[alsa-devel] ALSA Support for Roland Gaia SH-01

[Grant Diffey]

On Mon, Nov 21, 2011 at 11:24 AM, John F Leach <jfleach at jfleach.com> wrote:

> All,
>
> Can someone please help to add ALSA support for the Roland Gaia (SH-01)
> Synthesizer?
>
> http://www.rolandus.com/products/productdetails.php?ProductId=1074
>
> I started a sample patch for usbquirks.h (see below) but am not sure if
> the USB_DEVICE address is correct or what to use for the types.  What
> should the quirk table entry look like for this device?  Does quirks.c
> need a special case added?
>
> {
>        /* Roland Gaia SH-01 */
>        USB_DEVICE(0x0582, 0x0111),
>        .driver_info = (unsigned long) & (const struct
> snd_usb_audio_quirk) {
>                .vendor_name = "Roland",
>                .product_name = "Gaia",
>                .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_STANDARD_MIDI_INTERFACE,
>                                }
>                        },
>                        {
>                                .ifnum = -1
>                        }
>                }
>        }
>
>
>
> I've looked at this a little and from my poor understanding I may have
given John a red herring wrt:

>                                 .type = QUIRK_STANDARD_MIDI_INTERFACE,