Hi Hans, I love your patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [cannot apply to v5.3-rc8 next-20190904] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Hans-Verkuil/Proposal-for-a-v4l2_ctrl_new_std_compound-function/20190913-222917 base: git://linuxtv.org/media_tree.git master reproduce: make htmldocs If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): Warning: The Sphinx 'sphinx_rtd_theme' HTML theme was not found. Make sure you have the theme installed to produce pretty HTML output. Falling back to the default theme. WARNING: dot(1) not found, for better output quality install graphviz from http://www.graphviz.org WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org) include/linux/w1.h:272: warning: Function parameter or member 'of_match_table' not described in 'w1_family' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'quotactl' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'quota_on' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_free_mnt_opts' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_eat_lsm_opts' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_kern_mount' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_show_options' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_add_mnt_opt' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'd_instantiate' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'getprocattr' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'setprocattr' not described in 'security_list_options' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:142: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_read_lock' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:347: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor ' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:348: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor ' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:494: warning: Function parameter or member 'start' not described in 'amdgpu_vm_pt_first_dfs' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'start' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'entry' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:823: warning: Function parameter or member 'level' not described in 'amdgpu_vm_bo_param' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'level' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2822: warning: Function parameter or member 'pasid' not described in 'amdgpu_vm_make_compute' drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:378: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch' drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:379: warning: Function parameter or member 'ih' not described in 'amdgpu_irq_dispatch' drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:379: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch' drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:1: warning: no structured comments found drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1: warning: no structured comments found drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:1: warning: 'pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie' not found drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:131: warning: Incorrect use of kernel-doc format: * @atomic_obj drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:237: warning: Incorrect use of kernel-doc format: * gpu_info FW provided soc bounding box struct or 0 if not drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'atomic_obj' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'backlight_link' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'backlight_caps' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'freesync_module' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'fw_dmcu' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'dmcu_fw_version' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'soc_bounding_box' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: 'dm_pflip_high_irq' not found drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: 'register_hpd_handlers' not found drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: 'dm_crtc_high_irq' not found include/linux/i2c.h:337: warning: Function parameter or member 'init_irq' not described in 'i2c_client' include/linux/regulator/machine.h:196: warning: Function parameter or member 'max_uV_step' not described in 'regulation_constraints' include/linux/regulator/driver.h:223: warning: Function parameter or member 'resume' not described in 'regulator_ops' include/linux/spi/spi.h:190: warning: Function parameter or member 'driver_override' not described in 'spi_device' drivers/usb/typec/bus.c:1: warning: 'typec_altmode_unregister_driver' not found drivers/usb/typec/bus.c:1: warning: 'typec_altmode_register_driver' not found drivers/usb/typec/class.c:1: warning: 'typec_altmode_register_notifier' not found drivers/usb/typec/class.c:1: warning: 'typec_altmode_unregister_notifier' not found fs/direct-io.c:258: warning: Excess function parameter 'offset' description in 'dio_complete' fs/libfs.c:496: warning: Excess function parameter 'available' description in 'simple_write_end' fs/posix_acl.c:647: warning: Function parameter or member 'inode' not described in 'posix_acl_update_mode' fs/posix_acl.c:647: warning: Function parameter or member 'mode_p' not described in 'posix_acl_update_mode' fs/posix_acl.c:647: warning: Function parameter or member 'acl' not described in 'posix_acl_update_mode' >> include/media/v4l2-ctrls.h:260: warning: Function parameter or member 'p_def' not described in 'v4l2_ctrl' mm/util.c:1: warning: 'get_user_pages_fast' not found mm/slab.c:4215: warning: Function parameter or member 'objp' not described in '__ksize' include/linux/input/sparse-keymap.h:43: warning: Function parameter or member 'sw' not described in 'key_entry' include/linux/skbuff.h:893: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'list' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'ip_defrag_offset' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'skb_mstamp_ns' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member '__cloned_offset' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'head_frag' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member '__pkt_type_offset' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'encapsulation' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'encap_hdr_csum' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'csum_valid' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member '__pkt_vlan_present_offset' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'vlan_present' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'csum_complete_sw' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'csum_level' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'inner_protocol_type' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'remcsum_offload' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'sender_cpu' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff' include/linux/skbuff.h:893: warning: Function parameter or member 'inner_ipproto' not described in 'sk_buff' include/net/sock.h:233: warning: Function parameter or member 'skc_addrpair' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_portpair' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_ipv6only' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_net_refcnt' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_v6_daddr' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_v6_rcv_saddr' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_cookie' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_listener' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_tw_dr' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_rcv_wnd' not described in 'sock_common' include/net/sock.h:233: warning: Function parameter or member 'skc_tw_rcv_nxt' not described in 'sock_common' include/net/sock.h:515: warning: Function parameter or member 'sk_rx_skb_cache' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_wq_raw' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'tcp_rtx_queue' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_tx_skb_cache' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_route_forced_caps' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_txtime_report_errors' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_validate_xmit_skb' not