* [PATCH v2] usb: gadget: u_audio: Subdevice 0 for capture ctls
@ 2022-01-05 10:46 Pavel Hofman
0 siblings, 0 replies; only message in thread
From: Pavel Hofman @ 2022-01-05 10:46 UTC (permalink / raw)
To: linux-usb
Cc: Pavel Hofman, Ruslan Bilovol, Felipe Balbi, John Keeping,
Greg Kroah-Hartman
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@ivitera.com>
---
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
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2022-01-05 10:46 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-05 10:46 [PATCH v2] usb: gadget: u_audio: Subdevice 0 for capture ctls Pavel Hofman
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.