()
1076 ctrl->elems = ctrl->new_elems; in new_to_cur()
1077 ptr_to_ptr(ctrl, ctrl->p_new, ctrl->p_cur, ctrl->elems); in new_to_cur()
1082 ctrl->flags &= in new_to_cur()
1084 if (!is_cur_manual(ctrl->cluster[0])) { in new_to_cur()
1085 ctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; in new_to_cur()
1086 if (ctrl->cluster[0]->has_volatiles) in new_to_cur()
1087 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; in new_to_cur()
1094 if (!ctrl->is_new) in new_to_cur()
1096 send_event(fh, ctrl, in new_to_cur()
1098 if (ctrl->call_notify && changed && ctrl->handler->notify) in new_to_cur()
1099 ctrl->handler->notify(ctrl, ctrl->handler->notify_priv); in new_to_cur()
1104 void cur_to_new(struct v4l2_ctrl *ctrl) in cur_to_new() argument
1106 if (ctrl == NULL) in cur_to_new()
1108 if (ctrl->is_dyn_array) in cur_to_new()
1109 ctrl->new_elems = ctrl->elems; in cur_to_new()
1110 ptr_to_ptr(ctrl, ctrl->p_cur, ctrl->p_new, ctrl->new_elems); in cur_to_new()
1119 if (ref->ctrl->is_dyn_array && in req_alloc_array()
1123 tmp = kvmalloc(elems * ref->ctrl->elem_size, GFP_KERNEL); in req_alloc_array()
1139 struct v4l2_ctrl *ctrl; in new_to_req() local
1144 ctrl = ref->ctrl; in new_to_req()
1145 if (ctrl->is_array && !req_alloc_array(ref, ctrl->new_elems)) in new_to_req()
1148 ref->p_req_elems = ctrl->new_elems; in new_to_req()
1149 ptr_to_ptr(ctrl, ctrl->p_new, ref->p_req, ref->p_req_elems); in new_to_req()
1156 struct v4l2_ctrl *ctrl; in cur_to_req() local
1161 ctrl = ref->ctrl; in cur_to_req()
1162 if (ctrl->is_array && !req_alloc_array(ref, ctrl->elems)) in cur_to_req()
1165 ref->p_req_elems = ctrl->elems; in cur_to_req()
1166 ptr_to_ptr(ctrl, ctrl->p_cur, ref->p_req, ctrl->elems); in cur_to_req()
1173 struct v4l2_ctrl *ctrl; in req_to_new() local
1178 ctrl = ref->ctrl; in req_to_new()
1185 if (ctrl->is_dyn_array) in req_to_new()
1186 ctrl->new_elems = ctrl->elems; in req_to_new()
1187 ptr_to_ptr(ctrl, ctrl->p_cur, ctrl->p_new, ctrl->new_elems); in req_to_new()
1192 if (!ctrl->is_array) { in req_to_new()
1193 ptr_to_ptr(ctrl, ref->p_req, ctrl->p_new, ctrl->new_elems); in req_to_new()
1201 if (!ctrl->is_dyn_array && in req_to_new()
1202 ref->p_req_elems != ctrl->p_array_alloc_elems) in req_to_new()
1207 * elements in ctrl->p_array. If so, attempt to realloc ctrl->p_array. in req_to_new()
1212 if (ref->p_req_elems > ctrl->p_array_alloc_elems) { in req_to_new()
1213 unsigned int sz = ref->p_req_elems * ctrl->elem_size; in req_to_new()
1214 void *old = ctrl->p_array; in req_to_new()
1219 memcpy(tmp, ctrl->p_new.p, ctrl->elems * ctrl->elem_size); in req_to_new()
1220 memcpy(tmp + sz, ctrl->p_cur.p, ctrl->elems * ctrl->elem_size); in req_to_new()
1221 ctrl->p_new.p = tmp; in req_to_new()
1222 ctrl->p_cur.p = tmp + sz; in req_to_new()
1223 ctrl->p_array = tmp; in req_to_new()
1224 ctrl->p_array_alloc_elems = ref->p_req_elems; in req_to_new()
1228 ctrl->new_elems = ref->p_req_elems; in req_to_new()
1229 ptr_to_ptr(ctrl, ref->p_req, ctrl->p_new, ctrl->new_elems); in req_to_new()
1303 struct v4l2_ctrl *ctrl, *next_ctrl; in v4l2_ctrl_handler_free() local
