Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.16 0393/1039] usb: gadget: u_audio: Subdevice 0 for capture ctls | Date | Mon, 24 Jan 2022 19:36:22 +0100 |
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From: Pavel Hofman <pavel.hofman@ivitera.com>
[ Upstream commit 601a5bc1aeef772ab1f47582fd322957799f5ab5 ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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 4fb05f9576a67..4561d7a183ff4 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; -- 2.34.1
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