Hi Shuah, [auto build test WARNING on linuxtv-media/master] [also build test WARNING on next-20160203] [cannot apply to v4.5-rc2] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Shuah-Khan/Sharing-media-resources-across-ALSA-and-au0828-drivers/20160204-121414 base: git://linuxtv.org/media_tree.git master reproduce: make htmldocs All warnings (new ones prefixed by >>): include/linux/init.h:1: warning: no structured comments found kernel/sys.c:1: warning: no structured comments found drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found drivers/dma-buf/reservation.c:1: warning: no structured comments found include/linux/reservation.h:1: warning: no structured comments found >> include/media/v4l2-mc.h:114: warning: No description found for parameter 'vdev' include/media/v4l2-mc.h:128: warning: No description found for parameter 'vdev' include/media/media-device.h:357: warning: No description found for parameter 'entity_notify' include/media/media-device.h:357: warning: No description found for parameter 'source_priv' include/media/media-device.h:357: warning: No description found for parameter 'enable_source' include/media/media-device.h:357: warning: No description found for parameter 'disable_source' include/media/media-device.h:357: warning: No description found for parameter 'entity_notify' include/media/media-device.h:357: warning: No description found for parameter 'source_priv' include/media/media-device.h:357: warning: No description found for parameter 'enable_source' include/media/media-device.h:357: warning: No description found for parameter 'disable_source' include/media/media-entity.h:840: warning: No description found for parameter 'entity' include/media/media-entity.h:840: warning: No description found for parameter 'pipe' include/media/media-entity.h:860: warning: No description found for parameter 'entity' include/linux/spi/spi.h:540: warning: No description found for parameter 'max_transfer_size' vim +/vdev +114 include/media/v4l2-mc.h 98 /** 99 * v4l_enable_media_source() - Hold media source for exclusive use 100 * if free 101 * 102 * @vdev - poniter to struct video_device 103 * 104 * This interface calls enable_source handler to determine if 105 * media source is free for use. The enable_source handler is 106 * responsible for checking is the media source is free and 107 * start a pipeline between the media source and the media 108 * entity associated with the video device. This interface 109 * should be called from v4l2-core and dvb-core interfaces 110 * that change the source configuration. 111 * 112 * Return: returns zero on success or a negative error code. 113 */ > 114 int v4l_enable_media_source(struct video_device *vdev); 115 116 /** 117 * v4l_disable_media_source() - Release media source 118 * 119 * @vdev - poniter to struct video_device 120 * 121 * This interface calls disable_source handler to release 122 * the media source. The disable_source handler stops the --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation