[alsa-devel] [bug] Volume at maximum when track with different frequency is played with my RME sound card

Maeda maeda1 at free.fr
Fri Dec 4 16:14:56 CET 2015


OK :)

Tested-by: Sylvain LABOISNE <maeda1 at free.fr>


Le 04/12/2015 16:08, Takashi Iwai a écrit :
> On Fri, 04 Dec 2015 16:01:59 +0100,
> Maeda wrote:
>> I'm not use to do that. Do you mean adding a tags in the bug I opened
>> (https://bugzilla.kernel.org/show_bug.cgi?id=105771) ?
> Much simpler.  Just drop me a mail with the line including your
> Tested-by tag text.
>
>
> Takashi
>
>> Le 04/12/2015 15:36, Takashi Iwai a écrit :
>>> On Fri, 04 Dec 2015 15:24:44 +0100,
>>> Maeda wrote:
>>>> Last patch applied and all's right. What next ?
>>> At best, give your proper tested-by tag.  It's like
>>>
>>> Tested-by: Your Real Name <mail at address>
>>>
>>> It's included in the git commit log as your contribution.
>>> Then I'll merge the fix into the upstream.
>>>
>>>
>>> thanks,
>>>
>>> Takashi
>>>
>>>> Thanks.
>>>>
>>>> Le 04/12/2015 13:47, Takashi Iwai a écrit :
>>>>> On Fri, 04 Dec 2015 13:12:41 +0100,
>>>>> Maeda wrote:
>>>>>> I've problem with compiling rme96.c (see attachment).
>>>>>> Maybe I forgot something, i double checked, but my rme96.c seems to be good.
>>>>>>
>>>>>> Any clue ?
>>>>> You must have patched wrongly.
>>>>> You reverted the former patches, right?
>>>>>
>>>>>
>>>>> Takashi
>>>>>
>>>>>> Le 04/12/2015 12:19, Takashi Iwai a écrit :
>>>>>>> On Fri, 04 Dec 2015 11:44:02 +0100,
>>>>>>> Maeda wrote:
>>>>>>>> Hi !
>>>>>>>>
>>>>>>>> Well done ! It plays without max loud volume, and no errors on output.
>>>>>>>> I tried with the following test :
>>>>>>>>
>>>>>>>>         `aplay -fcd -d3 /dev/zero ;aplay -r96000 -c2 -d3 /dev/zero
>>>>>>>>         ;speaker-test  -c2 -twav`
>>>>>>>>
>>>>>>>> And it's OK. Then I tried with mplayer and some flac files (44.1 / 48
>>>>>>>> and 96 KHz sample) : no problem.
>>>>>>>>
>>>>>>>> I think you found the solution. If there are some future problem this
>>>>>>>> patch generates, I'll only see when using "it" each day. Then, for now,
>>>>>>>> you can commit it ;)
>>>>>>> Good to hear.  Could you try the revised patch below instead?
>>>>>>> It does restore DAC volume at the end, after the spinlock, so that we
>>>>>>> can avoid the ugly delay.
>>>>>>>
>>>>>>>
>>>>>>> thanks,
>>>>>>>
>>>>>>> Takashi
>>>>>>>
>>>>>>> ---
>>>>>>> diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
>>>>>>> index 714df906249e..e4229d01cf6a 100644
>>>>>>> --- a/sound/pci/rme96.c
>>>>>>> +++ b/sound/pci/rme96.c
>>>>>>> @@ -741,10 +741,11 @@ snd_rme96_playback_setrate(struct rme96 *rme96,
>>>>>>>      	{
>>>>>>>      		/* change to/from double-speed: reset the DAC (if available) */
>>>>>>>      		snd_rme96_reset_dac(rme96);
>>>>>>> +		return 1; /* need to restore volume */
>>>>>>>      	} else {
>>>>>>>      		writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
>>>>>>> +		return 0;
>>>>>>>      	}
>>>>>>> -	return 0;
>>>>>>>      }
>>>>>>>      
>>>>>>>      static int
>>>>>>> @@ -980,6 +981,7 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
>>>>>>>      	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
>>>>>>>      	struct snd_pcm_runtime *runtime = substream->runtime;
>>>>>>>      	int err, rate, dummy;
>>>>>>> +	bool apply_dac_volume = false;
>>>>>>>      
>>>>>>>      	runtime->dma_area = (void __force *)(rme96->iobase +
>>>>>>>      					     RME96_IO_PLAY_BUFFER);
>>>>>>> @@ -993,24 +995,24 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
>>>>>>>      	{
>>>>>>>                      /* slave clock */
>>>>>>>                      if ((int)params_rate(params) != rate) {
>>>>>>> -			spin_unlock_irq(&rme96->lock);
>>>>>>> -			return -EIO;
>>>>>>> -                }
