ALSA: usb-audio: US16x08: fix value count for level meters

commit 402d5840b0d40a2a26c8651165d29b534abb6d36 upstream.

The level meter control returns 34 integers of info. This fixes:

snd-usb-audio 3-1:1.0: control 2:0:0:Level Meter:0: access overflow

Fixes: d2bb390a2081 ("ALSA: usb-audio: Tascam US-16x08 DSP mixer quirk")
Cc: stable@vger.kernel.org
Signed-off-by: Hector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20201127132635.18947-1-marcan@marcan.st
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/usb/mixer_us16x08.c b/sound/usb/mixer_us16x08.c
index a4d4d71db55b2cce31c5607c33586629cf5ead81..bd94d7fc5bafe31af83dad464f732ba1a6c80a30 100644 (file)
--- a/sound/usb/mixer_us16x08.c
+++ b/sound/usb/mixer_us16x08.c
@@ -607,7 +607,7 @@ static int snd_us16x08_eq_put(struct snd_kcontrol *kcontrol,
 static int snd_us16x08_meter_info(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_info *uinfo)
 {
-       uinfo->count = 1;
+       uinfo->count = 34;
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
        uinfo->value.integer.max = 0x7FFF;
        uinfo->value.integer.min = 0;