described in 'sock' include/net/sock.h:515: warning: Function parameter or member 'sk_bpf_storage' not described in 'sock' include/net/sock.h:2439: warning: Function parameter or member 'tcp_rx_skb_cache_key' not described in 'DECLARE_STATIC_KEY_FALSE' include/net/sock.h:2439: warning: Excess function parameter 'sk' description in 'DECLARE_STATIC_KEY_FALSE' include/net/sock.h:2439: warning: Excess function parameter 'skb' description in 'DECLARE_STATIC_KEY_FALSE' include/linux/netdevice.h:2040: warning: Function parameter or member 'gso_partial_features' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'tlsdev_ops' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'name_assign_type' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'mpls_ptr' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'xdp_prog' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'nf_hooks_ingress' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member '____cacheline_aligned_in_smp' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'qdisc_hash' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'xps_cpus_map' not described in 'net_device' include/linux/netdevice.h:2040: warning: Function parameter or member 'xps_rxqs_map' not described in 'net_device' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising' not described in 'phylink_link_state' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising' not described in 'phylink_link_state' drivers/net/phy/phylink.c:595: warning: Function parameter or member 'config' not described in 'phylink_create' drivers/net/phy/phylink.c:595: warning: Excess function parameter 'ndev' description in 'phylink_create' lib/genalloc.c:1: warning: 'gen_pool_add_virt' not found lib/genalloc.c:1: warning: 'gen_pool_alloc' not found lib/genalloc.c:1: warning: 'gen_pool_free' not found lib/genalloc.c:1: warning: 'gen_pool_alloc_algo' not found include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_pin' not described in 'drm_driver' include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_unpin' not described in 'drm_driver' include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_res_obj' not described in 'drm_driver' include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_get_sg_table' not described in 'drm_driver' include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_import_sg_table' not described in 'drm_driver' include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_vmap' not described in 'drm_driver' include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_vunmap' not described in 'drm_driver' include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_mmap' not described in 'drm_driver' include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or member 'prepare_writeback_job' not described in 'drm_connector_helper_funcs' include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or member 'cleanup_writeback_job' not described in 'drm_connector_helper_funcs' include/drm/drm_atomic_state_helper.h:1: warning: no structured comments found drivers/gpu/drm/mcde/mcde_drv.c:1: warning: 'ST-Ericsson MCDE DRM Driver' not found include/net/cfg80211.h:1092: warning: Function parameter or member 'txpwr' not described in 'station_parameters' include/net/mac80211.h:4043: warning: Function parameter or member 'sta_set_txpwr' not described in 'ieee80211_ops' include/net/mac80211.h:2006: warning: Function parameter or member 'txpwr' not described in 'ieee80211_sta' Documentation/admin-guide/xfs.rst:257: WARNING: Block quote ends without a blank line; unexpected unindent. Documentation/index.rst:94: WARNING: toctree contains reference to nonexisting document 'virtual/index' Documentation/crypto/crypto_engine.rst:2: WARNING: Explicit markup ends without a blank line; unexpected unindent. Documentation/kbuild/makefiles.rst:1142: WARNING: Inline emphasis start-string without end-string. Documentation/kbuild/makefiles.rst:1152: WARNING: Inline emphasis start-string without end-string. Documentation/kbuild/makefiles.rst:1154: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1110: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1110: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1108: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1108: