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It does not support S16_LE despite being a USB full-speed device. Add explicit format quirks for both the playback (interface 2) and capture (interface 3) interfaces to ensure correct format negotiation. Signed-off-by: Abhinav Mahadevan --- sound/usb/quirks-table.h | 48 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index b6dfe3b63..803e03d4d 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2652,6 +2652,54 @@ YAMAHA_DEVICE(0x7010, "UB99"), } } }, +{ + /* + * The AudioBox USB advertises S24_3LE as the only supported format + * for both playback and capture. It does not support S16_LE despite + * being a USB full-speed device. + */ + USB_DEVICE(0x194f, 0x0301), + QUIRK_DRIVER_INFO { + .vendor_name = "PreSonus", + .product_name = "AudioBox USB", + QUIRK_DATA_COMPOSITE { + { QUIRK_DATA_IGNORE(0) }, + { + QUIRK_DATA_AUDIOFORMAT(2) { + .formats = SNDRV_PCM_FMTBIT_S24_3LE, + .channels = 2, + .iface = 2, + .altsetting = 1, + .altset_idx = 1, + .attributes = 0, + .endpoint = 0x01, + .ep_attr = USB_ENDPOINT_XFER_ISOC, + .rates = SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000, + .rate_min = 44100, + .rate_max = 48000, + } + }, + { + QUIRK_DATA_AUDIOFORMAT(3) { + .formats = SNDRV_PCM_FMTBIT_S24_3LE, + .channels = 2, + .iface = 3, + .altsetting = 1, + .altset_idx = 1, + .attributes = 0, + .endpoint = 0x82, + .ep_attr = USB_ENDPOINT_XFER_ISOC, + .rates = SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000, + .rate_min = 44100, + .rate_max = 48000, + } + }, + QUIRK_COMPOSITE_END + } + } +}, #endif /* disabled */ { -- 2.43.0