Commit 601a5bc1 authored by Pavel Hofman's avatar Pavel Hofman Committed by Greg Kroah-Hartman
Browse files

usb: gadget: u_audio: Subdevice 0 for capture ctls 



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: 02de698c ("usb: gadget: u_audio: add bi-directional volume and mute support")
Signed-off-by: default avatarPavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20220105104643.90125-1-pavel.hofman@ivitera.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f2f69bf6

drivers/usb/gadget/function/u_audio.c

+2 −2
Original line number Diff line number Diff line
@@ -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;