diff mbox series

[4.14,147/228] ALSA: usb-audio: fix overeager device match for MacroSilicon MS2109

Message ID 20200820091614.924651070@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Aug. 20, 2020, 9:22 a.m. UTC 
From: Hector Martin <marcan@marcan.st>

commit 14a720dc1f5332f3bdf30a23a3bc549e81be974c upstream.

Matching by device matches all interfaces, which breaks the video/HID
portions of the device depending on module load order.

Fixes: e337bf19f6af ("ALSA: usb-audio: add quirk for MacroSilicon MS2109")
Cc: stable@vger.kernel.org
Signed-off-by: Hector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20200810045319.128745-1-marcan@marcan.st
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/usb/quirks-table.h |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3335,7 +3335,13 @@  AU0828_DEVICE(0x2040, 0x7270, "Hauppauge
  * with.
  */
 {
-	USB_DEVICE(0x534d, 0x2109),
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+		       USB_DEVICE_ID_MATCH_INT_CLASS |
+		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+	.idVendor = 0x534d,
+	.idProduct = 0x2109,
+	.bInterfaceClass = USB_CLASS_AUDIO,
+	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
 	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
 		.vendor_name = "MacroSilicon",
 		.product_name = "MS2109",