Re: [PATCH 08/14] ASoC: q6dsp: q6apm-dai: Add open/free compress DAI callbacks

[kernel test robot]

Hi Mohammad,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on broonie-sound/for-next]
[also build test WARNING on next-20230201]
[cannot apply to tiwai-sound/for-next tiwai-sound/for-linus linus/master v6.2-rc6]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Mohammad-Rafi-Shaik/ALSA-compress-Update-compress-set-params-for-gapless-playback/20230201-215622
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
patch link:    https://lore.kernel.org/r/20230201134947.1638197-9-quic_mohs%40quicinc.com
patch subject: [PATCH 08/14] ASoC: q6dsp: q6apm-dai: Add open/free compress DAI callbacks
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230201/202302012337.pC5Q3lLy-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/78a6016e006a8e405679fd335940ee710416c43f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Mohammad-Rafi-Shaik/ALSA-compress-Update-compress-set-params-for-gapless-playback/20230201-215622
        git checkout 78a6016e006a8e405679fd335940ee710416c43f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash sound/soc/qcom/qdsp6/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> sound/soc/qcom/qdsp6/q6apm-dai.c:135:6: warning: no previous prototype for 'event_handler_compr' [-Wmissing-prototypes]
     135 | void event_handler_compr(uint32_t opcode, uint32_t token,
         |      ^~~~~~~~~~~~~~~~~~~


vim +/event_handler_compr +135 sound/soc/qcom/qdsp6/q6apm-dai.c

   134	
 > 135	void event_handler_compr(uint32_t opcode, uint32_t token,
   136					uint32_t *payload, void *priv)
   137	{
   138		struct q6apm_dai_rtd *prtd = priv;
   139		struct snd_compr_stream *substream = prtd->cstream;
   140		unsigned long flags;
   141		uint32_t wflags = 0;
   142		uint64_t avail;
   143		uint32_t bytes_written, bytes_to_write;
   144		bool is_last_buffer = false;
   145	
   146		switch (opcode) {
   147		case APM_CLIENT_EVENT_CMD_EOS_DONE:
   148			spin_lock_irqsave(&prtd->lock, flags);
   149			if (prtd->notify_on_drain) {
   150				snd_compr_drain_notify(prtd->cstream);
   151				prtd->notify_on_drain = false;
   152			} else {
   153				prtd->state = Q6APM_STREAM_STOPPED;
   154			}
   155			spin_unlock_irqrestore(&prtd->lock, flags);
   156			break;
   157		case APM_CLIENT_EVENT_DATA_WRITE_DONE:
   158			spin_lock_irqsave(&prtd->lock, flags);
   159			bytes_written = token >> APM_WRITE_TOKEN_LEN_SHIFT;
   160			prtd->copied_total += bytes_written;
   161			snd_compr_fragment_elapsed(substream);
   162	
   163			if (prtd->state != Q6APM_STREAM_RUNNING) {
   164				spin_unlock_irqrestore(&prtd->lock, flags);
   165				break;
   166			}
   167	
   168			avail = prtd->bytes_received - prtd->bytes_sent;
   169	
   170			if (avail > prtd->pcm_count) {
   171				bytes_to_write = prtd->pcm_count;
   172			} else {
   173				if (substream->partial_drain || prtd->notify_on_drain)
   174					is_last_buffer = true;
   175				bytes_to_write = avail;
   176			}
   177	
   178			if (bytes_to_write) {
   179				if (substream->partial_drain && is_last_buffer)
   180					wflags |= APM_LAST_BUFFER_FLAG;
   181	
   182				q6apm_write_async_compr(prtd->graph,
   183							bytes_to_write, 0, 0, wflags);
   184	
   185				prtd->bytes_sent += bytes_to_write;
   186	
   187				if (prtd->notify_on_drain && is_last_buffer)
   188					audioreach_shared_memory_send_eos(prtd->graph);
   189			}
   190	
   191			spin_unlock_irqrestore(&prtd->lock, flags);
   192			break;
   193		default:
   194			break;
   195		}
   196	}
   197	

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https://github.com/intel/lkp-tests