[alsa-devel] [PATCH v2] ALSA: usb-audio: Add MIDI support for Steinberg MI2/MI4

[Takashi Iwai]

At Wed, 1 Jul 2015 09:55:09 -0700,
Cyrus Harmon wrote:
> 
> As long as you're messing around with the quirks table, it would be nice 
> to add support for the UR44. This was discussed on the list a while back 
> and it wasn't clear why the quirk was needed, but it still seems to be 
> needed, at least last I looked.

Well, I need to know it *is* needed or *seems* needed.  In the former
case, I'd happily take the patch.  If so, please submit the patch in a
formal way (with a patch description and your sign-off).


thanks,

Takashi


> 
> thanks,
> 
> Cyrus
> 
> diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
> index 2f6d3e9..ed7875e 100644
> --- a/sound/usb/quirks-table.h
> +++ b/sound/usb/quirks-table.h
> @@ -466,6 +466,36 @@ YAMAHA_DEVICE(0x105d, NULL),
>                  }
>          }
>   },
> +{
> +       USB_DEVICE(0x0499, 0x150e),
> +       .driver_info = (unsigned long) & (const struct 
> snd_usb_audio_quirk) {
> +               /* .vendor_name = "Yamaha", */
> +               /* .product_name = "Steinberg UR44", */
> +               .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
> +                       }
> +               }
> +       }
> +},
>   YAMAHA_DEVICE(0x2000, "DGP-7"),
>   YAMAHA_DEVICE(0x2001, "DGP-5"),
>   YAMAHA_DEVICE(0x2002, NULL),
> 
> 
> On 07/01/2015 08:30 AM, Takashi Iwai wrote:
> > At Tue, 30 Jun 2015 17:41:33 +0200,
> > Dominic Sacré wrote:
> >> The Steinberg MI2 and MI4 interfaces are compatible with the USB class
> >> audio spec, but the MIDI part of the devices is reported as a vendor
> >> specific interface.
> >>
> >> This patch adds entries to quirks-table.h to recognize the MIDI
> >> endpoints. Audio functionality was already working and is unaffected by
> >> this change.
> >>
> >> Signed-off-by: Dominic Sacré <dominic.sacre at gmx.de>
> >> Signed-off-by: Albert Huitsing <albert at huitsing.nl>
> > Applied now with Clemens' ack, and Cc to stable.
> >
> >
> > thanks,
> >
> > Takashi
> >
> >> ---
> >>   sound/usb/quirks-table.h | 68 ++++++++++++++++++++++++++++++++++++++++++++++++
> >>   1 file changed, 68 insertions(+)
> >>
> >> diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
> >> index 2f6d3e9..e475665 100644
> >> --- a/sound/usb/quirks-table.h
> >> +++ b/sound/usb/quirks-table.h
> >> @@ -2512,6 +2512,74 @@ YAMAHA_DEVICE(0x7010, "UB99"),
> >>   	}
> >>   },
> >>   
> >> +/* Steinberg devices */
> >> +{
> >> +	/* Steinberg MI2 */
> >> +	USB_DEVICE_VENDOR_SPEC(0x0a4e, 0x2040),
> >> +	.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_INTERFACE
> >> +			},
> >> +			{
> >> +				.ifnum = 1,
> >> +				.type = QUIRK_AUDIO_STANDARD_INTERFACE
> >> +			},
> >> +			{
> >> +				.ifnum = 2,
> >> +				.type = QUIRK_AUDIO_STANDARD_INTERFACE
> >> +			},
> >> +			{
> >> +				.ifnum = 3,
> >> +				.type = QUIRK_MIDI_FIXED_ENDPOINT,
> >> +				.data = &(const struct snd_usb_midi_endpoint_info) {
> >> +					.out_cables = 0x0001,
> >> +					.in_cables  = 0x0001
> >> +				}
> >> +			},
> >> +			{
> >> +				.ifnum = -1
> >> +			}
> >> +		}
> >> +	}
> >> +},
> >> +{
> >> +	/* Steinberg MI4 */
> >> +	USB_DEVICE_VENDOR_SPEC(0x0a4e, 0x4040),
> >> +	.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_INTERFACE
> >> +			},
> >> +			{
> >> +				.ifnum = 1,
> >> +				.type = QUIRK_AUDIO_STANDARD_INTERFACE
> >> +			},
> >> +			{
> >> +				.ifnum = 2,
> >> +				.type = QUIRK_AUDIO_STANDARD_INTERFACE
> >> +			},
> >> +			{
> >> +				.ifnum = 3,
> >> +				.type = QUIRK_MIDI_FIXED_ENDPOINT,
> >> +				.data = &(const struct snd_usb_midi_endpoint_info) {
> >> +					.out_cables = 0x0001,
> >> +					.in_cables  = 0x0001
> >> +				}
> >> +			},
> >> +			{
> >> +				.ifnum = -1
> >> +			}
> >> +		}
> >> +	}
> >> +},
> >> +
> >>   /* TerraTec devices */
> >>   {
> >>   	USB_DEVICE_VENDOR_SPEC(0x0ccd, 0x0012),
> >> -- 
> >> 2.4.5
> >>
> >> _______________________________________________
> >> Alsa-devel mailing list
> >> Alsa-devel at alsa-project.org
> >> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> > _______________________________________________
> > Alsa-devel mailing list
> > Alsa-devel at alsa-project.org
> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> 
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel at alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel