On Fri, Dec 03, 2021 at 02:37:07PM +0100, Takashi Iwai wrote: > On Thu, 02 Dec 2021 21:55:51 +0100, > Geraldo Nascimento wrote: > > > > Olivia Mackintosh has posted to alsa-devel reporting that > > there's a potential bug that could break mixer quirks for Pioneer > > devices introduced by 6d27788160362a7ee6c0d317636fe4b1ddbe59a7 > > "ALSA: usb-audio: Add support for the Pioneer DJM 750MK2 > > Mixer/Soundcard". > > > > This happened because the DJM 750 MK2 was added last to the Pioneer DJM > > device table index and defined as 0x4 but was added to snd_djm_devices[] > > just after the DJM 750 (MK1) entry instead of last, after the DJM 900 > > NXS2. This escaped review. > > > > Let's reorder the entries in snd_djm_devices[] so they match the Pioneer > > DJM device table index #define's. > > > > Reported-by: Olivia Mackintosh <livvy@xxxxxxx> > > Signed-off-by: Geraldo Nascimento <geraldogabriel@xxxxxxxxx> > Hi, Takashi > Thanks the patch. My pleasure. > > The code change is OK, but better to use more explicit form in C99 > style initialization, something like below. I'll send v2 of the patch with C99-style designators as you have suggested. > > Could you check whether this works? That's the problem, I don't own any DJM mixer, someone else needs to test this. Thanks, Geraldo Nascimento > > > thanks, > > Takashi > > --- a/sound/usb/mixer_quirks.c > +++ b/sound/usb/mixer_quirks.c > @@ -3016,11 +3016,11 @@ static const struct snd_djm_ctl snd_djm_ctls_750mk2[] = { > > > static const struct snd_djm_device snd_djm_devices[] = { > - SND_DJM_DEVICE(250mk2), > - SND_DJM_DEVICE(750), > - SND_DJM_DEVICE(750mk2), > - SND_DJM_DEVICE(850), > - SND_DJM_DEVICE(900nxs2) > + [SND_DJM_250MK2_IDX] = SND_DJM_DEVICE(250mk2), > + [SND_DJM_750_IDX] = SND_DJM_DEVICE(750), > + [SND_DJM_850_IDX] = SND_DJM_DEVICE(850), > + [SND_DJM_900NXS2_IDX] = SND_DJM_DEVICE(900nxs2), > + [SND_DJM_750MK2_IDX] = SND_DJM_DEVICE(750mk2), > }; > >