[PATCH 4/5] ALSA: HDA - remove the custom implementation for the audio LED trigger

[kernel test robot]

Hi Jaroslav,

I love your patch! Perhaps something to improve:

[auto build test WARNING on sound/for-next]
[also build test WARNING on v5.11-rc7 next-20210125]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jaroslav-Kysela/ALSA-control-add-generic-LED-trigger-code/20210211-192035
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
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
        # https://github.com/0day-ci/linux/commit/a7fc56df5a000d97b1b201a3f8a59218fba1ee49
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jaroslav-Kysela/ALSA-control-add-generic-LED-trigger-code/20210211-192035
        git checkout a7fc56df5a000d97b1b201a3f8a59218fba1ee49
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

   sound/core/control_led.c:49:19: warning: no previous prototype for 'snd_ctl_led_controls_by_access' [-Wmissing-prototypes]
      49 | struct list_head *snd_ctl_led_controls_by_access(unsigned int access)
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> sound/core/control_led.c:244:6: warning: no previous prototype for 'snd_ctl_led_hello' [-Wmissing-prototypes]
     244 | void snd_ctl_led_hello(void)
         |      ^~~~~~~~~~~~~~~~~


vim +/snd_ctl_led_hello +244 sound/core/control_led.c

300372c2ee4ebb Jaroslav Kysela 2021-02-11  237  
300372c2ee4ebb Jaroslav Kysela 2021-02-11  238  /**
300372c2ee4ebb Jaroslav Kysela 2021-02-11  239   * snd_ctl_led_hello - kernel module reference helper
300372c2ee4ebb Jaroslav Kysela 2021-02-11  240   *
300372c2ee4ebb Jaroslav Kysela 2021-02-11  241   * Call this helper in the module init function when the control LED
300372c2ee4ebb Jaroslav Kysela 2021-02-11  242   * code should be activated for the given driver.
300372c2ee4ebb Jaroslav Kysela 2021-02-11  243   */
300372c2ee4ebb Jaroslav Kysela 2021-02-11 @244  void snd_ctl_led_hello(void)
300372c2ee4ebb Jaroslav Kysela 2021-02-11  245  {
300372c2ee4ebb Jaroslav Kysela 2021-02-11  246  }
300372c2ee4ebb Jaroslav Kysela 2021-02-11  247  EXPORT_SYMBOL(snd_ctl_led_hello);
300372c2ee4ebb Jaroslav Kysela 2021-02-11  248  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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