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puleglottiwai
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ALSA: usb-audio: Add delay quirk for MOTU M Series 2nd revision
Audio control requests that sets sampling frequency sometimes fail on this card. Adding delay between control messages eliminates that problem. Link: https://bugzilla.kernel.org/show_bug.cgi?id=217601 Cc: <[email protected]> Signed-off-by: Alexander Tsoy <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]>
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sound/usb/quirks.c

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@@ -2075,6 +2075,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
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QUIRK_FLAG_GENERIC_IMPLICIT_FB),
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DEVICE_FLG(0x0763, 0x2031, /* M-Audio Fast Track C600 */
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QUIRK_FLAG_GENERIC_IMPLICIT_FB),
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DEVICE_FLG(0x07fd, 0x000b, /* MOTU M Series 2nd hardware revision */
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QUIRK_FLAG_CTL_MSG_DELAY_1M),
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DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */
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QUIRK_FLAG_IGNORE_CTL_ERROR),
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DEVICE_FLG(0x0951, 0x16ad, /* Kingston HyperX */

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