[linux-next:master 1904/2170] sound/hda/hdac_stream.c:668: warning: Function parameter or struct member 'start' not described in 'snd_hdac_stream_timecounter_init'

[linux-next:master 1904/2170] sound/hda/hdac_stream.c:668: warning: Function parameter or struct member 'start' not described in 'snd_hdac_stream_timecounter_init'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   c02d24a5af66a9806922391493205a344749f2c4
commit: df5215618fbe425875336d3a2d31bd599ae8c401 [1904/2170] ALSA: hda: fix trigger_tstamp_latched
config: mips-mtx1_defconfig (https://download.01.org/0day-ci/archive/20241003/202410031300.ecLmATNd-lkp@intel.com/config)
compiler: mipsel-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241003/202410031300.ecLmATNd-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/202410031300.ecLmATNd-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> sound/hda/hdac_stream.c:668: warning: Function parameter or struct member 'start' not described in 'snd_hdac_stream_timecounter_init'


vim +668 sound/hda/hdac_stream.c

14752412721c61 Takashi Iwai    2015-04-14  655  
14752412721c61 Takashi Iwai    2015-04-14  656  /**
14752412721c61 Takashi Iwai    2015-04-14  657   * snd_hdac_stream_timecounter_init - initialize time counter
14752412721c61 Takashi Iwai    2015-04-14  658   * @azx_dev: HD-audio core stream (master stream)
14752412721c61 Takashi Iwai    2015-04-14  659   * @streams: bit flags of streams to set up
14752412721c61 Takashi Iwai    2015-04-14  660   *
14752412721c61 Takashi Iwai    2015-04-14  661   * Initializes the time counter of streams marked by the bit flags (each
14752412721c61 Takashi Iwai    2015-04-14  662   * bit corresponds to the stream index).
14752412721c61 Takashi Iwai    2015-04-14  663   * The trigger timestamp of PCM substream assigned to the given stream is
14752412721c61 Takashi Iwai    2015-04-14  664   * updated accordingly, too.
14752412721c61 Takashi Iwai    2015-04-14  665   */
14752412721c61 Takashi Iwai    2015-04-14  666  void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev,
df5215618fbe42 Jaroslav Kysela 2024-10-02  667  				      unsigned int streams, bool start)
14752412721c61 Takashi Iwai    2015-04-14 @668  {
14752412721c61 Takashi Iwai    2015-04-14  669  	struct hdac_bus *bus = azx_dev->bus;
14752412721c61 Takashi Iwai    2015-04-14  670  	struct snd_pcm_runtime *runtime = azx_dev->substream->runtime;
14752412721c61 Takashi Iwai    2015-04-14  671  	struct hdac_stream *s;
14752412721c61 Takashi Iwai    2015-04-14  672  	bool inited = false;
a5a1d1c2914b53 Thomas Gleixner 2016-12-21  673  	u64 cycle_last = 0;
14752412721c61 Takashi Iwai    2015-04-14  674  
df5215618fbe42 Jaroslav Kysela 2024-10-02  675  	if (!start)
df5215618fbe42 Jaroslav Kysela 2024-10-02  676  		goto skip;
df5215618fbe42 Jaroslav Kysela 2024-10-02  677  
14752412721c61 Takashi Iwai    2015-04-14  678  	list_for_each_entry(s, &bus->stream_list, list) {
26257869672fd4 Takashi Iwai    2023-11-21  679  		if ((streams & (1 << s->index))) {
14752412721c61 Takashi Iwai    2015-04-14  680  			azx_timecounter_init(s, inited, cycle_last);
14752412721c61 Takashi Iwai    2015-04-14  681  			if (!inited) {
14752412721c61 Takashi Iwai    2015-04-14  682  				inited = true;
14752412721c61 Takashi Iwai    2015-04-14  683  				cycle_last = s->tc.cycle_last;
14752412721c61 Takashi Iwai    2015-04-14  684  			}
14752412721c61 Takashi Iwai    2015-04-14  685  		}
14752412721c61 Takashi Iwai    2015-04-14  686  	}
14752412721c61 Takashi Iwai    2015-04-14  687  
df5215618fbe42 Jaroslav Kysela 2024-10-02  688  skip:
14752412721c61 Takashi Iwai    2015-04-14  689  	snd_pcm_gettime(runtime, &runtime->trigger_tstamp);
14752412721c61 Takashi Iwai    2015-04-14  690  	runtime->trigger_tstamp_latched = true;
14752412721c61 Takashi Iwai    2015-04-14  691  }
14752412721c61 Takashi Iwai    2015-04-14  692  EXPORT_SYMBOL_GPL(snd_hdac_stream_timecounter_init);
14752412721c61 Takashi Iwai    2015-04-14  693  

:::::: The code at line 668 was first introduced by commit
:::::: 14752412721c61d9ac1e8d8fb51d7148cb15f85b ALSA: hda - Add the controller helper codes to hda-core module

:::::: TO: Takashi Iwai <tiwai@suse.de>
:::::: CC: Takashi Iwai <tiwai@suse.de>

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