ALSA: usb-audio: Properly match with audio interface class
There are a few entries in the quirk table that set the device ID with USB_DEVICE() macro while having an extra bInterfaceClass field. But bInterfaceClass field is never checked unless the proper match_flags is set, so those may match incorrectly with all interfaces. Introduce another macro to match with the vid/pid pair and the audio class interface, and apply it to such entries, so that they can match properly. Link: https://lore.kernel.org/r/20200817082140.20232-4-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -35,6 +35,14 @@
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.bInterfaceClass = USB_CLASS_AUDIO, \
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.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL
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/* Another standard entry matching with vid/pid and the audio class */
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#define USB_AUDIO_CLASS(vend, prod) \
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.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
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USB_DEVICE_ID_MATCH_INT_CLASS, \
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.idVendor = vend, \
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.idProduct = prod, \
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.bInterfaceClass = USB_CLASS_AUDIO
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/* FTDI devices */
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{
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USB_DEVICE(0x0403, 0xb8d8),
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@ -68,34 +76,14 @@
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}
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},
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{
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/* E-Mu 0202 USB */
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.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
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.idVendor = 0x041e,
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.idProduct = 0x3f02,
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.bInterfaceClass = USB_CLASS_AUDIO,
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},
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{
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/* E-Mu 0404 USB */
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.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
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.idVendor = 0x041e,
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.idProduct = 0x3f04,
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.bInterfaceClass = USB_CLASS_AUDIO,
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},
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{
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/* E-Mu Tracker Pre */
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.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
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.idVendor = 0x041e,
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.idProduct = 0x3f0a,
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.bInterfaceClass = USB_CLASS_AUDIO,
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},
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{
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/* E-Mu 0204 USB */
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.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
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.idVendor = 0x041e,
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.idProduct = 0x3f19,
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.bInterfaceClass = USB_CLASS_AUDIO,
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},
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/* E-Mu 0202 USB */
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{ USB_AUDIO_CLASS(0x041e, 0x3f02) },
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/* E-Mu 0404 USB */
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{ USB_AUDIO_CLASS(0x041e, 0x3f04) },
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/* E-Mu Tracker Pre */
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{ USB_AUDIO_CLASS(0x041e, 0x3f0a) },
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/* E-Mu 0204 USB */
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{ USB_AUDIO_CLASS(0x041e, 0x3f19) },
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/*
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* HP Wireless Audio
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@ -2751,10 +2739,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
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},
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/* KeithMcMillen Stringport */
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{
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USB_DEVICE(0x1f38, 0x0001),
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.bInterfaceClass = USB_CLASS_AUDIO,
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},
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{ USB_AUDIO_CLASS(0x1f38, 0x0001) },
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/* Miditech devices */
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{
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@ -2977,10 +2962,7 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
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},
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{
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/* Tascam US122 MKII - playback-only support */
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.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
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.idVendor = 0x0644,
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.idProduct = 0x8021,
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.bInterfaceClass = USB_CLASS_AUDIO,
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USB_AUDIO_CLASS(0x0644, 0x8021),
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.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
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.vendor_name = "TASCAM",
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.product_name = "US122 MKII",
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@ -3612,3 +3594,4 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
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#undef USB_DEVICE_VENDOR_SPEC
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#undef USB_AUDIO_DEVICE
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#undef USB_AUDIO_CLASS
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