[alsa-devel] [PATCH 1/1] snd-usb-audio: Add support for Steinberg UR22 USB interface

[Clemens Ladisch]

Vlad Catoi wrote:
> Adding support for Steinberg UR22 USB interface via quirks table patch
>
> See Ubuntu bug report:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1317244
> Also see threads:
> http://linux-audio.4202.n7.nabble.com/Support-for-Steinberg-UR22-Yamaha-USB-chipset-0499-1509-tc82888.html#a82917
> http://www.steinberg.net/forums/viewtopic.php?t=62290
>
> Tested by at least 4 people judging by the threads.
> Did not test MIDI interface, but audio output and capture both are
> functional. Built 3.17 kernel with this driver on Ubuntu 14.04 & tested with mpg123
> Patch applied to 3.13 Ubuntu kernel works well enough for daily use.
>
> Signed-off-by: Vlad Catoi <vladcatoi at gmail.com>

Acked-by: Clemens Ladisch <clemens at ladisch.de>

> ---
>  sound/usb/quirks-table.h | 30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
>
> diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
> index 223c47b..c657752 100644
> --- a/sound/usb/quirks-table.h
> +++ b/sound/usb/quirks-table.h
> @@ -385,6 +385,36 @@ YAMAHA_DEVICE(0x105d, NULL),
>  	}
>  },
>  {
> +	USB_DEVICE(0x0499, 0x1509),
> +	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
> +		/* .vendor_name = "Yamaha", */
> +		/* .product_name = "Steinberg UR22", */
> +		.ifnum = QUIRK_ANY_INTERFACE,
> +		.type = QUIRK_COMPOSITE,
> +		.data = (const struct snd_usb_audio_quirk[]) {
> +			{
> +				.ifnum = 1,
> +				.type = QUIRK_AUDIO_STANDARD_INTERFACE
> +			},
> +			{
> +				.ifnum = 2,
> +				.type = QUIRK_AUDIO_STANDARD_INTERFACE
> +			},
> +			{
> +				.ifnum = 3,
> +				.type = QUIRK_MIDI_YAMAHA
> +			},
> +			{
> +				.ifnum = 4,
> +				.type = QUIRK_IGNORE_INTERFACE
> +			},
> +			{
> +				.ifnum = -1
> +			}
> +		}
> +	}
> +},
> +{
>  	USB_DEVICE(0x0499, 0x150a),
>  	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
>  		/* .vendor_name = "Yamaha", */