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ALSA: usb-audio: Skip DSD quirk for Musical Fidelity M6s DAC

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Salvador reported that the recent fix for applying the DSD quirk to
Musical Fidelity devices broke for his M6s DAC model (2772:0502).

Although this is basically a firmware bug, the model in question is
fairly old, and no further firmware update can be expected, so it'd be
better to address in the driver side.

As an ad hoc workaround, skip the DSD quirk for this device by adding
an empty quirk entry of 2772:0502; this essentially skips the later
DSD quirk entry by the match with the vendor 2772.

Fixes: da3a7efff6 ("ALSA: usb-audio: Update for native DSD support quirks")
Reported-by: Salvador Blaya <tiniebla6@gmail.com>
Closes: https://lore.kernel.org/CAOdyq+qFaqCh=tK_wNnA64hv5pQuA1Y09ANxQ=xK8yR-t4mf9Q@mail.gmail.com
Tested-by: Salvador Blaya <tiniebla6@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260709095614.1418838-1-tiwai@suse.de
This commit is contained in:
Takashi Iwai
2026-07-09 11:56:06 +02:00
parent 15eab2dd63
commit 93b47e66cc
1 changed files with 2 additions and 0 deletions
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2
sound/usb/quirks.c
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@@ -2463,6 +2463,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
QUIRK_FLAG_DSD_RAW),
DEVICE_FLG(0x2708, 0x0002, /* Audient iD14 */
QUIRK_FLAG_IGNORE_CTL_ERROR),
DEVICE_FLG(0x2772, 0x0502, /* Musical Fidelity M6s DAC */
0), /* for avoiding QUIRK_FLAG_DSD_RAW with vendor match */
DEVICE_FLG(0x2912, 0x30c8, /* Audioengine D1 */
QUIRK_FLAG_GET_SAMPLE_RATE),
DEVICE_FLG(0x2a70, 0x1881, /* OnePlus Technology (Shenzhen) Co., Ltd. BE02T */