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Commit 8f7f3ab1 authored by Alexander Schremmer's avatar Alexander Schremmer Committed by Takashi Iwai
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ALSA: usb-audio: Add support for Creative BT-D1 via usb sound quirks 



Support the Creative BT-D1 Bluetooth USB audio device. Before this
patch, Linux had trouble finding the correct USB descriptors and bailed
out with these messages:

 no or invalid class specific endpoint descriptor

Now it still prints these messages on hotplug:

 snd-usb-audio: probe of ...:1.0 failed with error -5
 snd-usb-audio: probe of ...:1.2 failed with error -5
 snd-usb-audio: probe of ...:1.3 failed with error -5

But the device works correctly, including the HID support.

The patch is diff'ed against 3.8-rc1 but should apply to older kernels
as well.

Signed-off-by: default avatarAlexander Schremmer <alex@alexanderweb.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent c86c2d44

sound/usb/quirks-table.h

+22 −0
Original line number Original line Diff line number Diff line
@@ -50,6 +50,28 @@ 
	}

	}

},

},





{

	/* Creative BT-D1 */

	USB_DEVICE(0x041e, 0x0005),

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

		.ifnum = 1,

		.type = QUIRK_AUDIO_FIXED_ENDPOINT,

		.data = &(const struct audioformat) {

			.formats = SNDRV_PCM_FMTBIT_S16_LE,

			.channels = 2,

			.iface = 1,

			.altsetting = 1,

			.altset_idx = 1,

			.endpoint = 0x03,

			.ep_attr = USB_ENDPOINT_XFER_ISOC,

			.attributes = 0,

			.rates = SNDRV_PCM_RATE_CONTINUOUS,

			.rate_min = 48000,

			.rate_max = 48000,

		}

	}

},



/* Creative/Toshiba Multimedia Center SB-0500 */

/* Creative/Toshiba Multimedia Center SB-0500 */

{

{

	USB_DEVICE(0x041e, 0x3048),

	USB_DEVICE(0x041e, 0x3048),