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ALSA: usb-audio: US16x08: fix value count for level meters
authorHector Martin <marcan@marcan.st>
Fri, 27 Nov 2020 13:26:35 +0000 (22:26 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 8 Dec 2020 09:17:34 +0000 (10:17 +0100)
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>
sound/usb/mixer_us16x08.c patch | blob | blame | history

diff --git a/sound/usb/mixer_us16x08.c b/sound/usb/mixer_us16x08.c
index 26ed23b18b7774fd495f7ce90e51ec6dc8022e2d..7db3032e723a46f46b5d09743e80579d7b000aae 100644 (file)
--- a/sound/usb/mixer_us16x08.c
+++ b/sound/usb/mixer_us16x08.c
@@ -617,7 +617,7 @@ 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;