tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: cbc572af8c3daa87a87df19c570fb3fd3ed99022 commit: c1be6d998806425f28600e867a8e9a2dd9bac741 [2527/2527] media: subdev: Add v4l2_subdev_is_streaming() config: x86_64-buildonly-randconfig-004-20250718 (https://download.01.org/0day-ci/archive/20250718/202507181525.PYgxRhvq-lkp@i...) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250718/202507181525.PYgxRhvq-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507181525.PYgxRhvq-lkp@intel.com/ All errors (new ones prefixed by >>):

...

drivers/media/v4l2-core/v4l2-subdev.c:2253:10: error: call to undeclared function 'v4l2_subdev_get_locked_active_state'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2253 | state = v4l2_subdev_get_locked_active_state(sd); | ^ drivers/media/v4l2-core/v4l2-subdev.c:2253:8: error: incompatible integer to pointer conversion assigning to 'struct v4l2_subdev_state *' from 'int' [-Wint-conversion] 2253 | state = v4l2_subdev_get_locked_active_state(sd); | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 errors generated.

vim +/v4l2_subdev_get_locked_active_state +2253 drivers/media/v4l2-core/v4l2-subdev.c 2242 2243 bool v4l2_subdev_is_streaming(struct v4l2_subdev *sd) 2244 { 2245 struct v4l2_subdev_state *state; 2246 2247 if (!v4l2_subdev_has_op(sd, pad, enable_streams)) 2248 return sd->s_stream_enabled; 2249 2250 if (!(sd->flags & V4L2_SUBDEV_FL_STREAMS)) 2251 return !!sd->enabled_pads; 2252

2253 state = v4l2_subdev_get_locked_active_state(sd); 2254 2255 for (unsigned int i = 0; i < state->stream_configs.num_configs; ++i) { 2256 const struct v4l2_subdev_stream_config *cfg; 2257 2258 cfg = &state->stream_configs.configs[i]; 2259 2260 if (cfg->enabled) 2261 return true; 2262 } 2263 2264 return false; 2265 } 2266 EXPORT_SYMBOL_GPL(v4l2_subdev_is_streaming); 2267

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