[morimoto:sound-cleanup-2025-03-07 17/40] sound/soc/soc-pcm.c:1635:8: error: call to undeclared function 'snd_soc_dpcm_can_be_update'; ISO C99 and later do not support implicit function declarations

[kernel test robot <lkp@intel.com>]

Hi Kuninori,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://github.com/morimoto/linux sound-cleanup-2025-03-07
head:   609577579ecf4de9913d0d83a96d240bd935a4a1
commit: f6c0618b06d3285bd3ddd254ce62c5eb92c6e4f1 [17/40] ASoC: soc-pcm: tidyup function name to snd_soc_dpcm_be_can_xxx()
config: x86_64-buildonly-randconfig-004-20250310 (https://download.01.org/0day-ci/archive/20250310/202503101300.LhjHiEqb-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250310/202503101300.LhjHiEqb-lkp@intel.com/reproduce)

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/202503101300.LhjHiEqb-lkp@intel.com/

All errors (new ones prefixed by >>):

>> sound/soc/soc-pcm.c:1635:8: error: call to undeclared function 'snd_soc_dpcm_can_be_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    1635 |                 if (!snd_soc_dpcm_can_be_update(fe, be, stream))
         |                      ^
   sound/soc/soc-pcm.c:1685:8: error: call to undeclared function 'snd_soc_dpcm_can_be_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    1685 |                 if (!snd_soc_dpcm_can_be_update(fe, be, stream))
         |                      ^
   sound/soc/soc-pcm.c:2010:8: error: call to undeclared function 'snd_soc_dpcm_can_be_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2010 |                 if (!snd_soc_dpcm_can_be_update(fe, be, stream))
         |                      ^
   sound/soc/soc-pcm.c:2076:8: error: call to undeclared function 'snd_soc_dpcm_can_be_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2076 |                 if (!snd_soc_dpcm_can_be_update(fe, be, stream))
         |                      ^
   sound/soc/soc-pcm.c:2121:8: error: call to undeclared function 'snd_soc_dpcm_can_be_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2121 |                 if (!snd_soc_dpcm_can_be_update(fe, be, stream))
         |                      ^
   sound/soc/soc-pcm.c:2191:8: error: call to undeclared function 'snd_soc_dpcm_can_be_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2191 |                 if (!snd_soc_dpcm_can_be_update(fe, be, stream))
         |                      ^
   sound/soc/soc-pcm.c:2468:8: error: call to undeclared function 'snd_soc_dpcm_can_be_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2468 |                 if (!snd_soc_dpcm_can_be_update(fe, be, stream))
         |                      ^
   sound/soc/soc-pcm.c:2626:8: error: call to undeclared function 'snd_soc_dpcm_can_be_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2626 |                 if (!snd_soc_dpcm_can_be_update(fe, be, stream))
         |                      ^
   8 errors generated.


vim +/snd_soc_dpcm_can_be_update +1635 sound/soc/soc-pcm.c

  1619	
  1620	void dpcm_be_dai_stop(struct snd_soc_pcm_runtime *fe, int stream,
  1621			      int do_hw_free, struct snd_soc_dpcm *last)
  1622	{
  1623		struct snd_soc_dpcm *dpcm;
  1624	
  1625		/* disable any enabled and non active backends */
  1626		for_each_dpcm_be(fe, stream, dpcm) {
  1627			struct snd_soc_pcm_runtime *be = dpcm->be;
  1628			struct snd_pcm_substream *be_substream =
  1629				snd_soc_dpcm_get_substream(be, stream);
  1630	
  1631			if (dpcm == last)
  1632				return;
  1633	
  1634			/* is this op for this BE ? */
> 1635			if (!snd_soc_dpcm_can_be_update(fe, be, stream))
  1636				continue;
  1637	
  1638			if (be->dpcm[stream].users == 0) {
  1639				dev_err(be->dev, "ASoC: no users %s at close - state %d\n",
  1640					snd_pcm_direction_name(stream),
  1641					be->dpcm[stream].state);
  1642				continue;
  1643			}
  1644	
  1645			if (--be->dpcm[stream].users != 0)
  1646				continue;
  1647	
  1648			if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_OPEN) {
  1649				if (!do_hw_free)
  1650					continue;
  1651	
  1652				if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_FREE) {
  1653					__soc_pcm_hw_free(be, be_substream);
  1654					be->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_FREE;
  1655				}
  1656			}
  1657	
  1658			__soc_pcm_close(be, be_substream);
  1659			be_substream->runtime = NULL;
  1660			be->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
  1661		}
  1662	}
  1663	

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