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Commit df68f106 authored by Eldad Zack's avatar Eldad Zack Committed by Takashi Iwai
Browse files

ALSA: usb-audio: ignore-quirk for HP Wireless Audio 

As Joe Cooper <swelljoe@gmail.com> reported, "On most HP Envy laptops
the snd-usb-audio module causes the system to become unresponsive and
Gnome Shell 3 to crash.".
See also:
 http://mailman.alsa-project.org/pipermail/alsa-devel/2012-December/057729.html



Add a quirk to ignore this device (for now) to solve the instability
issue and allow other USB audio devices to be used.

Reported-by: default avatarJoe Cooper <swelljoe@gmail.com>
Tested-by: default avatarIsaac Smith <hunternet93@gmail.com>
Signed-off-by: default avatarEldad Zack <eldad@fogrefinery.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 6169b673

sound/usb/quirks-table.h

+36 −0
Original line number Diff line number Diff line
@@ -98,6 +98,42 @@ 
	.bInterfaceClass = USB_CLASS_AUDIO,

},



/*

 * HP Wireless Audio

 * When not ignored, causes instability issues for some users, forcing them to

 * blacklist the entire module.

 */

{

	USB_DEVICE(0x0424, 0xb832),

	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {

		.vendor_name = "Standard Microsystems Corp.",

		.product_name = "HP Wireless Audio",

		.ifnum = QUIRK_ANY_INTERFACE,

		.type = QUIRK_COMPOSITE,

		.data = (const struct snd_usb_audio_quirk[]) {

			/* Mixer */

			{

				.ifnum = 0,

				.type = QUIRK_IGNORE_INTERFACE,

			},

			/* Playback */

			{

				.ifnum = 1,

				.type = QUIRK_IGNORE_INTERFACE,

			},

			/* Capture */

			{

				.ifnum = 2,

				.type = QUIRK_IGNORE_INTERFACE,

			},

			/* HID Device, .ifnum = 3 */

			{

				.ifnum = -1,

			}

		}

	}

},



/*

 * Logitech QuickCam: bDeviceClass is vendor-specific, so generic interface

 * class matches do not take effect without an explicit ID match.