1320 list_for_each_entry_safe(ctrl, next_ctrl, &hdl->ctrls, node) { in v4l2_ctrl_handler_free()
1321 list_del(&ctrl->node); in v4l2_ctrl_handler_free()
1322 list_for_each_entry_safe(sev, next_sev, &ctrl->ev_subs, node) in v4l2_ctrl_handler_free()
1324 kvfree(ctrl->p_array); in v4l2_ctrl_handler_free()
1325 kvfree(ctrl); in v4l2_ctrl_handler_free()
1351 if (V4L2_CTRL_ID2WHICH(ref->ctrl->id) == V4L2_CTRL_CLASS_USER && in find_private_ref()
1352 V4L2_CTRL_DRIVER_PRIV(ref->ctrl->id)) { in find_private_ref()
1353 if (!ref->ctrl->is_int) in find_private_ref()
1377 if (hdl->cached && hdl->cached->ctrl->id == id) in find_ref()
1382 while (ref && ref->ctrl->id != id) in find_ref()
1408 return ref ? ref->ctrl : NULL; in v4l2_ctrl_find()
1414 struct v4l2_ctrl *ctrl, in handler_new_ref() argument
1420 u32 id = ctrl->id; in handler_new_ref()
1432 if (ctrl->type < V4L2_CTRL_COMPOUND_TYPES && in handler_new_ref()
1440 if (allocate_req && !ctrl->is_array) in handler_new_ref()
1441 size_extra_req = ctrl->elems * ctrl->elem_size; in handler_new_ref()
1445 new_ref->ctrl = ctrl; in handler_new_ref()
1465 if (ref->ctrl->id < id) in handler_new_ref()
1468 if (ref->ctrl->id == id) { in handler_new_ref()
1482 if (ctrl->handler == hdl) { in handler_new_ref()
1484 * new_ref->ctrl is basically a cluster array with one in handler_new_ref()
1488 ctrl->cluster = &new_ref->ctrl; in handler_new_ref()
1489 ctrl->ncontrols = 1; in handler_new_ref()
1508 struct v4l2_ctrl *ctrl; in v4l2_ctrl_new() local
1664 ctrl = kvzalloc(sizeof(*ctrl) + sz_extra, GFP_KERNEL); in v4l2_ctrl_new()
1665 if (ctrl == NULL) { in v4l2_ctrl_new()
1670 INIT_LIST_HEAD(&ctrl->node); in v4l2_ctrl_new()
1671 INIT_LIST_HEAD(&ctrl->ev_subs); in v4l2_ctrl_new()
1672 ctrl->handler = hdl; in v4l2_ctrl_new()
1673 ctrl->ops = ops; in v4l2_ctrl_new()
1674 ctrl->type_ops = type_ops ? type_ops : &std_type_ops; in v4l2_ctrl_new()
1675 ctrl->id = id; in v4l2_ctrl_new()
1676 ctrl->name = name; in v4l2_ctrl_new()
1677 ctrl->type = type; in v4l2_ctrl_new()
1678 ctrl->flags = flags; in v4l2_ctrl_new()
1679 ctrl->minimum = min; in v4l2_ctrl_new()
1680 ctrl->maximum = max; in v4l2_ctrl_new()
1681 ctrl->step = step; in v4l2_ctrl_new()
1682 ctrl->default_value = def; in v4l2_ctrl_new()
1683 ctrl->is_string = !is_array && type == V4L2_CTRL_TYPE_STRING; in v4l2_ctrl_new()
1684 ctrl->is_ptr = is_array || type >= V4L2_CTRL_COMPOUND_TYPES || ctrl->is_string; in v4l2_ctrl_new()
1685 ctrl->is_int = !ctrl->is_ptr && type != V4L2_CTRL_TYPE_INTEGER64; in v4l2_ctrl_new()
1686 ctrl->is_array = is_array; in v4l2_ctrl_new()
1687 ctrl->is_dyn_array = !!(flags & V4L2_CTRL_FLAG_DYNAMIC_ARRAY); in v4l2_ctrl_new()
1688 ctrl->elems = elems; in v4l2_ctrl_new()
1689 ctrl->new_elems = elems; in v4l2_ctrl_new()
1690 ctrl->nr_of_dims = nr_of_dims; in v4l2_ctrl_new()
1692 memcpy(ctrl->dims, dims, nr_of_dims * sizeof(dims[0])); in v4l2_ctrl_new()
1693 ctrl->elem_size = elem_size; in v4l2_ctrl_new()
1695 ctrl->qmenu = qmenu; in v4l2_ctrl_new()
1697 ctrl->qmenu_int = qmenu_int; in v4l2_ctrl_new()
1698 ctrl->priv = priv; in v4l2_ctrl_new()
