[asahilinux:bits/200-dcp 200/228] drivers/gpu/drm/apple/audio.c:207:16: error: call to undeclared function 'snd_interval_rate_bits'; ISO C99 and later do not support implicit function declarations

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

tree:   https://github.com/AsahiLinux/linux bits/200-dcp
head:   8055be462c879e6a7eb5585450fd146af0c37127
commit: 933ebbe879c9436382bcb4f70572d754fb02a247 [200/228] gpu: drm: apple: Add DCP audio driver
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240716/202407160435.X1nnb6pb-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project a0c6b8aef853eedaa0980f07c0a502a5a8a9740e)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240716/202407160435.X1nnb6pb-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/202407160435.X1nnb6pb-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/apple/audio.c:16:
   In file included from include/linux/of_dma.h:14:
   In file included from include/linux/dmaengine.h:12:
   In file included from include/linux/scatterlist.h:8:
   In file included from include/linux/mm.h:2210:
   include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     508 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     509 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     515 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     516 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     522 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     527 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     528 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     536 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     537 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/apple/audio.c:207:16: error: call to undeclared function 'snd_interval_rate_bits'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     207 |         return snd_interval_rate_bits(r, hits.rates);
         |                ^
   drivers/gpu/drm/apple/audio.c:413:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
     413 |         int ret;
         |             ^
   6 warnings and 1 error generated.


vim +/snd_interval_rate_bits +207 drivers/gpu/drm/apple/audio.c

   196	
   197	static int dcpaud_rule_rate(struct snd_pcm_hw_params *params,
   198	                             struct snd_pcm_hw_rule *rule)
   199	{
   200		struct dcp_audio *dcpaud = rule->private;
   201		struct snd_interval *r = hw_param_interval(params,
   202					SNDRV_PCM_HW_PARAM_RATE);
   203		struct dcp_sound_format_mask hits;
   204	
   205	        dcpaud_consult_elements(dcpaud, params, &hits);
   206	
 > 207	        return snd_interval_rate_bits(r, hits.rates);
   208	}
   209	

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