WARNING: Inline emphasis start-string without end-string. Documentation/security/keys/core.rst:1108: WARNING: Inline emphasis start-string without end-string. Documentation/trace/kprobetrace.rst:99: WARNING: Explicit markup ends without a blank line; unexpected unindent. include/uapi/linux/firewire-cdev.h:312: WARNING: Inline literal start-string without end-string. drivers/firewire/core-transaction.c:606: WARNING: Inline strong start-string without end-string. drivers/message/fusion/mptbase.c:5057: WARNING: Definition list ends without a blank line; unexpected unindent. drivers/tty/serial/serial_core.c:1964: WARNING: Definition list ends without a blank line; unexpected unindent. drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:245: WARNING: Unexpected indentation. drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:248: WARNING: Block quote ends without a blank line; unexpected unindent. drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:271: WARNING: Unexpected indentation. vim +260 include/media/v4l2-ctrls.h 8ac7a9493a4380 Hans Verkuil 2012-09-07 126 8c2721d57a4bac Mauro Carvalho Chehab 2015-08-22 127 /** 8c2721d57a4bac Mauro Carvalho Chehab 2015-08-22 128 * struct v4l2_ctrl - The control structure. 8ec4bee7c10e55 Mauro Carvalho Chehab 2016-07-22 129 * 0996517cf8eade Hans Verkuil 2010-08-01 130 * @node: The list node. 77068d36d8b9e9 Hans Verkuil 2011-06-13 131 * @ev_subs: The list of control event subscriptions. 0996517cf8eade Hans Verkuil 2010-08-01 132 * @handler: The handler that owns the control. 0996517cf8eade Hans Verkuil 2010-08-01 133 * @cluster: Point to start of cluster array. 0996517cf8eade Hans Verkuil 2010-08-01 134 * @ncontrols: Number of controls in cluster array. 0996517cf8eade Hans Verkuil 2010-08-01 135 * @done: Internal flag: set for each processed control. 2a863793beaa0f Hans Verkuil 2011-01-11 136 * @is_new: Set when the user specified a new value for this control. It 8ec4bee7c10e55 Mauro Carvalho Chehab 2016-07-22 137 * is also set when called from v4l2_ctrl_handler_setup(). Drivers 2a863793beaa0f Hans Verkuil 2011-01-11 138 * should never set this flag. 9ea1b7a4b66fdd Hans Verkuil 2014-01-17 139 * @has_changed: Set when the current value differs from the new value. Drivers 9ea1b7a4b66fdd Hans Verkuil 2014-01-17 140 * should never use this flag. 0996517cf8eade Hans Verkuil 2010-08-01 141 * @is_private: If set, then this control is private to its handler and it 0996517cf8eade Hans Verkuil 2010-08-01 142 * will not be added to any other handlers. Drivers can set 0996517cf8eade Hans Verkuil 2010-08-01 143 * this flag. 72d877cac07c8d Hans Verkuil 2011-06-10 144 * @is_auto: If set, then this control selects whether the other cluster 72d877cac07c8d Hans Verkuil 2011-06-10 145 * members are in 'automatic' mode or 'manual' mode. This is 72d877cac07c8d Hans Verkuil 2011-06-10 146 * used for autogain/gain type clusters. Drivers should never 72d877cac07c8d Hans Verkuil 2011-06-10 147 * set this flag directly. d9a2547150245f Hans Verkuil 2014-06-12 148 * @is_int: If set, then this control has a simple integer value (i.e. it d9a2547150245f Hans Verkuil 2014-06-12 149 * uses ctrl->val). 8ec4bee7c10e55 Mauro Carvalho Chehab 2016-07-22 150 * @is_string: If set, then this control has type %V4L2_CTRL_TYPE_STRING. 8ec4bee7c10e55 Mauro Carvalho Chehab 2016-07-22 151 * @is_ptr: If set, then this control is an array and/or has type >= 8ec4bee7c10e55 Mauro Carvalho Chehab 2016-07-22 152 * %V4L2_CTRL_COMPOUND_TYPES 8ec4bee7c10e55 Mauro Carvalho Chehab 2016-07-22 153 * and/or has type %V4L2_CTRL_TYPE_STRING. In other words, &struct d9a2547150245f Hans Verkuil 2014-06-12 154 * v4l2_ext_control uses field p to point to the data. 998e7659150760 Hans Verkuil 2014-06-10 155 * @is_array: If set, then this control contains an N-dimensional array. 5626b8c75bc13a Hans Verkuil 2011-08-26 156 * @has_volatiles: If set, then one or more members of the cluster are volatile. 5626b8c75bc13a Hans Verkuil 2011-08-26 157 * Drivers should never touch this flag. 8ac7a9493a4380 Hans Verkuil 2012-09-07 158 * @call_notify: If set, then call the handler's notify function whenever the 8ac7a9493a4380 Hans Verkuil 2012-09-07 159 * control's value changes. 