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ALSA: usb-audio: fix uac2 clock source at terminal parser

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[ Upstream commit d26e9f669cc0a6a85cf17180c09a6686db9f4002 ]

Since 8b3a087f7f ("ALSA: usb-audio: Unify virtual type units type to
UAC3 values") usb-audio is using UAC3_CLOCK_SOURCE instead of
bDescriptorSubtype, later refactored with e0ccdef926 ("ALSA: usb-audio:
Clean up check_input_term()") into parse_term_uac2_clock_source().

This breaks the clock source selection for at least my
1397:0003 BEHRINGER International GmbH FCA610 Pro.

Fix by using UAC2_CLOCK_SOURCE in parse_term_uac2_clock_source().

Fixes: 8b3a087f7f ("ALSA: usb-audio: Unify virtual type units type to UAC3 values")
Signed-off-by: René Rebe <rene@exactco.de>
Link: https://patch.msgid.link/20251125.154149.1121389544970412061.rene@exactco.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
René Rebe 2025-11-25 15:41:49 +01:00 • committed by Greg Kroah-Hartman
commit 52437be5aa
1 changed files with 1 additions and 1 deletions
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2
sound/usb/mixer.c
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@ -914,7 +914,7 @@ static int parse_term_uac2_clock_source(struct mixer_build *state,
{
struct uac_clock_source_descriptor *d = p1;
term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */
term->type = UAC2_CLOCK_SOURCE << 16; /* virtual type */
term->id = id;
term->name = d->iClockSource;
return 0;