[PATCH] ALSA: usb-audio: Reorder snd_djm_devices entries

[Geraldo Nascimento <geraldogabriel@gmail.com>]

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@base.nu>
Signed-off-by: Geraldo Nascimento <geraldogabriel@gmail.com>

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index d489c1de3bae..d4cd880b5c6c 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -3018,9 +3018,9 @@ 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_DEVICE(900nxs2),
+	SND_DJM_DEVICE(750mk2)
 };