Both capture and playback alsa devices use subdevice 0. Yet capture-side
ctls are defined for subdevice 1. The patch sets subdevice 0 for them.
Fixes: 02de698ca812 ("usb: gadget: u_audio: add bi-directional volume and mute support")
Signed-off-by: Pavel Hofman <pavel.hofman@xxxxxxxxxxx>
---
Notes:
v2: added Fixes tag to the message
drivers/usb/gadget/function/u_audio.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c
index 4fb05f9576a6..4561d7a183ff 100644
--- a/drivers/usb/gadget/function/u_audio.c
+++ b/drivers/usb/gadget/function/u_audio.c
@@ -1147,7 +1147,7 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
}
kctl->id.device = pcm->device;
- kctl->id.subdevice = i;
+ kctl->id.subdevice = 0;
err = snd_ctl_add(card, kctl);
if (err < 0)
@@ -1170,7 +1170,7 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
}
kctl->id.device = pcm->device;
- kctl->id.subdevice = i;
+ kctl->id.subdevice = 0;
kctl->tlv.c = u_audio_volume_tlv;
--
2.25.1
