ALSA: usb-audio: Add a quirk for Nura's first gen headset

	}

},

{

	/*

	 * Nura's first gen headphones use Cambridge Silicon Radio's vendor

	 * ID, but it looks like the product ID actually is only for Nura.

	 * The capture interface does not work at all (even on Windows),

	 * and only the 48 kHz sample rate works for the playback interface.

	 */

	USB_DEVICE(0x0a12, 0x1243),

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

		.ifnum = QUIRK_ANY_INTERFACE,

		.type = QUIRK_COMPOSITE,

		.data = (const struct snd_usb_audio_quirk[]) {

			{

				.ifnum = 0,

				.type = QUIRK_AUDIO_STANDARD_MIXER,

			},

			/* Capture */

			{

				.ifnum = 1,

				.type = QUIRK_IGNORE_INTERFACE,

			},

			/* Playback */

			{

				.ifnum = 2,

				.type = QUIRK_AUDIO_FIXED_ENDPOINT,

				.data = &(const struct audioformat) {

					.formats = SNDRV_PCM_FMTBIT_S16_LE,

					.channels = 2,

					.iface = 2,

					.altsetting = 1,

					.altset_idx = 1,

					.attributes = UAC_EP_CS_ATTR_FILL_MAX |

						UAC_EP_CS_ATTR_SAMPLE_RATE,

					.endpoint = 0x03,

					.ep_attr = USB_ENDPOINT_XFER_ISOC,

					.rates = SNDRV_PCM_RATE_48000,

					.rate_min = 48000,

					.rate_max = 48000,

					.nr_rates = 1,

					.rate_table = (unsigned int[]) {

						48000

					}

				}

			},

		}

	}

},

#undef USB_DEVICE_VENDOR_SPEC