[alsa-devel] [bug] Volume at maximum when track with different frequency is played with my RME sound card
Takashi Iwai
tiwai at suse.de
Fri Dec 4 15:36:02 CET 2015
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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