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From: kbuild test robot <lkp@intel.com>
To: Hans Verkuil <hverkuil@xs4all.nl>
Cc: kbuild-all@01.org,
	Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>,
	Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: Re: Proposal for a v4l2_ctrl_new_std_compound() function
Date: Sat, 14 Sep 2019 00:08:18 +0800
Message-ID: <201909140020.IGVfw0EE%lkp@intel.com> (raw)
In-Reply-To: <d07dc56c-1b70-3147-1ee8-abf486a291a2@xs4all.nl>

[-- Attachment #1: Type: text/plain, Size: 32905 bytes --]

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@intel.com>

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@xs4all.nl>
:::::: CC: Mauro Carvalho Chehab <mchehab@redhat.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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  reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-12 13:35 Hans Verkuil
2019-09-13 16:08 ` kbuild test robot [this message]
2019-09-17 16:19 ` [PATCH] RFC: v4l2-ctrls: Inmplement v4l2_ctrl_new_std_compound() Ricardo Ribalda Delgado
2019-09-17 16:21   ` Ricardo Ribalda Delgado
2019-09-20 10:06     ` Hans Verkuil
2019-09-20 10:33       ` Ricardo Ribalda Delgado
2019-09-20 10:38         ` Hans Verkuil

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