* [monstr-microblaze:for-test 218/1134] drivers/media/i2c/adv7511-v4l2.c:427:2: error: void function 'adv7511_set_rgb_quantization_mode' should not return a value
@ 2020-11-11 9:29 kernel test robot
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From: kernel test robot @ 2020-11-11 9:29 UTC (permalink / raw)
To: kbuild-all
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tree: git://git.monstr.eu/linux-2.6-microblaze for-test
head: 21f70b89dfef52f69ce1413868950cf5baf3868d
commit: ec8cdd50aa613113bb1480b0b103f42eea3f25d9 [218/1134] drivers: media: Customized adv7511 for Xylon LogiCVC (deprecated)
config: x86_64-randconfig-a004-20201111 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 874b0a0b9db93f5d3350ffe6b5efda2d908415d0)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git remote add monstr-microblaze git://git.monstr.eu/linux-2.6-microblaze
git fetch --no-tags monstr-microblaze for-test
git checkout ec8cdd50aa613113bb1480b0b103f42eea3f25d9
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> drivers/media/i2c/adv7511-v4l2.c:427:2: error: void function 'adv7511_set_rgb_quantization_mode' should not return a value [-Wreturn-type]
return 0;
^ ~
drivers/media/i2c/adv7511-v4l2.c:2251:21: warning: no previous prototype for function 'adv7511_subdev' [-Wmissing-prototypes]
struct v4l2_subdev *adv7511_subdev(struct v4l2_subdev *sd)
^
drivers/media/i2c/adv7511-v4l2.c:2251:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
struct v4l2_subdev *adv7511_subdev(struct v4l2_subdev *sd)
^
static
1 warning and 1 error generated.
vim +/adv7511_set_rgb_quantization_mode +427 drivers/media/i2c/adv7511-v4l2.c
421
422 static void adv7511_set_rgb_quantization_mode(struct v4l2_subdev *sd, struct v4l2_ctrl *ctrl)
423 {
424 struct adv7511_state *state = get_adv7511_state(sd);
425
426 #ifdef XYLON_LOGICVC_INTG
> 427 return 0;
428 #endif
429
430 /* Only makes sense for RGB formats */
431 if (state->fmt_code != MEDIA_BUS_FMT_RGB888_1X24) {
432 /* so just keep quantization */
433 adv7511_csc_rgb_full2limit(sd, false);
434 return;
435 }
436
437 switch (ctrl->val) {
438 case V4L2_DV_RGB_RANGE_AUTO:
439 /* automatic */
440 if (state->dv_timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) {
441 /* CE format, RGB limited range (16-235) */
442 adv7511_csc_rgb_full2limit(sd, true);
443 } else {
444 /* not CE format, RGB full range (0-255) */
445 adv7511_csc_rgb_full2limit(sd, false);
446 }
447 break;
448 case V4L2_DV_RGB_RANGE_LIMITED:
449 /* RGB limited range (16-235) */
450 adv7511_csc_rgb_full2limit(sd, true);
451 break;
452 case V4L2_DV_RGB_RANGE_FULL:
453 /* RGB full range (0-255) */
454 adv7511_csc_rgb_full2limit(sd, false);
455 break;
456 }
457 }
458
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2020-11-11 9:29 [monstr-microblaze:for-test 218/1134] drivers/media/i2c/adv7511-v4l2.c:427:2: error: void function 'adv7511_set_rgb_quantization_mode' should not return a value kernel test robot
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