>>>>>>> -	} else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) {
>>>>>>> -		spin_unlock_irq(&rme96->lock);
>>>>>>> -		return err;
>>>>>>> -	}
>>>>>>> -	if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) {
>>>>>>> -		spin_unlock_irq(&rme96->lock);
>>>>>>> -		return err;
>>>>>>> +			err = -EIO;
>>>>>>> +			goto error;
>>>>>>> +		}
>>>>>>> +	} else {
>>>>>>> +		err = snd_rme96_playback_setrate(rme96, params_rate(params));
>>>>>>> +		if (err < 0)
>>>>>>> +			goto error;
>>>>>>> +		apply_dac_volume = err > 0; /* need to restore volume later? */
>>>>>>>      	}
>>>>>>> +	if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0)
>>>>>>> +		goto error;
>>>>>>>      	snd_rme96_setframelog(rme96, params_channels(params), 1);
>>>>>>>      	if (rme96->capture_periodsize != 0) {
>>>>>>>      		if (params_period_size(params) << rme96->playback_frlog !=
>>>>>>>      		    rme96->capture_periodsize)
>>>>>>>      		{
>>>>>>> -			spin_unlock_irq(&rme96->lock);
>>>>>>> -			return -EBUSY;
>>>>>>> +			err = -EBUSY;
>>>>>>> +			goto error;
>>>>>>>      		}
>>>>>>>      	}
>>>>>>>      	rme96->playback_periodsize =
>>>>>>> @@ -1022,8 +1024,15 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
>>>>>>>      		writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
>>>>>>>      	}
>>>>>>>      	spin_unlock_irq(&rme96->lock);
>>>>>>> +	err = 0;
>>>>>>>      		
>>>>>>> -	return 0;
>>>>>>> + error:
>>>>>>> +	if (apply_dac_volume) {
>>>>>>> +		usleep_range(3000, 10000);
>>>>>>> +		snd_rme96_apply_dac_volume(rme96);
>>>>>>> +	}
>>>>>>> +
>>>>>>> +	return err;
>>>>>>>      }
>>>>>>>      
>>>>>>>      static int
>>>>>>      CC [M]  sound/pci/rme96.o
>>>>>> sound/pci/rme96.c: Dans la fonction ‘snd_rme96_playback_hw_params’:
>>>>>> sound/pci/rme96.c:1008:3: erreur: label ‘error’ used but not defined
>>>>>>       goto error;
>>>>>>       ^
>>>>>> sound/pci/rme96.c:1009:2: attention : « return » manquant dans une fonction devant retourner une valeur [-Wreturn-type]
>>>>>>      }
>>>>>>      ^
>>>>>> sound/pci/rme96.c: Hors de toute fonction :
>>>>>> sound/pci/rme96.c:1010:46: erreur: expected ‘)’ before ‘(’ token
>>>>>>      snd_rme96_setframelog(rme96, params_channels(params), 1);
>>>>>>                                                  ^
>>>>>> sound/pci/rme96.c:1011:2: erreur: expected identifier or ‘(’ before ‘if’
>>>>>>      if (rme96->capture_periodsize != 0) {
>>>>>>      ^
>>>>>> sound/pci/rme96.c:1019:7: erreur: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘->’ token
>>>>>>      rme96->playback_periodsize =
>>>>>>           ^
>>>>>> sound/pci/rme96.c:1021:46: erreur: expected ‘)’ before ‘->’ token
>>>>>>      snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
>>>>>>                                                  ^
>>>>>> sound/pci/rme96.c:1023:2: erreur: expected identifier or ‘(’ before ‘if’
>>>>>>      if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
>>>>>>      ^
>>>>>> sound/pci/rme96.c:1027:18: erreur: expected declaration specifiers or ‘...’ before ‘&’ token
>>>>>>      spin_unlock_irq(&rme96->lock);
>>>>>>                      ^
>>>>>> sound/pci/rme96.c:1028:2: attention : la définition de données n'a pas de type ni de classe de stockage
>>>>>>      err = 0;
>>>>>>      ^
>>>>>> sound/pci/rme96.c:1028:2: erreur: type defaults to ‘int’ in declaration of ‘err’ [-Werror=implicit-int]
>>>>>> sound/pci/rme96.c:1029:7: erreur: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘:’ token
>>>>>>      error:
>>>>>>           ^
>>>>>> sound/pci/rme96.c:1035:2: erreur: expected identifier or ‘(’ before ‘return’
>>>>>>      return err;
>>>>>>      ^
>>>>>> sound/pci/rme96.c:1036:1: erreur: expected identifier or ‘(’ before ‘}’ token
>>>>>>     }



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