1699 ctrl->cur.val = ctrl->val = def; in v4l2_ctrl_new()
1700 data = &ctrl[1]; in v4l2_ctrl_new()
1702 if (ctrl->is_array) { in v4l2_ctrl_new()
1703 ctrl->p_array_alloc_elems = elems; in v4l2_ctrl_new()
1704 ctrl->p_array = kvzalloc(2 * elems * elem_size, GFP_KERNEL); in v4l2_ctrl_new()
1705 if (!ctrl->p_array) { in v4l2_ctrl_new()
1706 kvfree(ctrl); in v4l2_ctrl_new()
1709 data = ctrl->p_array; in v4l2_ctrl_new()
1712 if (!ctrl->is_int) { in v4l2_ctrl_new()
1713 ctrl->p_new.p = data; in v4l2_ctrl_new()
1714 ctrl->p_cur.p = data + tot_ctrl_size; in v4l2_ctrl_new()
1716 ctrl->p_new.p = &ctrl->val; in v4l2_ctrl_new()
1717 ctrl->p_cur.p = &ctrl->cur.val; in v4l2_ctrl_new()
1721 if (ctrl->is_array) in v4l2_ctrl_new()
1722 ctrl->p_def.p = &ctrl[1]; in v4l2_ctrl_new()
1724 ctrl->p_def.p = ctrl->p_cur.p + tot_ctrl_size; in v4l2_ctrl_new()
1725 memcpy(ctrl->p_def.p, p_def.p_const, elem_size); in v4l2_ctrl_new()
1728 ctrl->type_ops->init(ctrl, 0, ctrl->p_cur); in v4l2_ctrl_new()
1729 cur_to_new(ctrl); in v4l2_ctrl_new()
1731 if (handler_new_ref(hdl, ctrl, NULL, false, false)) { in v4l2_ctrl_new()
1732 kvfree(ctrl->p_array); in v4l2_ctrl_new()
1733 kvfree(ctrl); in v4l2_ctrl_new()
1737 list_add_tail(&ctrl->node, &hdl->ctrls); in v4l2_ctrl_new()
1739 return ctrl; in v4l2_ctrl_new()
1746 struct v4l2_ctrl *ctrl; in v4l2_ctrl_new_custom() local
1774 ctrl = v4l2_ctrl_new(hdl, cfg->ops, cfg->type_ops, cfg->id, name, in v4l2_ctrl_new_custom()
1779 if (ctrl) in v4l2_ctrl_new_custom()
1780 ctrl->is_private = cfg->is_private; in v4l2_ctrl_new_custom()
1781 return ctrl; in v4l2_ctrl_new_custom()
1921 bool (*filter)(const struct v4l2_ctrl *ctrl), in v4l2_ctrl_add_handler() argument
1934 struct v4l2_ctrl *ctrl = ref->ctrl; in v4l2_ctrl_add_handler() local
1937 if (ctrl->is_private) in v4l2_ctrl_add_handler()
1940 if (ctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS) in v4l2_ctrl_add_handler()
1943 if (filter && !filter(ctrl)) in v4l2_ctrl_add_handler()
1945 ret = handler_new_ref(hdl, ctrl, NULL, from_other_dev, false); in v4l2_ctrl_add_handler()
1954 bool v4l2_ctrl_radio_filter(const struct v4l2_ctrl *ctrl) in v4l2_ctrl_radio_filter() argument
1956 if (V4L2_CTRL_ID2WHICH(ctrl->id) == V4L2_CTRL_CLASS_FM_TX) in v4l2_ctrl_radio_filter()
1958 if (V4L2_CTRL_ID2WHICH(ctrl->id) == V4L2_CTRL_CLASS_FM_RX) in v4l2_ctrl_radio_filter()
1960 switch (ctrl->id) { in v4l2_ctrl_radio_filter()
2049 struct v4l2_ctrl *ctrl = master->cluster[i]; in cluster_changed() local
2052 if (!ctrl) in cluster_changed()
2055 if (ctrl->flags & V4L2_CTRL_FLAG_EXECUTE_ON_WRITE) { in cluster_changed()
2064 if (ctrl->flags & V4L2_CTRL_FLAG_VOLATILE) { in cluster_changed()
2065 ctrl->has_changed = false; in cluster_changed()
2069 if (ctrl->elems != ctrl->new_elems) in cluster_changed()
2072 ctrl_changed = !ctrl->type_ops->equal(ctrl, in cluster_changed()
2073 ctrl->p_cur, ctrl->p_new); in cluster_changed()
2074 ctrl->has_changed = ctrl_changed; in cluster_changed()
2075 changed |= ctrl->has_changed; in cluster_changed()
2083 * Must be called with ctrl->handler->lock held.