72d877cac07c8d Hans Verkuil 2011-06-10 160 * @manual_mode_value: If the is_auto flag is set, then this is the value 72d877cac07c8d Hans Verkuil 2011-06-10 161 * of the auto control that determines if that control is in 72d877cac07c8d Hans Verkuil 2011-06-10 162 * manual mode. So if the value of the auto control equals this 72d877cac07c8d Hans Verkuil 2011-06-10 163 * value, then the whole cluster is in manual mode. Drivers should 72d877cac07c8d Hans Verkuil 2011-06-10 164 * never set this flag directly. 0996517cf8eade Hans Verkuil 2010-08-01 165 * @ops: The control ops. 0176077a813933 Hans Verkuil 2014-04-27 166 * @type_ops: The control type ops. 0996517cf8eade Hans Verkuil 2010-08-01 167 * @id: The control ID. 0996517cf8eade Hans Verkuil 2010-08-01 168 * @name: The control name. 0996517cf8eade Hans Verkuil 2010-08-01 169 * @type: The control type. 0996517cf8eade Hans Verkuil 2010-08-01 170 * @minimum: The control's minimum value. 0996517cf8eade Hans Verkuil 2010-08-01 171 * @maximum: The control's maximum value. 0996517cf8eade Hans Verkuil 2010-08-01 172 * @default_value: The control's default value. 0996517cf8eade Hans Verkuil 2010-08-01 173 * @step: The control's step value for non-menu controls. 20d88eef66a869 Hans Verkuil 2014-06-12 174 * @elems: The number of elements in the N-dimensional array. d9a2547150245f Hans Verkuil 2014-06-12 175 * @elem_size: The size in bytes of the control. 20d88eef66a869 Hans Verkuil 2014-06-12 176 * @dims: The size of each dimension. 20d88eef66a869 Hans Verkuil 2014-06-12 177 * @nr_of_dims:The number of dimensions in @dims. 0996517cf8eade Hans Verkuil 2010-08-01 178 * @menu_skip_mask: The control's skip mask for menu controls. This makes it 0996517cf8eade Hans Verkuil 2010-08-01 179 * easy to skip menu items that are not valid. If bit X is set, 0996517cf8eade Hans Verkuil 2010-08-01 180 * then menu item X is skipped. Of course, this only works for 0996517cf8eade Hans Verkuil 2010-08-01 181 * menus with <= 32 menu items. There are no menus that come 0996517cf8eade Hans Verkuil 2010-08-01 182 * close to that number, so this is OK. Should we ever need more, 0996517cf8eade Hans Verkuil 2010-08-01 183 * then this will have to be extended to a u64 or a bit array. 0996517cf8eade Hans Verkuil 2010-08-01 184 * @qmenu: A const char * array for all menu items. Array entries that are 0996517cf8eade Hans Verkuil 2010-08-01 185 * empty strings ("") correspond to non-existing menu items (this 0996517cf8eade Hans Verkuil 2010-08-01 186 * is in addition to the menu_skip_mask above). The last entry 0996517cf8eade Hans Verkuil 2010-08-01 187 * must be NULL. 20139f1857c1a1 Mauro Carvalho Chehab 2017-09-27 188 * Used only if the @type is %V4L2_CTRL_TYPE_MENU. 20139f1857c1a1 Mauro Carvalho Chehab 2017-09-27 189 * @qmenu_int: A 64-bit integer array for with integer menu items. 20139f1857c1a1 Mauro Carvalho Chehab 2017-09-27 190 * The size of array must be equal to the menu size, e. g.: 20139f1857c1a1 Mauro Carvalho Chehab 2017-09-27 191 * :math:`ceil(\frac{maximum - minimum}{step}) + 1`. 20139f1857c1a1 Mauro Carvalho Chehab 2017-09-27 192 * Used only if the @type is %V4L2_CTRL_TYPE_INTEGER_MENU. 0996517cf8eade Hans Verkuil 2010-08-01 193 * @flags: The control's flags. 20139f1857c1a1 Mauro Carvalho Chehab 2017-09-27 194 * @cur: Structure to store the current value. 20139f1857c1a1 Mauro Carvalho Chehab 2017-09-27 195 * @cur.val: The control's current value, if the @type is represented via 20139f1857c1a1 Mauro Carvalho Chehab 2017-09-27 196 * a u32 integer (see &enum v4l2_ctrl_type). 0996517cf8eade Hans Verkuil 2010-08-01 197 * @val: The control's new s32 value. 