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UPSTREAM: usb: gadget: u_audio: Subdevice 0 for capture ctls

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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>
Link: https://lore.kernel.org/r/20220105104643.90125-1-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bug: 235196743
(cherry picked from commit 601a5bc1aeef772ab1f47582fd322957799f5ab5)
Change-Id: I732c6dd18d23d542814c6d9df2fb424fe256abda
Signed-off-by: Luiz Matheus <luizmmat@motorola.com>
This commit is contained in:
Pavel Hofman
2022-01-05 11:46:43 +01:00
committed by Treehugger Robot
parent c386f34bd4
commit 2500cb53e6
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/gadget/function/u_audio.c
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@@ -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;