2099 struct v4l2_ctrl *ctrl = master->cluster[i]; in try_or_set_cluster() local
2101 if (!ctrl) in try_or_set_cluster()
2104 if (!ctrl->is_new) { in try_or_set_cluster()
2105 cur_to_new(ctrl); in try_or_set_cluster()
2112 if (set && (ctrl->flags & V4L2_CTRL_FLAG_GRABBED)) in try_or_set_cluster()
2147 void v4l2_ctrl_activate(struct v4l2_ctrl *ctrl, bool active) in v4l2_ctrl_activate() argument
2153 if (ctrl == NULL) in v4l2_ctrl_activate()
2158 old = test_and_set_bit(4, &ctrl->flags); in v4l2_ctrl_activate()
2161 old = test_and_clear_bit(4, &ctrl->flags); in v4l2_ctrl_activate()
2163 send_event(NULL, ctrl, V4L2_EVENT_CTRL_CH_FLAGS); in v4l2_ctrl_activate()
2167 void __v4l2_ctrl_grab(struct v4l2_ctrl *ctrl, bool grabbed) in __v4l2_ctrl_grab() argument
2171 if (ctrl == NULL) in __v4l2_ctrl_grab()
2174 lockdep_assert_held(ctrl->handler->lock); in __v4l2_ctrl_grab()
2178 old = test_and_set_bit(1, &ctrl->flags); in __v4l2_ctrl_grab()
2181 old = test_and_clear_bit(1, &ctrl->flags); in __v4l2_ctrl_grab()
2183 send_event(NULL, ctrl, V4L2_EVENT_CTRL_CH_FLAGS); in __v4l2_ctrl_grab()
2190 struct v4l2_ctrl *ctrl; in __v4l2_ctrl_handler_setup() local
2198 list_for_each_entry(ctrl, &hdl->ctrls, node) in __v4l2_ctrl_handler_setup()
2199 ctrl->done = false; in __v4l2_ctrl_handler_setup()
2201 list_for_each_entry(ctrl, &hdl->ctrls, node) { in __v4l2_ctrl_handler_setup()
2202 struct v4l2_ctrl *master = ctrl->cluster[0]; in __v4l2_ctrl_handler_setup()
2207 if (ctrl->done || ctrl->type == V4L2_CTRL_TYPE_BUTTON || in __v4l2_ctrl_handler_setup()
2208 (ctrl->flags & V4L2_CTRL_FLAG_READ_ONLY)) in __v4l2_ctrl_handler_setup()
2243 static void log_ctrl(const struct v4l2_ctrl *ctrl, in log_ctrl() argument
2246 if (ctrl->flags & (V4L2_CTRL_FLAG_DISABLED | V4L2_CTRL_FLAG_WRITE_ONLY)) in log_ctrl()
2248 if (ctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS) in log_ctrl()
2251 pr_info("%s%s%s: ", prefix, colon, ctrl->name); in log_ctrl()
2253 ctrl->type_ops->log(ctrl); in log_ctrl()
2255 if (ctrl->flags & (V4L2_CTRL_FLAG_INACTIVE | in log_ctrl()
2258 if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE) in log_ctrl()
2260 if (ctrl->flags & V4L2_CTRL_FLAG_GRABBED) in log_ctrl()
2262 if (ctrl->flags & V4L2_CTRL_FLAG_VOLATILE) in log_ctrl()
2272 struct v4l2_ctrl *ctrl; in v4l2_ctrl_handler_log_status() local
2284 list_for_each_entry(ctrl, &hdl->ctrls, node) in v4l2_ctrl_handler_log_status()
2285 if (!(ctrl->flags & V4L2_CTRL_FLAG_DISABLED)) in v4l2_ctrl_handler_log_status()
2286 log_ctrl(ctrl, prefix, colon); in v4l2_ctrl_handler_log_status()