0996517cf8eade Hans Verkuil 2010-08-01 198 * @priv: The control's private pointer. For use by the driver. It is 0996517cf8eade Hans Verkuil 2010-08-01 199 * untouched by the control framework. Note that this pointer is 0996517cf8eade Hans Verkuil 2010-08-01 200 * not freed when the control is deleted. Should this be needed 0996517cf8eade Hans Verkuil 2010-08-01 201 * then a new internal bitfield can be added to tell the framework 0996517cf8eade Hans Verkuil 2010-08-01 202 * to free this pointer. bf7b70482704bb Baruch Siach 2018-07-05 203 * @p_cur: The control's current value represented via a union which 7dc879190f55f4 Mauro Carvalho Chehab 2015-08-22 204 * provides a standard way of accessing control types 7dc879190f55f4 Mauro Carvalho Chehab 2015-08-22 205 * through a pointer. bf7b70482704bb Baruch Siach 2018-07-05 206 * @p_new: The control's new value represented via a union which provides 7dc879190f55f4 Mauro Carvalho Chehab 2015-08-22 207 * a standard way of accessing control types 7dc879190f55f4 Mauro Carvalho Chehab 2015-08-22 208 * through a pointer. 0996517cf8eade Hans Verkuil 2010-08-01 209 */ 0996517cf8eade Hans Verkuil 2010-08-01 210 struct v4l2_ctrl { 0996517cf8eade Hans Verkuil 2010-08-01 211 /* Administrative fields */ 0996517cf8eade Hans Verkuil 2010-08-01 212 struct list_head node; 77068d36d8b9e9 Hans Verkuil 2011-06-13 213 struct list_head ev_subs; 0996517cf8eade Hans Verkuil 2010-08-01 214 struct v4l2_ctrl_handler *handler; 0996517cf8eade Hans Verkuil 2010-08-01 215 struct v4l2_ctrl **cluster; 8ec4bee7c10e55 Mauro Carvalho Chehab 2016-07-22 216 unsigned int ncontrols; 8ec4bee7c10e55 Mauro Carvalho Chehab 2016-07-22 217 0996517cf8eade Hans Verkuil 2010-08-01 218 unsigned int done:1; 0996517cf8eade Hans Verkuil 2010-08-01 219 2a863793beaa0f Hans Verkuil 2011-01-11 220 unsigned int is_new:1; 9ea1b7a4b66fdd Hans Verkuil 2014-01-17 221 unsigned int has_changed:1; 0996517cf8eade Hans Verkuil 2010-08-01 222 unsigned int is_private:1; 72d877cac07c8d Hans Verkuil 2011-06-10 223 unsigned int is_auto:1; d9a2547150245f Hans Verkuil 2014-06-12 224 unsigned int is_int:1; d9a2547150245f Hans Verkuil 2014-06-12 225 unsigned int is_string:1; d9a2547150245f Hans Verkuil 2014-06-12 226 unsigned int is_ptr:1; 998e7659150760 Hans Verkuil 2014-06-10 227 unsigned int is_array:1; 5626b8c75bc13a Hans Verkuil 2011-08-26 228 unsigned int has_volatiles:1; 8ac7a9493a4380 Hans Verkuil 2012-09-07 229 unsigned int call_notify:1; 82a7c049449ec5 Hans Verkuil 2011-06-28 230 unsigned int manual_mode_value:8; 0996517cf8eade Hans Verkuil 2010-08-01 231 0996517cf8eade Hans Verkuil 2010-08-01 232 const struct v4l2_ctrl_ops *ops; 0176077a813933 Hans Verkuil 2014-04-27 233 const struct v4l2_ctrl_type_ops *type_ops; 0996517cf8eade Hans Verkuil 2010-08-01 234 u32 id; 0996517cf8eade Hans Verkuil 2010-08-01 235 const char *name; 0996517cf8eade Hans Verkuil 2010-08-01 236 enum v4l2_ctrl_type type; 0ba2aeb6dab809 Hans Verkuil 2014-04-16 237 s64 minimum, maximum, default_value; 20d88eef66a869 Hans Verkuil 2014-06-12 238 u32 elems; d9a2547150245f Hans Verkuil 2014-06-12 239 u32 elem_size; 20d88eef66a869 Hans Verkuil 2014-06-12 240 u32 dims[V4L2_CTRL_MAX_DIMS]; 20d88eef66a869 Hans Verkuil 2014-06-12 241 u32 nr_of_dims; 0996517cf8eade Hans Verkuil 2010-08-01 242 union { 0ba2aeb6dab809 Hans Verkuil 2014-04-16 243 u64 step; 0ba2aeb6dab809 Hans Verkuil 2014-04-16 244 u64 menu_skip_mask; 0996517cf8eade Hans Verkuil 2010-08-01 245 }; ce580fe5190dec Sakari Ailus 2011-08-04 246 union { 513521eaee4375 Hans Verkuil 2010-12-29 247 const char * const *qmenu; ce580fe5190dec Sakari Ailus 2011-08-04 248 const s64 *qmenu_int; ce580fe5190dec Sakari Ailus 2011-08-04 249 }; 0996517cf8eade Hans Verkuil 2010-08-01 250 unsigned long flags; d9a2547150245f Hans Verkuil 2014-06-12 251 void *priv; 0996517cf8eade Hans Verkuil 2010-08-01 252 s32 val; 2a9ec3731137f9 Hans Verkuil 2014-04-27 253 struct { 0996517cf8eade Hans Verkuil 2010-08-01 254 s32 val; d9a2547150245f Hans Verkuil 2014-06-12 255 } cur; 0176077a813933 Hans Verkuil 2014-04-27 256 4d9433f96f76aa Hans Verkuil 2019-09-12 257 const union v4l2_ctrl_ptr p_def; 0176077a813933 Hans Verkuil 2014-04-27 258 union v4l2_ctrl_ptr p_new; 0176077a813933 Hans Verkuil 2014-04-27 259 union v4l2_ctrl_ptr p_cur; 0996517cf8eade Hans Verkuil 2010-08-01 @260 }; 0996517cf8eade Hans Verkuil 2010-08-01 261 :::::: The code at line 260 was first introduced by commit :::::: 0996517cf8eaded69b8502c8f5abeb8cec62b6d4 V4L/DVB: v4l2: Add new control handling framework :::::: TO: Hans Verkuil <hverkuil@xxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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