[PATCH 6.6 69/86] ALSA: usb-audio: fix uac2 clock source at terminal parser

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

6.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: René Rebe <rene@exactco.de>

[ Upstream commit d26e9f669cc0a6a85cf17180c09a6686db9f4002 ]

Since 8b3a087f7f65 ("ALSA: usb-audio: Unify virtual type units type to
UAC3 values") usb-audio is using UAC3_CLOCK_SOURCE instead of
bDescriptorSubtype, later refactored with e0ccdef9265 ("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: 8b3a087f7f65 ("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>
---
 sound/usb/mixer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 787cdeddbdf44..e19d962fab870 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -930,7 +930,7 @@ 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;
-- 
2.51.0